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4-224

Disassembly/Assembly > Controller System > Removing the Paper Leading Edge Sensor PCB (MF4780w/MF4770n/MF4750/MF4730) > Proce

d

ure

Disassembly/Assembly > Controller System > Removing the Paper Leading Edge Sensor PCB (MF4780w/MF4770n/MF4750/MF4730) > Proce

d

ure

6)Remove the paper leading edge sensor PCB[1]
•  2 claws[2]

x2

[1]

[2]

[2]

Note:
The below picture shows how to wind the harness.

F-4-587

F-4-586

Removing the Fixing Delivery/Paper Width Sensor PCB 
(MF4780w/MF4770n/MF4750/MF4730)

 

■

Preparation

1) Remove the left cover
2)Remove the SADF unit and reader unit.
3)Remove the right cover
4)Remove the front cover unit.
5)Remove the upper cover.
6)Remove the duplex feed unit.
7)Remove the main controller PCB
8)Remove the FAX NCU PCB.(MF4780w/MF4770n/MF4750)
9)Remove the wireless LAN PCB.(MF4780w)

 

■

Proce

d

ure

(MF4730)
1)Remove the main controller mounting plate[1]
•  1 screw(with washer)[2]
•  1 screw(black TP)[3]

x2

[1]

[2]

[3]

(MF4780w/MF4770n/MF4750)
1)Remove the main controller mounting plate[1]
•  4 screws(with washer)[2]
•  2 screws(black TP)[3]

F-4-588

Содержание FAXPHONE L190

Страница 1: ...l imageCLASS MF4890dw MF4880dw MF4770n imageCLASS D530 FAXPHONE L190 Troubleshooting July 13 2012 Revision 0 Product Overview Technical Overview Periodical Services Disassembly Assembly Adjustment Error Codes Service Mode Appendix ...

Страница 2: ...information as the need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies...

Страница 3: ...switch closing the front door and closing the delivery unit door which results in supplying the machine with power 2 In the digital circuits 1 is used to indicate that the voltage level of a given signal is High while 0 is used to indicate Low The voltage value however differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically a...

Страница 4: ...on 1 12 DADF 1 12 SADF 1 12 READER 1 13 Printer 1 13 Printer 1 14 Control Panel 1 14 MF4890dw MF4880dw MF4830d MF4820d 1 14 MF4780w MF4770n MF4750 MF4730 MF4720 MF4712 MF4710 1 16 D530 1 17 L418S L410 L190 1 18 2 Technical Overview Basic Configuration 2 2 Configuration function 2 2 Basic Sequence 2 2 Basic Sequence of Operation 2 2 Print Sequence 2 3 Controller System 2 4 Main Controller 2 4 Gener...

Страница 5: ...20 Toner Cartridge Absence Presence Detection 2 21 Service Works 2 21 At parts replacement 2 21 Maintenance 2 21 Notes on service works 2 21 Fixing System 2 22 Overview Configuration 2 22 Overview 2 22 Main Parts of Fixing assembly 2 22 Various Control Mechanisms 2 23 Fixing Temperature Control 2 23 Protective Functions 2 23 Other Functions 2 24 Throughput Down Control 2 24 Service Works 2 25 At p...

Страница 6: ...Unit MF4890dw 4880dw 4 18 Preparation 4 18 Procedure 4 18 Removing the Upper Cover MF4890dw 4880dw 4 18 Preparation 4 18 Procedure 4 18 Removing the Left Cover MF4870dn MF4830d 4 20 Procedure 4 20 Removing the Right Cover MF4870dn MF4830d 4 21 Procedure 4 21 Removing the Front Cover Unit MF4870dn MF4830d 4 22 Preparation 4 22 Procedure 4 22 Removing the Upper Cover MF4870dn MF4830d 4 22 Preparatio...

Страница 7: ...ing the DADF Unit MF4890dw MF4880dw 4 45 Preparation 4 45 Procedure 4 45 Removing the DADF Pickup Unit MF4890dw MF4880dw 4 47 Preparation 4 47 Procedure 4 47 Removing the DADF Motor Unit MF4890dw MF4880dw 4 50 Preparation 4 50 Procedure 4 50 Removing the DADF Solenoid Unit MF4890dw MF4880dw 4 51 Preparation 4 51 Procedure 4 51 Removing the DADF Pickup Roller Unit MF4890dw MF4880dw 4 52 Preparation...

Страница 8: ... D530 4 87 Preparation 4 87 Procedure 4 87 Removing the Flatbed Motor Unit D530 4 88 Preparation 4 88 Procedure 4 88 Removing the CIS Unit D530 4 90 Preparation 4 90 Procedure 4 90 Removing the SADF Unit and Reader Unit MF4780w MF4770n MF4750 MF4730 4 92 Preparation 4 92 Procedure 4 92 Removing the SADF Unit MF4780w MF4770n MF4750 MF4730 4 93 Preparation 4 93 Procedure 4 93 Removing the SADF Picku...

Страница 9: ...oving the DADF Separation Pad L418S L410 L190 4 126 Preparation 4 126 Procedure 4 126 Removing the Copyboard Glass L418S L410 L190 4 128 Preparation 4 128 Procedure 4 128 Removing the Flatbed Motor Unit L418S L410 L190 4 130 Preparation 4 130 Procedure 4 130 Removing the DADF CIS Unit L418S L410 L190 4 132 Preparation 4 132 Procedure 4 132 Controller System 4 134 Removing the Control Panel Unit MF...

Страница 10: ...tion 4 167 Procdeure 4 167 Removing the Fixing Delivery Paper Width Sensor PCB MF4870dn MF4830d 4 169 Preparation 4 169 Procedure 4 169 Removing the Toner Sensor and Multi Pickup Sensor Unit MF4870dn 4 172 Preparation 4 172 Procedure 4 172 Removing the Speaker MF4870dn 4 174 Preparation 4 174 Procedure 4 174 Removing the Control Panel Unit MF4820d 4 175 Procedure 4 175 Removing the Drive Belt MF48...

Страница 11: ...n Controller PCB MF4780w MF4770n MF4750 MF4730 4 220 Preparation 4 220 Procedure 4 220 Removing the FAX NCU PCB MF4780w MF4770n MF4750 4 221 Preparation 4 221 Procedure 4 221 Removing the Wireless LAN PCB MF4780w 4 221 Preparation 4 221 Procedure 4 221 Removing the Paper Leading Edge Sensor PCB MF4780w MF4770n MF4750 MF4730 4 222 Preparation 4 222 Procedure 4 222 Preparation 4 224 Procedure 4 224 ...

Страница 12: ...60 Procedure 4 260 Removing the Fixing Delivery Paper Width Sensor PCB L418S L410 L190 4 262 Preparation 4 262 Procedure 4 262 Removing the Toner Sensor and Multi Pickup Sensor Unit L418S L410 L190 4 265 Preparation 4 265 Procedure 4 265 Removing the Speaker L418S L410 L190 4 267 Preparation 4 267 Procedure 4 267 Laser Exposure System 4 268 Removing the Laser Scanner Unit MF4890dn MF4880dw 4 268 P...

Страница 13: ...ding System 4 311 Removing the Pickup Unit MF4890dw MF4880dw 4 311 Preparation 4 311 Procedure 4 311 Removing the Pickup Tray Unit MF4890dw MF4880dw 4 314 Preparation 4 314 Procedure 4 314 Removing the Pickup Roller MF4890dw MF4880dw 4 316 Preparation 4 316 Procedure 4 316 Removing the Pickup Solenoid MF4890dw MF4880dw 4 317 Preparation 4 317 Procedure 4 317 Removing the Separation Pad MF4890dw MF...

Страница 14: ...4 358 Procedure 4 358 Removing the Duplex Solenoid D530 4 359 Preparation 4 359 Procedure 4 359 Removing the Pickup Unit MF4780w MF4770n MF4750 MF4730 4 362 Preparation 4 362 Procedure 4 362 Removing the Pickup Tray Unit MF4780w MF4770n MF4750 MF4730 4 365 Preparation 4 365 Procedure 4 365 Removing the Pickup Roller MF4780w MF4770n MF4750 MF4730 4 367 Preparation 4 367 Procedure 4 367 Removing the...

Страница 15: ... Troubleshooting Test Print 6 2 Test Print Function 6 2 Troubleshooting Items 6 3 Image Faults 6 3 Smudged Streaked 6 3 Version Upgrade 6 4 Overview 6 4 Preparation 6 4 System Requirements 6 4 Preparation 6 5 Downloading System Software 6 5 Log Collector 6 7 OutLine 6 7 Scope of Application 6 7 What to Prepare 6 7 Operation Procedure 6 7 Troubleshooting 6 8 7 Error Codes Overview 7 2 Error Codes 7...

Страница 16: ...PBX DIAL TONE 8 14 PBX BUSY TONE 8 14 TESTMODE 8 15 SYSTEM 8 15 DRAM 8 15 SPEAKER 8 15 SCAN 8 15 ADJUST 8 15 SENSOR 8 15 ADFTEST 8 16 BOOKFEED 8 16 FAX 8 16 MODEM 8 16 FACULTY 8 17 PANEL 8 17 NETWORK 8 17 SSSW 8 17 Appendix Service Tools 9 2 Solvent Oil List 9 3 General Circuit Diagram 9 4 MF4890dw MF4880dw MF4870dn 9 4 MF4830d MF4820d 9 5 MF4780w MF4770n MF4750 9 6 MF4730 9 7 MF4720w MF4712 MF471...

Страница 17: ... CDRH Provisions Laser Safety Toner Safety Notes on Handling Lithium Battery Notes on Assembly Disassembly Safety Precautions ...

Страница 18: ...w to follow the labeling requirements prescribed in CDRH provisions Note that the wording included in labels is different depending on laser product classifications F 0 1 Laser Safety About Laser Beams Laser radiation may be hazardous to human The laser scanner unit mounted in this device is sealed in the protective housing and the external cover to prevent laser beams from leaking to the environm...

Страница 19: ...Lithium Battery Replacing with wrong battery types may cause explosion Follow instructions to dispose used batteries properly Notes on Assembly Disassembly Follow the items below to assemble disassemble the device 1 Disconnect the power plug to avoid any potential dangers during assembling disassembling works 2 If not specially instructed reverse the order of disassembly to reinstall 3 Ensure to u...

Страница 20: ...1 1 Product Overview Product Overview Product Lineups Features Product Specifications Name of Parts ...

Страница 21: ...SADF Design ADF DADF Yes SADF Yes Yes Yes PLATEN Engine 2 Sided Yes Yes Yes Yes 1 Sided LAN port Yes Yes Yes Wireless LAN Yes Yes FAX Yes Yes Yes T 1 1 Model MF4820d Config 3in1 PLATEN Design ADF DADF SADF PLATEN Yes Engine 2 Sided Yes 1 Sided LAN port Wireless LAN FAX Model D530 MF4780w MF4770n MF4750 MF4730 Config 3in1 PLATEN 4in1 SADF WN MF4780w 4in1 SADF N MF4770n 4in1 SADF MF4750 3in1 SADF MF...

Страница 22: ...Yes PLATEN Yes Engine 2 Sided Yes 1 Sided Yes LAN port Yes MF4780w MF4770n MF4750 Wireless LAN Yes MF4780w FAX Yes MF4780w MF4770n MF4750 Model MF4720w MF4712 MF4710 L418S L410 L190 Config 3in1 PLATEN 4in1 DADF Design ADF DADF Yes SADF Yes PLATEN Engine 2 Sided Yes 1 Sided Yes LAN port Wireless LAN FAX Yes T 1 3 T 1 4 Options Hand Set Only FAX Model ...

Страница 23: ...ight source LED RGB Image scanning CIS color Photoreceptor OPC drum φ24 Light exposure method Laser beam exposure semiconductor laser Charging method Roller charging Developing method Toner projection developing method Transfer method Direct transfer to transfer member Separation method Curvature separation Paper feed method Pickup Tray Semilunar shaped Pickup Roller Pad separation method pressure...

Страница 24: ...pacity of Multi purpose Tray 1 sheet Output tray stacking capacity About 100 sheets 60 to 80 g m2 Allowable environmental temperature 10 30 deg C Allowable humidity 20 80 Duplex method Yes Interface Standard Hi Speed USB USB Option none Hard Disk Standard none Option none Memory 4MB MF4890dw MF4880dw MF4870dn MF4830d MF4820d Ｄ 530 MF4780w MF4770n MF4750 MF4730 MF4720w MF4712 MF4710 8MB L418S L410 ...

Страница 25: ...y DADF Ssize 50 Sheets Lsize 10 Sheets SADF Ssize 35 Sheets Lsize 10 Sheets Mixed paper reading None Document AE sensor None Document size sensor None Stamp function None Document feed speed at reading 100 129 34 mm s DADF 113 38 mm s SADF Document processing speed At A4 LTR 1 sided constant speed 22 ipm sheets min DADF 20 ipm sheets min SADF T 1 6 T 1 7 FAX Specifications MF4890dw MF4880dw MF4870...

Страница 26: ...p Address book dialing Regular dialing with numeric keys Automatic redialing Manual redialing Sequential broadcast 250 destinations Receiving Automatic reception Remote reception by telephone Default ID 25 Reports TX Results Communication management report Auto output every 40 destinations RX Results 1 The Public Switched Telephone Network PSTN currently supports 28 8 Kbps modem speed or lower Not...

Страница 27: ...ar Cover 7 Right Cover F 1 2 MF4870dn MF4830d MF4780w MF4770n MF4750 MF4730 Front Side 1 15 2 3 14 13 13 16 17 18 6 5 11 12 24 23 25 19 4 7 8 9 21 20 10 22 No Name No Name 1 SADF Rear Cover 14 Trailing Edge Paper Guides 2 Side Guide Plate Rear 15 Pickup Tray 3 Original Feed Tray 16 Left Cover 4 Side Guide Plate Front 17 SADF Front Cover 5 Original Feed Auxiliary Extension Tray 18 SADF Upper Cover ...

Страница 28: ...wer Supply Cord Slot 6 Rear Cover 7 Right Cover F 1 4 MF4820d MF4720w MF4712 MF4710 Front Side 1 2 4 3 5 6 9 8 7 7 16 15 17 11 13 12 10 14 No Name No Name 1 Copyboard Cover 10 Left Cover 2 Control Panel Unit 11 Copyboard Glass 3 Delivery Tray 12 Delivery Stopper 4 Multi Purpose Tray Paper Guides 13 Delivery Auxiliary Tray 5 Multi Purpose Tray 14 Upper Cover 6 Tray Cover 15 Power Switch 7 Pickup Tr...

Страница 29: ...Cover 4 Right Cover F 1 6 D530 Front Side 1 2 3 6 6 7 8 4 5 9 10 13 14 15 16 12 11 No Name No Name 1 Copyboard Cover 9 Left Cover 2 Control Panel Unit 10 Copyboard Glass 3 Delivery Tray 11 Delivery Auxiliary Tray 4 Front Under Cover 12 Delivery Stopper 5 Paper Level Display 13 Upper Cover 6 Pickup Tray Paper Guides 14 Power Switch 7 Trailing Edge Paper Guides 15 Front Cover Switch 8 Pickup Tray 16...

Страница 30: ... 15 5 4 10 10 3 6 7 8 9 16 19 20 21 22 No Name No Name 1 DADF Rear Cover 14 DADF Front Cover 2 Side Guide Plate Rear 15 DADF Upper Cover 3 Side Guide Plate Front 16 Copyboard Glass 4 Original Feed Tray 17 Delivery Stopper 5 Original Delivery Tray 18 Delivery Auxiliary Tray 6 Control Panel Unit 19 Upper Cover 7 Delivery Tray 20 Power Switch 8 Front Under Cover 21 Front Cover Switch 9 Paper Level Di...

Страница 31: ...o Name 1 USB Device Port 2 LAN Port 3 External Device Jack 4 Telephone Line Jack 5 Power Supply Cord Slot 6 Rear Cover 7 Right Cover F 1 10 Cross Section DADF 1 2 3 4 5 No Name 1 Registration roller 2 Pickup roller 3 Separation pad 4 Delivery roller 5 Separation roller SADF 2 3 4 1 No Name 1 Registration roller 2 Pickup roller 3 Separation pad 4 Delivery roller F 1 11 F 1 12 ...

Страница 32: ...4880dw MF4870dn MF4830d MF4820 D530 L418S L410 L190 10 1 11 2 12 3 13 4 14 5 6 7 8 9 No Name No Name 1 Duplex Feed Unit 8 Pickup Tray 2 Duplex Feed Roller 9 Multi Purpose Tray 3 Fixing Pressure Roller 10 Photosensitive Drum 4 Fixing Film Unit 11 Pickup Roller 5 Delivery Roller 12 Separation Pad 6 Fixing Assembly 13 Feed Roller 7 Laser Scanner Unit 14 Transfer Roller F 1 14 ...

Страница 33: ...MF4780w MF4770n MF4750 MF4730 MF4720w MF4712 MF4710 10 1 11 2 12 3 4 5 6 7 8 9 No Name No Name 1 Fixing Pressure Roller 7 Multi Purpose Tray 2 Fixing Film Unit 8 Photosensitive Drum 3 Delivery Roller 9 Pickup Roller 4 Fixing Assembly 10 Separation Pad 5 Laser Scanner Unit 11 Feed Roller 6 Pickup Tray 12 Transfer Roller F 1 15 Control Panel MF4890dw MF4880dw MF4830d MF4820d F 1 16 ...

Страница 34: ...reset the settings key Press to scroll up or to increase the value key Press to scroll down or to decrease the value key Press to return to the previous screen or move the cursor to the left Press to decrease the volume while the fax ring tone sounds key Press to proceed to the next screen or move the cursor to the right Press to increase the volume while the fax ring tone sounds OK key Press to c...

Страница 35: ...normal operation displays messages and prompts When adjusting the settings displays your selections text and numbers 4 Back key Press to return to the previous screen Reset key Press to reset the settings key Press to scroll up or to increase the value key Press to scroll down or to decrease the value key Press to return to the previous screen or move the cursor to the left Press to decrease the v...

Страница 36: ... Panel D530 8 Scan PC1 key Scan PC2 key Press to send the scanned documents to the registered computer for each key Scan PC1 key Scan PC2 key Paper Save Copy key Press to copy with a preset setting to save paper Paper Save Copy key The function may not be available depending on model T 1 11 D530 F 1 18 ...

Страница 37: ...n displays messages and prompts When adjusting the settings displays your selections text and numbers Reset key Resets the settings Back key Press to return to the previous screen 6 key Press to scroll up or to increase the value key Press to scroll down or to decrease the value key Press to return to the previous screen or move the cursor to the left key Press to proceed to the next screen or mov...

Страница 38: ...cify or register various settings Report key Press to manually print reports and lists You can also specify whether to report automatically Image Quality key Press to select the image quality for copy or the scanning resolution for the sending document 2 Sided key Press to print on both sides of paper Numeric keys 0 9 Press to enter characters and numbers key Press to switch the character entry mo...

Страница 39: ...l Overview Technical Overview Basic Configuration Controller System Document Exposure Feeder System Laser Exposure System Image Formation System Fixing System Pickup And Feeding System External And Controls System ...

Страница 40: ...Purpose Remarks WAIT Wait From power ON until initial drive for main motor is completed To clear potential from the drum surface and to clean the transfer roller Also to bring the heater temperature up to the targeted temperature Detect whether the Toner cartridge is installed or not STBY Standby From the end of the WAIT period or the LSTR period until the print command is sent from the main contr...

Страница 41: ...Masking emission Masking emission 1 3 Print temperature control Print command Print command Waiting for a print command 0 5 1 1 0 1 0 8 Max 4 1 1 1 Cleaning bias Cleaning bias Print bias Cleaning bias BD emission Forcible emission Controls at 80 C Relay 1 Print command Scanner motor Laser diode Main motor Pickup solenoid Leading edge sensor Fixing delivery sensor Primary charging bias DC Developin...

Страница 42: ... CONVERTER FAX MODEM F 2 3 Engine Controller General description Engine controller is the circuit to control the operation sequence of the host machine and it is controlled by the CPU inside the engine controller When the power is turned ON and DC power is supplied through the low voltage power inside engine controller CPU starts the printer operation control Then CPU drives the loads such as lase...

Страница 43: ...ical Overview Controller System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 44: ...l change of carriage shift speed image processing by Main controller PCB lens rod lens array CMOS sensor number of lines 1 line number of pixels 5148 pixels as total pixels 5107 pixels as effective pixels maximum document scanning width 216 mm CS drive control drive control by Reader motor document size detection none T 2 2 Major Components Followings are the major components for Document Exposure...

Страница 45: ... through the copyboard glass and then delivered face down to the original delivery assembly Main 1 2 3 4 A0 A0 B0 B0 J12 SADF Motor F 2 6 DADF Pickup Feed Delivery Operation The Double side Auto Document Feeder DADF mounted onto this host machine is dedicated to stream reading 1 motor DADF motor is engaged in pickup feeding delivery At the start of copy fax scan the DADF motor is driven by the dri...

Страница 46: ... of the Original Detected by the DES Document End Sensor The leading edge of the original that is fed pushes up the actuator activating the DES light shielded light transmitted and resulting in detection of the reach of the leading edge of original Furthermore when the trailing edge of the original passes the actuator position the actuator returns to the original position inactivating the DES ligh...

Страница 47: ...m 1 In case of delay in reaching DS DES or stationary during scanning of original 2 In case DS DES is detected as ON at power on residual paper jam 3 In case of detecting original of which length is 400 mm or longer Operation after Detection of Jam The host machine stops scanning operation and displays CHECK DOCUMENT on the control panel No jam code is displayed In case of the model equipped with ...

Страница 48: ...nical Overview Document Exposure Feeder System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 49: ...arts to rotate the Engine controller emits the laser forcibly using the Laser control signal causing the Engine controller to start rotation control for the Scanner motor 3 The Engine controller controls to keep a constant speed of rotation of the Scanner motor using the Scanner motor speed control signal 4 After the rotation speed of the Scanner motor reaches its target the Main controller sends ...

Страница 50: ...on The laser driver IC executes laser control according to the combination of the CNT0 CNT1 CNT2 signals The following is the combination of the laser control signal CNT0 CNT1 CNT2 Operation mode CNT0 CNT1 CNT2 Details Standby L L L Laser control OFF Print H H H Can emit the laser according to the video signal LD1 forced ON L H L LD1 forcibly turned ON LD2 forced ON H L L LD2 forcibly turned ON LD...

Страница 51: ... the laser driver emits LD2 forcibly The laser driver adjusts the LD2 laser intensity as in the case of LD1 and saves the adjusted laser intensity to the capacitor C18 1 Initial APC APC that is executed during initial rotation APC adjusts laser intensity and detects faults in the laser 2 Line space APC APC that is executed during printing Laser intensity for one line is adjusted before writing one...

Страница 52: ...t machine are stopped 1 Fault in BD input At startup of the scanner BDI signal cannot be detected within 0 1 sec from the completion of forced acceleration of the scanner motor 2 Fault in startup During activating the scanner motor at startup of the scanner the motor rotation exceeds the specified range 98 3 to 101 7 3 Fault in control After startup of the scanner completes correctly BDI signal ex...

Страница 53: ... supply VIDEO signal Main controller CPU Laser scanner unit Laser beam Fixing Film Pressure roller Transfer roller F 2 16 Print Process This explains the basic process of the operations that a printer executes for image formation The print process of this equipment is divided largely into 5 blocks 7 steps Toner images are formed on papers by executing the steps of each block in order The following...

Страница 54: ...posure step 2 Transfer step 4 Primary charging step 1 Primary charging step 1 Exposed area Unexposed area Step 1 Primary charging For preparation of latent image formation the surface of photosensitive drum is charged with even negative potential In this primary charging the charge is applied from the primary charging roller directly to the photosensitive drum DC bias is applied to the primary cha...

Страница 55: ...e developing blade An area on the photosensitive drum exposed with laser beam has higher potential than the developing cylinder the potential difference between the drum surface and the cylinder enables the toner to jump on the drum surface and makes them visible images AC bias superimposed with the development DC negative bias is applied to the developing cylinder Blade Developing cylinder AC bia...

Страница 56: ...r roller Static charge eliminator Photosensitive drum Fixing Block This block applies pressure and heat to papers and the toner on them to fix toner images to the papers Step 6 Fixing This step employs on demand fixing that fixes toner images transferred to papers on the papers Fixing heater Fixing film Toner Media Pressure roller F 2 23 F 2 24 Drum Cleaning Block The drum cleaning block removes t...

Страница 57: ... is a DC negative bias that is output to affix toner to the static latent images formed on the photosensitive drum This bias is a development DC and AC superimposed bias and generated by the development high voltage generating circuit in the high voltage power supply circuit The high voltage power supply circuit applies the generated developing bias to the developing cylinder at a specified timing...

Страница 58: ...itions of sampling and remaining toner level judgment are the same as those mentioned above However in the case that toner Low is detected even at once during warm up rotation sequence toner Low is remained to be displayed MF4830d MF4820d D530 MF4730 MF4720w MF4712 MF4710 This equipment has no function of toner level detection Specification of Toner level display Toner level can be checked by pres...

Страница 59: ...ing H it is judged that the Toner cartridge is present Engine controller PS751 L Toner cartridge detection flag Leading edge sensor detection flag PS751 PS751 H Toner cartridge Yes Toner cartridge No The leading edge sensor performs both this detection and paper feed detection Therefore the engine controller cannot make a judgment of Toner cartridge absent or jam occurrence when jam occurs The eng...

Страница 60: ...S701 and the paper width sensor PS702 and then delivered to the delivery tray by the delivery roller M1 SL2 PS701 PS702 1 2 3 1 Delivery Roller 2 Fixing Film Unit 3 Fixing Pressure Roller PS701 Fixing delivery sensor PS702 Paper width sensor M1 Main motor F 2 28 Main Parts of Fixing assembly Engine controller FIXING HEATER DRIVE signal Fixing heater drive circuit Fixing heater safety circuit FIXIN...

Страница 61: ...f engine controller monitors the thermistor TH1 temperature consistently When TH1 reaches approx 220 deg C CPU determines that the fixing heater is overheating and stops the fixing heater drive signal FSRD output and also turns OFF relays to shut the power supply to fixing heater 2 Protection function by fixing heater safety circuit Fixing heater safety circuit monitors the thermistor TH1 temperat...

Страница 62: ...udged as frequency detection circuit error Processing after failure detection If the Main Motor is in driving state when Fixing Assembly failure is detected rotation of the motor is maintained for 300 msec after the machine moves in Fixing Assembly failure state Then drive systems Main Motor system Laser Scanner system high voltage system and fixing system are stopped immediately and the machine m...

Страница 63: ... 4 ppm 16 to 20 6 ppm 8 ppm ー 4 ppm 21 to 30 6 ppm 8 ppm ー 4 ppm 31 to 40 4 ppm 7 ppm ー 4 ppm 41 to 75 4 ppm 6 ppm ー 4 ppm From 76 4 ppm 6 ppm ー 4 ppm Number of Fed Sheets 5 6 Full speed Half speed 1 to 55 20 ppm ー 56 to 110 16 ppm ー 111 to 120 13 ppm ー 121 to 150 11 ppm 12 ppm 151 to 250 10 ppm 10 ppm From 251 8 ppm 8 ppm Service Works At parts replacement No work is required for this product at ...

Страница 64: ...tray Delivery tray Single sheet pick up tray Delivery roller Transfer roller Photosensitive drum Separation pad Fixing Pressure roller Duplex Feed roller Fixing Film PS702 PS751 Pickup roller PS701 F 2 31 Single Feed M1 SL1 Main controller Engine controller PS751 PS701 PS702 Delivery tray Delivery roller Fixing Pressure roller Multi purpose tray Single sheet pick up tray Transfer roller Photosensi...

Страница 65: ... the fixing delivery sensor PS701 the paper width sensor PS702 They detect arrival and passing of papers If a paper does not reach or pass through each sensor within a specified time the engine controller judges this status as jam and notices the jam occurrence to the main controller PS701 Fixing delivery sensor PS702 Paper width sensor PS801 Leading edge sensor M1 Main motor SL1 Pickup solenoid S...

Страница 66: ...ilm is 18 2π 57 2 mm the length of wrapping is more than one lap Considering paper looping sensor accuracy and thick paper delivery however the value cannot be made smaller F 2 34 B When there is a preceding paper 1 1165 2400 700 1400 OFF Paper Lead Edge Sensor Fixing Delivery Sensor ON OFF ON Jam paper Absence detection period When there is preceding paper at the delivery sensor PS701 700 1400 ms...

Страница 67: ...the TOP sensor PS751 is long the paper path length depends on the paper quality and the stop time at the registration shutter prepared on the path for skew correction depends on the delivered paper Delivery Delay Jam during auto delivery A delivery delay jam is determined if the Paper Lead Edge Sensor PS751 detects presence of paper and the Fixing Delivery Sensor PS701 detects absence of paper at ...

Страница 68: ...t of reversal if the delivery sensor PS701 does not detect the no paper status within 2570 5140 ms after paper detection a reverse stationary jam is determined Note This jam is determined if the delivery sensor PS701 keeps detecting sensor for the time of delivering LEGAL 30 mm Pickup Stationary Jam during auto delivery A pickup stationary jam is determined if the Paper Lead Edge Sensor PS751 dete...

Страница 69: ... is not stable due to paper springing or other Initial Paper Jam during printing An initial paper jam is determined if either the Fixing Delivery Sensor PS701 or the Paper Width Sensor PS702 detects presence of paper immediately before the Print Main Motor started its rotation Door Open Jam A door open jam is determined when printing is interrupted due to the door open detection during printing wh...

Страница 70: ...nical Overview Pickup And Feeding System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 71: ... occur due to load errors such as short circuit etc Thus when the DC power cannot be output from the low voltage circuit the protective function against overcurrent or overvoltage may be working Since the secondary SW is used as the power SW the power supply cord needs to be disconnected when fixing a trouble on the load side Also the circuit carries the 2 fuses FU201 FU202 as a preventive functio...

Страница 72: ...nical Overview External And Controls System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 73: ...3 3 Periodical Services Periodical Services Periodically Replaced Parts Consumables Periodical Service Cleaning ...

Страница 74: ...ables Consumables Periodical Services Consumables Consumables Periodically Replaced Parts Periodically Replaced Parts There is no periodically replaced part with this machine Consumables Consumables There is no consumable with this machine ...

Страница 75: ...Clean it with a dry lint free paper 3 Delivery Roller Clean it with a dry lint free paper 4 Pickup Roller Clean it with a dry lint free paper 5 Separation Pad Clean the rubber part with a lint free paper 6 Feed Roller Clean it with a dry lint free paper 7 Transfer Roller Basically do not touch it with your hands or clean it When cleaning is absolutely necessary clean with a dry lint free paper Tak...

Страница 76: ...er and wipe off the smudge with the soft dry cloth 6 ADF reading area Open the copyboard cover and wipe off the smudge with the soft dry cloth F 3 2 T 3 2 DADF 1 2 3 4 4 5 6 Cleaning parts Procedure 1 DADF Pickup Roller Unit Open the ADF and wipe off the smudge with the soft dry cloth 2 DADF Separation Pad Open the ADF and wipe off the smudge with the soft dry cloth 3 Delivery Roller Wipe off the ...

Страница 77: ...sembly Disassembly Assembly List of Parts List of Connectors External Cover Interior Document Exposure Feeder System Controller System Laser Exposure System Image Formation System Fixing System Pickup And Feeding System ...

Страница 78: ...g or transporting the machine be sure to remove the cartridge beforehand as needed However when the cartridge is removed from the machine be sure to put the Photosensitive Drum in a protective bag even in a short period of time to prevent the adverse effect of light 3 When assembling perform the disassembling procedure in reverse order unless otherwise specified 4 When assembling be sure to tighte...

Страница 79: ... of Parts Main Unit Lists of SADF Unit List of Parts Main Unit Lists of DADF Unit 1 2 3 4 No Name Reference Remarks 1 Original Sensor 2 DADF Motor 3 Original Edge Sensor 4 DADF Solenoid F 4 1 Lists of SADF Unit 1 2 3 No Name Reference Remarks 1 Original Sensor 2 Original Edge Sensor 3 SADF Motor F 4 2 ...

Страница 80: ... Disassembly Assembly List of Parts Duplex Printer Unit Lists of Motor Fan Lists of Reader Unit 1 2 No Name Reference Remarks 1 CIS Sensor 2 Reader Motor F 4 3 Duplex Printer Unit Lists of Motor Fan 1 2 3 No Name Reference Remarks 1 Main Motor 2 Main Fan Unit 3 Laser Scanner Unit F 4 4 ...

Страница 81: ...rts Duplex Printer Unit List of Sensor Lists of Solenoid 1 2 No Name Reference Remarks 1 Duplex Solenoid 2 Pickup Solenoid F 4 5 List of Sensor 1 2 3 4 5 6 No Name Reference Remarks 1 Encoder Sensor 2 Multi Pickup Sensor 3 Toner Sensor 4 Paper Leading Edge Sensor 5 Paper Width Sensor 6 Fixing Delivery Sensor F 4 6 ...

Страница 82: ...y List of Parts Duplex Printer Unit List of Heater Thermoswitch Thermistor List of Switch and Speaker 1 2 3 4 No Name Reference Remarks 1 Speaker 2 Power Switch 3 Speaker L418S L410 L190 4 Door Switch F 4 7 List of Heater Thermoswitch Thermistor 1 2 3 No Name Reference Remarks 1 Thermoswitch 2 Fixing Heater 3 Thermistor F 4 8 ...

Страница 83: ...ame Reference Remarks 1 Control Panel PCB 2 Duplex Driver PCB 3 Motor Driver PCB 4 Laser Driver PCB 5 WiFi Module 6 Switch PCB 7 Off Hook PCB 100V Model Only 8 FAX NCU PCB 9 Main controller PCB 10 Engine Controller PCB 11 Paper Leading Edge Sensor PCB 12 Fixing Delivery Paper Width Sensor PCB F 4 9 Single sided Printer Unit List of Motor Fan 1 2 No Name Reference Remarks 1 Main Motor 2 Laser Scann...

Страница 84: ...ist of Parts Single sided Printer Unit List of Solenoid List of Solenoid 1 No Name Reference Remarks 1 Pickup Solenoid F 4 11 List of Sensor 1 2 3 4 5 6 No Name Reference Remarks 1 Encoder Sensor 2 Multi Pickup Sensor 3 Toner Sensor 4 Paper Leading Edge Sensor 5 Paper Width Sensor 6 Fixing Delivery Sensor F 4 12 ...

Страница 85: ...embly Assembly List of Parts Single sided Printer Unit List of Solenoid List of Switch and Speaker 1 2 3 No Name Reference Remarks 1 Speaker 2 Power Switch 3 Door switch F 4 13 List of Heater Thermoswitch Thermistor 1 2 3 No Name Reference Remarks 1 Thermoswitch 2 Fixing Heater 3 Thermistor F 4 14 ...

Страница 86: ...r Unit List of Solenoid List of PCB 7 9 1 6 2 3 8 4 5 11 10 No Name Reference Remarks 1 Control Panel PCB 2 Motor Driver PCB 3 Laser Driver PCB 4 WiFi Module PCB 5 Switch PCB 6 Off Hook PCB 100V Model Only 7 FAX NCU PCB 8 Main Controller PCB 9 Engine Controller PCB 10 Paper Leading Edge Sensor PCB 11 Fixing Delivery Paper Width Sensor PCB F 4 15 ...

Страница 87: ...tor J No Name Remarks J15 Main Controller PCB J1402 DES Sensor J15 Main Controller PCB J1403 DS Sensor J12 Main Controller PCB J1401 DADF Motor J8 Main Controller PCB J8 DADF Solenoid F 4 16 T 4 1 SADF Unit J15 J12 J1402 J1403 J No Name Relay Connector J No Name Remarks J15 Main Controller PCB J1402 DES Sensor J15 Main Controller PCB J1403 DS Sensor J12 Main Controller PCB J12 SADF Motor T 4 2 ...

Страница 88: ...ay Connector J No Name Remarks J1101 Duplex Driver PCB J1154 Motor Driver PCB J1102 Duplex Driver PCB J1102 Duplex Solenoid J1103 Duplex Driver PCB J1103 Main Fan Unit J1151 Motor Driver PCB J571 Engine Controller PCB J1153 Motor Driver PCB J802 Laser Scanner Motor J801 Laser Driver PCB J542 Engine Controller PCB J101 Engine Controller PCB Fixing Film Unit J551 Engine Controller PCB J751 Paper Lea...

Страница 89: ...902 Engine Controller PCB J6 Main Controller PCB J905 Engine Controller PCB Multi Pickup Sensor J3 Memory Tag Cartridge J605 Main Controller PCB J1305 Pseudo CI PCB Model with FAX 100V J602 Main Controller PCB J1204 FAX NCU PCB Model with FAX MF4890dw MF4880dw MF4870dn L418S L410 L190 J601 Main Controller PCB J1201 FAX NCU PCB Model with FAX MF4890dw MF4880dw MF4870dn L418S L410 L190 J7 Main Contr...

Страница 90: ...gine Controller PCB J1153 Motor Driver PCB J802 Laser Scanner Motor J801 Laser Driver PCB J542 Engine Controller PCB J101 Engine Controller PCB Fixing Film Unit J551 Engine Controller PCB J751 Paper Leading Edge Sensor J552 Engine Controller PCB J701 Fixing Delivery Paper Width Sensor PCB J562 Engine Controller PCB J562 Pickup Solenoid J702 Fixing Delivery Paper Width Sensor PCB Fixing Film Unit F...

Страница 91: ...J6 Main Controller PCB J905 Engine Controller PCB Multi Pickup Sensor J3 Memory Tag Cartridge J605 Main Controller PCB J1305 Pseudo CI PCB Model with FAX 100V J602 Main Controller PCB J1204 FAX NCU PCB Model with FAX MF4780w MF4770n MF4750 J601 Main Controller PCB J1201 FAX NCU PCB Model with FAX MF4780w MF4770n MF4750 J7 Main Controller PCB J401 Control Panel PCB J1 Main Controller PCB J4 Wireles...

Страница 92: ...he Left Cover MF4890dw 4880dw Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 21 1 Remove the screw black TP 1 1 F 4 22 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks 4 x2 1...

Страница 93: ...er MF4890dw 4880dw Note The locations of the 5 right cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 25 1 Remove the screw black TP 1 1 F 4 26 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 2 1 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks 4 x2 1 3 4 2 F 4...

Страница 94: ...rocedure 1 Remove the front cover unit 1 connector 2 2 protrusions 3 2 claws 4 4 3 2 1 4 3 F 4 29 Removing the Upper Cover MF4890dw 4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When assembling dis...

Страница 95: ...bly Assembly External Cover Interior Removing the Upper Cover MF4890dw 4880dw Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 4 screws black TP 2 x4 1 2 2 F 4 31 F 4 32 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 33 ...

Страница 96: ... Cover MF4870dn MF4830d Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 34 1 Remove the screw black TP 1 1 F 4 35 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks 4 ...

Страница 97: ...ht Cover MF4870dn MF4830d Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 38 1 Remove the screw black TP 1 1 F 4 39 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 2 1 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks ...

Страница 98: ...Procedure 1 Remove the front cover unit 1 connector 2 2 protrusions 3 2 claws 4 4 3 2 1 4 3 F 4 42 Removing the Upper Cover MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When assembling d...

Страница 99: ...bly Assembly External Cover Interior Removing the Upper Cover MF4870dn MF4830d Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 4 screws black TP 2 x4 1 2 2 F 4 44 F 4 45 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 46 ...

Страница 100: ...ocedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 47 1 Remove the screw black TP 1 1 F 4 48 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside 2 x3 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the left cover 3 3 hooks 4 x2...

Страница 101: ...Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 51 1 Remove the screw black TP 1 1 F 4 52 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the right cover 3 3 hooks 4...

Страница 102: ... Remove the front cover unit 1 2 screws 2 1 connector 3 2 claws 4 1 4 3 x2 4 2 F 4 55 Removing the Upper Cover MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When assembling disassembling the...

Страница 103: ...bly Assembly External Cover Interior Removing the Upper Cover MF4820d Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 6 screws black TP 2 2 x6 1 2 F 4 57 F 4 58 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 59 ...

Страница 104: ...re Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 60 1 Remove the screw black TP 1 1 F 4 61 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside 2 x3 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the left cover 3 3 hooks 4 x2 2 2 ...

Страница 105: ...dure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 64 1 Remove the screw black TP 1 1 F 4 65 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the right cover 3 3 hooks 4 x2 1...

Страница 106: ...move the front cover unit 1 2 screws 2 1 connector 3 2 claws 4 1 4 3 x2 4 2 F 4 68 Removing the Upper Cover D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When assembling disassembling the upper...

Страница 107: ...bly Assembly External Cover Interior Removing the Upper Cover D530 Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 6 screws black TP 2 2 x6 1 2 F 4 70 F 4 71 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 72 ...

Страница 108: ...he Left Cover MF4780w MF4770n MF4750 MF4730 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 73 1 Remove the screw black TP 1 1 F 4 74 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 uppe...

Страница 109: ...he Right Cover MF4780w MF4770n MF4750 MF4730 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 77 1 Remove the screw black TP 1 1 F 4 78 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 2 1 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upp...

Страница 110: ... right cover Procedure 1 Remove the front cover unit 1 connector 2 2 protrusions 3 2 claws 4 4 3 2 1 4 3 F 4 81 Removing the Upper Cover MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3...

Страница 111: ...bly Assembly External Cover Interior Removing the Upper Cover MF4780w MF4770n MF4750 MF4730 Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 4 screws black TP 2 x4 1 2 2 F 4 83 F 4 84 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 85 ...

Страница 112: ...720w MF4712 MF4710 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 86 1 Remove the screw black TP 1 1 F 4 87 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside 2 x3 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the left...

Страница 113: ...F4720w MF4712 MF4710 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 90 1 Remove the screw black TP 1 1 F 4 91 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside x3 1 2 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 6 Remove the ri...

Страница 114: ...r Procedure 1 Remove the front cover unit 1 2 screws 2 1 connector 3 2 claws 4 1 4 3 x2 4 2 F 4 94 Removing the Upper Cover MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When a...

Страница 115: ...bly Assembly External Cover Interior Removing the Upper Cover MF4720w MF4712 MF4710 Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 6 screws black TP 2 2 x6 1 2 F 4 96 F 4 97 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 98 ...

Страница 116: ...over L418S L410 L190 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 99 1 Remove the screw black TP 1 1 F 4 100 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside 2 1 x3 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks 4 x2 2...

Страница 117: ... Cover L418S L410 L190 Procedure Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 1 F 4 103 1 Remove the screw black TP 1 1 F 4 104 2 Remove the 2 rear claws 1 3 Place the machine with its right side down and remove the claw 2 on the underside 2 x3 1 4 Return the host machine to its original position 5 Open the reader unit 1 and remove the 2 upper claws 2 3 hooks 4 4...

Страница 118: ...cedure 1 Remove the front cover unit 1 connector 2 2 protrusions 3 2 claws 4 4 3 x2 4 1 2 F 4 107 Removing the Upper Cover L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit Procedure 1 Open the delivery tray 1 2 Remove the cartridge arm 2 3 Remove the 2 fixing pressure arms 3 Caution When assembling dis...

Страница 119: ...y Assembly External Cover Interior Removing the Upper Cover L418S L410 L190 Procedure 4 Raise the delivery tray 1 vertically and remove it 1 5 Remove the upper cover 1 4 screws black TP 2 2 x6 1 2 F 4 109 F 4 110 Caution Be sure to put the cartridge arm 1 through the hole A of the upper cover when installing 1 A F 4 111 ...

Страница 120: ...w Preparation 1 Remove the left cover Procedure 1 Remove the 2 grounding wires 1 1 screw black TP 2 Disconnect the 3 connectors 3 and free the grounding wire and the harnesses from the harness guide A x4 1 A 2 3 3 Remove the ferrite core 1 and disconnect the 2 flat cables from the harness guide A F 4 112 1 A 2 x2 4 Remove the DADF unit and reader unit 2 claws 2 Caution When placing the removed cop...

Страница 121: ...eader unit secure the 2 hinge arm claws 1 to the 2 hooks 2 of the reader unit 2 1 2 1 Removing the DADF Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit Procedure 1 Remove the connector cover 1 and plate 2 and remove the harness from the guide A 4 claws 3 Caution When placing the removed copyboard cover and reader unit on the desk floor etc be caref...

Страница 122: ...der System Removing the DADF Unit MF4890dw MF4880dw Procedure Caution Be sure to hold the connector cover when removing it 1 2 3 3 3 A x4 Caution Before installing the connector cover be sure to store the harness grounding wire and flat cable in the A part A 2 Release the lock 1 on the lower left front side of the reader unit and open the DADF unit 1 2 F 4 115 ...

Страница 123: ...e the DADF unit 1 by lift it up and then raising it vertically 1 Caution When installing the DADF unit be careful not to damage the harnesses with A part F 4 117 F 4 116 Removing the DADF Pickup Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Open the DADF pickup tray and DADF upper cover 2 1 2 Remove the DADF upp...

Страница 124: ...Caution When assembling the DADF upper front cover align the 2 hooks 1 at left side to DADF front cover hole A to install the cover 1 A F 4 119 3 Open the DADF tray 1 until it stops Then release the claw by pushing the hook 2 in the direction of the arrow A with a flat blade screwdriver and move the tray in the direction of the arrow 1 2 3 4 Open the DADF tray 1 to the position shown in the figure...

Страница 125: ...ent Exposure Feeder System Removing the DADF Pickup Unit MF4890dw MF4880dw Procedure 5 Remove the DADF upper rear cover 1 1 boss 2 3 hooks 3 1 2 3 3 6 Remove the DADF upper cover 1 2 shafts 2 1 1 2 2 F 4 122 F 4 123 7 Remove the DADF unit communication cable 1 from the harness guide A x5 1 A 8 Remove the DADF unit 5 screws 2 x5 1 2 2 2 F 4 124 F 4 125 ...

Страница 126: ...DF Motor Unit MF4890dw MF4880dw Procedure Removing the DADF Motor Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Open the DADF pickup tray and DADF upper cover 1 2 2 Remove the DADF upper rear cover 1 1 boss 2 3 hooks 3 F 4 126 1 2 3 3 3 Remove the DADF motor 1 1 connector 2 1 screw 3 1 2 3 F 4 127 F 4 128 ...

Страница 127: ...r unit 3 Remove the DADF unit 4 Remove the DADF pickup unit 5 Remove the DADF motor unit Procedure Caution Gently remove the DADF solenoid unit to prevent the gear phase from becoming displaced 1 Remove the DADF solenoid unit 1 1 e ring 2 2 screws 3 1 harness band 4 4 x2 2 3 1 F 4 129 Caution When assembling the DADF solenoid unit be sure to put the solenoid shaft 1 through the hole A on the solen...

Страница 128: ...ocedure Removing the DADF Pickup Roller Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the pickup unit Procedure 1 Remove the gear 1 bushing 2 2 e rings 3 and bushing 4 Caution Do not touch the pickup roller surface 1 1 1 2 3 4 3 2 Remove the DADF pickup roller unit 1 1 3 Remove the spring 1 on the back side of the ...

Страница 129: ...F4890dw MF4880dw Procedure 4 Remove the bushing 1 pin 2 and 2 e rings 3 Caution When disassembling assembling take care not to lose the plate spring 1 and gear 2 2 1 3 1 2 F 4 133 5 Pull out pickup roller shaft 1 and remove the pickup roller 2 bushing A bushing B and gear 3 2 A B 3 1 Note When pulling out the pickup roller shaft 1 be sure to align the boss 2 of the roller shaft with the hole on th...

Страница 130: ... Remove the pickup roller unit 1 pickup roller shaft 2 pickup roller 2 3 1 bushing A 1 bushing B 1 gear 4 1 3 A B 4 2 F 4 135 Removing the DADF Separation Pad MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the pickup unit Procedure 1 Remove the DADF pickup upper cover 1 and free the harness from the connector 2 and the h...

Страница 131: ... MF4890dw MF4880dw Procedure 2 Remove the separation pad unit 1 2 claws 2 2 protrusions 3 Caution Be sure to hold the separation pad unit with your fingers when releasing its 2 protrusions 3 3 3 1 3 x2 2 3 F 4 137 3 Remove the separation pad 1 2 hooks 2 Caution Do not touch the pad surface 1 When disassembling assembling take care not to lose the spring 2 on the back side of the separation pad 1 2...

Страница 132: ...following steps to install it 1 Install the spring 1 to the boss 2 on the back side of the separation pad 1 2 2 Install the shaft 1 of the separation pad unit to the A part on the back side of the DADF pickup upper cover A 1 3 Install the spring to the protrusion 1 of the DADF pickup upper cover 1 4 Turn the DADF pickup upper cover over to the back and install the separation pad cover 1 x2 1 2 2 3...

Страница 133: ... cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Remove the 4 screws TP 1 x4 1 1 1 2 Remove the copyboard guide holder 1 1 claw 2 1 protrusions 3 1 3 2 F 4 139 F 4 140 3 Remove the reader upper cover 1 6 claws 2 1 hook 3 x6 1 2 2 2 2 3 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass...

Страница 134: ...4880dw Procedure 1 F 4 142 Removing the Flatbed Motor Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading a...

Страница 135: ...90dw MF4880dw Procedure 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grease is applied on the shaft 1 of the contact sensor so be careful not to let the belt 2 come in contact with the shaft 1 2 F 4 143 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 14...

Страница 136: ...move the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 147 Removing the DADF CIS Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy...

Страница 137: ...ure Feeder System Removing the DADF CIS Unit MF4890dw MF4880dw Procedure 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and flat cable 2 1 guide A 1 2 A F 4 148 F 4 149 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 150 ...

Страница 138: ...move the left cover Procedure 1 Remove the 2 grounding wires 1 1 screw black TP 2 Disconnect the 3 connectors 3 and free the grounding wire and the harnesses from the harness guide A x3 1 A 2 3 3 Remove the ferrite core 1 and disconnect the 2 flat cables from the harness guide A 1 A 2 x2 F 4 151 F 4 152 4 Remove the DADF unit and reader unit 2 claws 2 Caution When placing the removed copyboard cov...

Страница 139: ...F4830d Procedure Caution When installing the DADF unit and reader unit secure the 2 hinge arm claws 1 to the 2 hooks 2 of the reader unit 2 1 2 1 Removing the SADF Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit Procedure 1 Remove the connector 1 1 hook 2 2 claws 3 Note The location of hook 2 and the 2 claws 3 of the connector cover are shown here 3...

Страница 140: ... Unit MF4870dn MF4830d Procedure Caution Be sure to hold the connector cover when removing it x2 2 3 1 Caution Before installing the connector cover be sure to store the harness grounding wire and flat cable in the A part A 2 Free the reader harness 1 from the cut off A A 1 1 3 Release the lock 1 on the lower left front side of the reader unit and open the SADF unit 2 1 F 4 154 F 4 155 ...

Страница 141: ...e sure to avoid damaging the bottom sheet when placing the removed SADF unit 1 2 Caution When installing the DADF unit be careful not to damage the harnesses with A part F 4 157 F 4 156 Removing the SADF Pickup Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Open the SADF pickup tray 1 and remove the SADF pickup tr...

Страница 142: ...es 3 Caution When releasing the 2 claws 2 on the SADF front cover be careful not to put too much force otherwise they may get damaged x2 3 2 1 Note The following shows the 2 claws 2 and 2 bosses 3 of the SADF front cover 3 3 2 F 4 160 4 Free the boss 1 and open the SADF upper cover 2 by the amount for which the boss is freed 2 1 5 Free the harness 1 from the guide A and remove the 4 screws 2 on th...

Страница 143: ...ution When install the SADF upper cover be sure that the guide 1 does not get inside the A part 1 A Removing the SADF Motor Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Open the SADF pickup tray 1 and remove the SADF pickup tray 2 shafts 2 1 2 2 2 Open the SADF upper cover 1 and remove the SADF rear cover 2 3 cl...

Страница 144: ...n MF4830d Procedure 3 Remove the tube 1 protecting the harness 2 harnesses bands 2 1 2 4 Remove the SADF motor 1 2 screws 2 x2 2 1 F 4 166 F 4 167 Removing the SADF Pickup Roller 1 2 MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the SADF pickup unit Procedure 1 Remove the rib 1 1 screw 2 Caution Do not touch the pickup r...

Страница 145: ...osure Feeder System Removing the SADF Pickup Roller 1 2 MF4870dn MF4830d Procedure 2 Remove the SADF upper cover 1 2 shafts 2 1 2 3 Remove the gear 1 bushing 2 2 e rings 3 and bushing 4 Caution Do not touch the pickup roller surface 1 1 F 4 169 4 Remove the pickup roller unit 1 1 1 5 Remove the spring 1 on the back side of the pickup roller unit 1 F 4 170 F 4 171 ...

Страница 146: ... 1 2 MF4870dn MF4830d Procedure 6 Remove the bushing 1 pin 2 and 2 e rings 3 3 1 2 7 Pull out the pickup roller shaft 1 and remove the pickup roller 2 bushing 3 bushing 4 and gear 5 2 A B 3 1 F 4 172 F 4 173 8 Remove the pickup roller unit 2 1 1 pickup roller shaft2 2 1 pickup roller 2 3 1 bushing 4 1 bushing 5 1 3 A B 4 2 Caution When disassembly assembly be careful not to lose the plate 1 and ge...

Страница 147: ...MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the SADF pickup unit Procedure 1 Remove the SADF pickup upper cover 1 and free the harness from the connector 2 and the harness guide A 4 screws 3 1 2 A x4 3 F 4 175 2 Remove the separation pad unit 1 2 claws 2 2 protrusions 3 Caution Be sure to hold the separation pad unit w...

Страница 148: ...ration pad 1 2 hooks 2 Caution Do not touch the pad surface 1 When disassembling assembling take care not to lose the spring 2 on the back side of the separation pad 1 2 2 2 1 F 4 177 Caution When the spring 1 comes off go through the following steps to install it 1 Install the spring 1 to the boss 2 on the back side of the separation pad 1 2 2 Install the shaft 1 of the separation pad unit to the...

Страница 149: ...e Feeder System Removing the SADF Separation Pad MF4870dn MF4830d Procedure 3 Install the spring to the protrusion 1 of the SADF pickup upper cover 1 4 Turn the SADF pickup upper cover over to the back and install the separation pad cover 1 2 hooks 2 2 claws 3 x2 1 2 2 3 3 5 Turn the SADF pickup upper cover over to the front and push in the separation pad unit 1 1 ...

Страница 150: ...t cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Remove the 4 screws TP 1 x4 1 1 2 Remove the copyboard guide holder 1 1 claw 2 1 protrusions 3 1 3 2 F 4 178 F 4 179 3 Remove the reader upper cover 1 6 claws 2 1 hook 3 x6 1 2 3 2 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass take...

Страница 151: ...4830d Procedure 1 F 4 181 Removing the Flatbed Motor Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading are...

Страница 152: ...70dn MF4830d Procedure 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grease is applied on the shaft 1 of the contact sensor so be careful not to let the belt 2 come in contact with the shaft 1 2 F 4 182 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 183...

Страница 153: ...emove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 186 Removing the SADF CIS Unit MF4870dn MF4830d Procedure 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy r...

Страница 154: ...ure Feeder System Removing the SADF CIS Unit MF4870dn MF4830d Procedure 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and flat cable 2 1 guide A 1 2 A F 4 187 F 4 188 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 189 ...

Страница 155: ...ving the Copyboard Cover MF4820d Procedure 1 Remove the copyboard cover 1 1 F 4 190 Removing the Copyboard Cover and Reader Unit MF4820d Preparation 1 Remove the left cover Procedure 1 Remove the 1 grounding wires 1 1 screw black TP 2 Disconnect the connectors 3 and free the grounding wire and the harnesses from the harness guide A 1 A 2 3 3 Remove the ferrite core 1 and disconnect the 2 flat cabl...

Страница 156: ...oard Cover and Reader Unit MF4820d Procedure 4 Remove the copyboard cover and reader unit 2 claws 2 Caution When placing the removed copyboard cover and reader unit on the desk floor etc be careful not to get the flat cable and harnesses trapped under them x2 1 2 F 4 193 Caution When mounting the reader unit and copyboard cover fix the 2 hinge arm claws 1 to the 2 latches 2 of the reader unit 2 1 ...

Страница 157: ...paration 1 Remove the copyboard cover 2 Remove the control panel unit Procedure 1 Remove the 2 screws 1 x2 1 2 Remove the reader upper cover 1 6 claw 2 x6 1 2 2 2 F 4 194 F 4 195 3 Remove the copyboard glass 1 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass take care not to touch the glass surface If the surface b...

Страница 158: ...pyboard cover 3 Remove the control panel 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading area A of the CIS unit 1 A 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grease is applied on...

Страница 159: ...bly Assembly Document Exposure Feeder System Removing the Flatbed Motor Unit MF4820d Procedure 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 198 F 4 199 F 4 200 5 Remove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 201 ...

Страница 160: ... Unit MF4820d Preparation 1 Remove the copyboard cover 2 Remove the control panel unit 3 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy reading area A of the CIS unit 1 A 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and flat cable 2 1 guide A 1 2 ...

Страница 161: ...xposure Feeder System Removing the Copyboard Cover D530 Procedure 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 204 Removing the Copyboard Cover D530 Procedure 1 Remove the copyboard cover 1 1 F 4 205 ...

Страница 162: ...left cover Procedure 1 Remove the 1 grounding wires 1 1 screw black TP 2 Disconnect the connectors 3 and free the grounding wire and the harnesses from the harness guide A 1 A 2 3 3 Remove the ferrite core 1 and disconnect the 2 flat cables from the harness guide A 1 A 2 x2 F 4 206 F 4 207 4 Remove the copyboard cover and reader unit 2 claws 2 Caution When placing the removed copyboard cover and r...

Страница 163: ... D530 Procedure Caution When mounting the reader unit and copyboard cover fix the 2 hinge arm claws 1 to the 2 latches 2 of the reader unit 2 1 2 1 Removing the Copyboard Glass D530 Preparation 1 Remove the copyboard cover 2 Remove the control panel unit Procedure 1 Remove the 2 screws 1 x2 1 2 Remove the reader upper cover 1 6 claw 2 x6 1 2 2 2 3 Remove the copyboard glass 1 F 4 209 F 4 210 ...

Страница 164: ... copyboard glass take care not to touch the glass surface If the surface becomes dirty clean it with lens cleaning paper 1 F 4 211 Removing the Flatbed Motor Unit D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover 3 Remove the control panel 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacer...

Страница 165: ...r Unit D530 Procedure 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grease is applied on the shaft 1 of the contact sensor so be careful not to let the belt 2 come in contact with the shaft 1 2 F 4 212 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 213 F 4 214 F 4 215 ...

Страница 166: ...5 Remove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 216 Removing the CIS Unit D530 Preparation 1 Remove the copyboard cover 2 Remove the control panel unit 3 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy reading area A of the CIS unit 1 A ...

Страница 167: ...ure Feeder System Removing the CIS Unit D530 Procedure 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and flat cable 2 1 guide A 1 2 A F 4 217 F 4 218 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 219 ...

Страница 168: ...730 Preparation 1 Remove the left cover Procedure 1 Remove the 2 grounding wires 1 1 screw black TP 2 Disconnect the 3 connectors 3 and free the grounding wire and the harnesses from the harness guide A x3 1 A 2 3 3 Remove the ferrite core 1 and disconnect the 2 flat cables from the harness guide A 1 A 2 x2 F 4 220 F 4 221 4 Remove the DADF unit and reader unit 2 claws 2 Caution When placing the r...

Страница 169: ...MF4750 MF4730 Procedure Caution When installing the DADF unit and reader unit secure the 2 hinge arm claws 1 to the 2 hooks 2 of the reader unit 2 1 2 1 Removing the SADF Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit Procedure 1 Remove the connector 1 1 hook 2 2 claws 3 Note The location of hook 2 and the 2 claws 3 of the connector co...

Страница 170: ... Unit MF4780w MF4770n MF4750 MF4730 Procedure Caution Be sure to hold the connector cover when removing it x2 2 3 1 Caution Before installing the connector cover be sure to store the harness grounding wire and flat cable in the A part A 2 Free the reader harness 1 from the cut off A A 1 1 3 Release the lock 1 on the lower left front side of the reader unit and open the SADF unit 2 1 F 4 223 F 4 22...

Страница 171: ...ution Be sure to avoid damaging the bottom sheet when placing the removed SADF unit 1 2 Caution When installing the DADF unit be careful not to damage the harnesses with A part F 4 226 F 4 225 Removing the SADF Pickup Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Open the SADF pickup tray 1 and remov...

Страница 172: ...1 2 claws 2 2 bosses 3 Caution When releasing the 2 claws 2 on the SADF front cover be careful not to put too much force otherwise they may get damaged x2 3 2 1 Note The following shows the 2 claws 2 and 2 bosses 3 of the SADF front cover 3 3 2 F 4 229 4 Free the boss 1 and open the SADF upper cover 2 by the amount for which the boss is freed 2 1 5 Free the harness 1 from the guide A and remove th...

Страница 173: ... Caution When install the SADF upper cover be sure that the guide 1 does not get inside the A part 1 A F 4 232 Removing the SADF Motor Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Open the SADF pickup tray 1 and remove the SADF pickup tray 2 shafts 2 1 2 2 2 Open the SADF upper cover 1 and remove th...

Страница 174: ...0n MF4750 MF4730 Procedure 3 Remove the tube 1 protecting the harness 2 harnesses bands 2 1 2 4 Remove the SADF motor 1 2 screws 2 x2 2 1 F 4 235 F 4 236 Removing the SADF Pickup Roller 1 2 MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the SADF pickup unit Procedure 1 Remove the rib 1 1 screw 2 Caution Do no...

Страница 175: ...osure Feeder System Removing the SADF Pickup Roller 1 2 MF4780w MF4770n MF4750 MF4730 Procedure 2 Remove the SADF upper cover 1 2 shafts 2 1 2 3 Remove the gear 1 bushing 2 2 e rings 3 and bushing 4 Caution Do not touch the pickup roller surface 1 1 F 4 238 4 Remove the pickup roller unit 1 1 1 5 Remove the spring 1 on the back side of the pickup roller unit 1 F 4 239 F 4 240 ...

Страница 176: ...r 1 2 MF4780w MF4770n MF4750 MF4730 Procedure 6 Remove the bushing 1 pin 2 and 2 e rings 3 3 1 2 7 Pull out the pickup roller shaft 1 and remove the pickup roller 2 bushing 3 bushing 4 and gear 5 2 A B 3 1 F 4 241 F 4 242 8 Remove the pickup roller unit 2 1 1 pickup roller shaft2 2 1 pickup roller 2 3 1 bushing 4 1 bushing 5 1 3 A B 4 2 Caution When disassembly assembly be careful not to lose the ...

Страница 177: ...ion Pad MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the SADF pickup unit Procedure 1 Remove the SADF pickup upper cover 1 and free the harness from the connector 2 and the harness guide A 4 screws 3 1 2 A x4 3 F 4 244 2 Remove the separation pad unit 1 2 claws 2 2 protrusions 3 Caution Be sure to hold the ...

Страница 178: ...emove the separation pad 1 2 hooks 2 Caution Do not touch the pad surface 1 When disassembling assembling take care not to lose the spring 2 on the back side of the separation pad 1 2 2 2 1 F 4 246 Caution When the spring 1 comes off go through the following steps to install it 1 Install the spring 1 to the boss 2 on the back side of the separation pad 1 2 2 Install the shaft 1 of the separation p...

Страница 179: ...re Feeder System Removing the SADF Separation Pad MF4780w MF4770n MF4750 MF4730 Procedure 3 Install the spring to the protrusion 1 of the SADF pickup upper cover 1 4 Turn the SADF pickup upper cover over to the back and install the separation pad cover 1 2 hooks 2 2 claws 3 x2 1 2 2 3 3 5 Turn the SADF pickup upper cover over to the front and push in the separation pad unit 1 1 ...

Страница 180: ...tion 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit Procedure 1 Remove the 4 screws TP 1 x4 1 1 2 Remove the copyboard guide holder 1 1 claw 2 1 protrusions 3 1 3 2 F 4 247 F 4 248 3 Remove the reader upper cover 1 6 claws 2 1 hook 3 x6 1 2 3 2 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the...

Страница 181: ...MF4750 MF4730 Procedure 1 F 4 250 Removing the Flatbed Motor Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch...

Страница 182: ...780w MF4770n MF4750 MF4730 Procedure 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grease is applied on the shaft 1 of the contact sensor so be careful not to let the belt 2 come in contact with the shaft 1 2 F 4 251 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1...

Страница 183: ...ure 5 Remove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 255 Removing the SADF CIS Unit MF4780w MF4770n MF4750 MF4730 Procedure 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the SADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do ...

Страница 184: ...sure Feeder System Removing the SADF CIS Unit MF4780w MF4770n MF4750 MF4730 Procedure 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and flat cable 2 1 guide A 1 2 A F 4 256 F 4 257 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 258 ...

Страница 185: ...oving the Copyboard Cover MF4720w MF4712 MF4710 Procedure 1 Remove the copyboard cover 1 1 F 4 259 Removing the Copyboard Cover and Reader Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover Procedure 1 Remove the 1 grounding wires 1 1 screw black TP 2 Disconnect the connectors 3 and free the grounding wire and the harnesses from the harness guide A 1 A 2 3 3 Remove the ferrite core 1 a...

Страница 186: ...board Cover and Reader Unit MF4720w MF4712 MF4710 Procedure 4 Remove the copyboard cover and reader unit 2 claws 2 Caution When placing the removed copyboard cover and reader unit on the desk floor etc be careful not to get the flat cable and harnesses trapped under them x2 1 2 F 4 262 Caution When mounting the reader unit and copyboard cover fix the 2 hinge arm claws 1 to the 2 latches 2 of the r...

Страница 187: ...720w MF4712 MF4710 Preparation 1 Remove the copyboard cover 2 Remove the control panel unit Procedure 1 Remove the 2 screws 1 x2 1 2 Remove the reader upper cover 1 6 claw 2 x6 1 2 2 2 F 4 263 F 4 264 3 Remove the copyboard glass 1 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass take care not to touch the glass su...

Страница 188: ... the copyboard cover 3 Remove the copyboard cover 4 Remove the control panel 5 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading area A of the CIS unit 1 A 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the...

Страница 189: ...mbly Assembly Document Exposure Feeder System Removing the Flatbed Motor Unit MF4720w MF4712 MF4710 Procedure 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 267 F 4 268 F 4 269 5 Remove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 270 ...

Страница 190: ...CIS Unit MF4720 MF4712 MF4710 Preparation 1 Remove the copyboard cover 2 Remove the control panel unit 3 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy reading area A of the CIS unit 1 A Procedure 1 Move the CIS unit 1 1 2 Remove 2 spacers 1 and f...

Страница 191: ... the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 273 Removing the DADF Unit and Reader Unit L418S L410 L190 Preparation 1 Remove the left cover Procedure 1 Remove the grounding wire 1 1 screw black TP 2 2 Disconnect the 4 connectors 3 and free the grounding wire and the harnesses from the harness guide A 1 2...

Страница 192: ...t and Reader Unit L418S L410 L190 Procedure x2 1 2 A 4 Remove the DADF unit and reader unit 2 claws 2 Caution When placing the removed copyboard cover and reader unit on the desk floor etc be careful not to get the flat cable and harnesses trapped under them x2 1 2 F 4 275 F 4 276 Caution When installing the DADF unit and reader unit secure the 2 hinge arm claws 1 to the 2 hooks 2 of the reader un...

Страница 193: ... Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit Procedure 1 Remove the connector cover 1 and plate 2 and remove the harness from the guide A 4 claws 3 Caution When placing the removed copyboard cover and reader unit on the desk floor etc be careful not to get the flat cable and harnesses trapped under them 1 3 3 Caution Be sure to hold the connector...

Страница 194: ...Procedure Caution Before installing the connector cover be sure to store the harness grounding wire and flat cable in the A part A 2 Release the lock 1 on the lower left front side of the reader unit and open the DADF unit 1 2 F 4 277 3 Remove the DADF unit 1 by lift it up and then raising it vertically 1 Caution When installing the DADF unit be careful not to damage the harnesses with A part F 4 ...

Страница 195: ...edure Removing the DADF Pickup Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Open the DADF pickup tray and DADF upper cover 2 1 2 Remove the DADF upper front cover 2 by pushing the claw F 4 280 2 3 1 2 Caution When assembling the DADF upper front cover align the 2 hooks 1 at left side to DADF front cover hole A to...

Страница 196: ...e 3 Open the DADF tray 1 until it stops Then release the claw by pushing the hook 2 in the direction of the arrow A with a flat blade screwdriver and move the tray in the direction of the arrow 1 2 3 4 Open the DADF tray 1 to the position shown in the figure below and remove it upward 1 F 4 282 F 4 283 5 Remove the DADF upper rear cover 1 1 boss 2 3 hooks 3 1 2 3 3 6 Remove the DADF upper cover 1 ...

Страница 197: ...90 Procedure 7 Remove the DADF unit communication cable 1 from the harness guide A x5 1 A 8 Remove the DADF unit 5 screws 2 x5 1 2 2 2 F 4 286 F 4 287 Removing the DADF Motor Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Open the DADF pickup tray and DADF upper cover 1 2 2 Remove the DADF upper rear cover 1 1 boss...

Страница 198: ...DADF motor 1 1 connector 2 1 screw 3 1 2 3 F 4 289 F 4 290 Removing the DADF Solenoid Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the DADF pickup unit 5 Remove the DADF motor unit Procedure Caution Gently remove the DADF solenoid unit to prevent the gear phase from becoming displaced 1 Remove the DADF solenoid unit...

Страница 199: ...put the solenoid shaft 1 through the hole A on the solenoid arm When assembling the DADF solenoid unit ensure that the 2 DADF pickup unit shafts 2 and the 2 DADF solenoid unit contact points B are in contact 1 A B 2 Removing the DADF Pickup Roller Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the pickup unit Procedur...

Страница 200: ... Feeder System Removing the DADF Pickup Roller Unit L418S L410 L190 Procedure 1 2 3 4 3 2 Remove the DADF pickup roller unit 1 1 3 Remove the spring 1 on the back side of the pickup roller unit 1 F 4 292 F 4 293 F 4 294 4 Remove the bushing 1 pin 2 and 2 e rings 3 Caution When disassembling assembling take care not to lose the plate spring 1 and gear 2 2 1 3 1 2 F 4 295 ...

Страница 201: ... Roller Unit L418S L410 L190 Procedure 5 Pull out pickup roller shaft 1 and remove the pickup roller 2 bushing A bushing B and gear 3 2 A B 3 1 Note When pulling out the pickup roller shaft 1 be sure to align the boss 2 of the roller shaft with the hole on the A part 2 1 A A F 4 296 6 Remove the pickup roller unit 1 pickup roller shaft 2 pickup roller 2 3 1 bushing A 1 bushing B 1 gear 4 1 3 A B 4...

Страница 202: ...ad L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the pickup unit Procedure 1 Remove the DADF pickup upper cover 1 and free the harness from the connector 2 and the harness guide A 4 screws 3 1 2 A x4 3 F 4 298 2 Remove the separation pad unit 1 2 claws 2 2 protrusions 3 Caution Be sure to hold the separation pad unit with...

Страница 203: ...ration pad 1 2 hooks 2 Caution Do not touch the pad surface 1 When disassembling assembling take care not to lose the spring 2 on the back side of the separation pad 1 2 2 2 1 F 4 300 Caution When the spring 1 comes off go through the following steps to install it 1 Install the spring 1 to the boss 2 on the back side of the separation pad 1 2 2 Install the shaft 1 of the separation pad unit to the...

Страница 204: ...ckup upper cover 1 4 Turn the DADF pickup upper cover over to the back and install the separation pad cover 1 x2 1 2 2 3 3 5 Turn the DADF pickup upper cover over to the front and push in the separation pad unit 1 1 Removing the Copyboard Glass L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 Remove the 4 screws TP 1 x4 1...

Страница 205: ... Removing the Copyboard Glass L418S L410 L190 Procedure 3 Remove the reader upper cover 1 6 claws 2 1 hook 3 x6 1 2 2 2 2 3 Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass take care not to touch the glass surface If the surface becomes dirty clean it with lens cleaning paper F 4 303 1 F 4 304 ...

Страница 206: ...ove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading area A of the CIS unit 1 A 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 2 from the gear 3 Caution Grea...

Страница 207: ...mbly Assembly Document Exposure Feeder System Removing the Flatbed Motor Unit L418S L410 L190 Procedure 2 3 1 3 Remove the guide cover 1 1 4 Free the harness 1 and the grounding wire 2 from the hole A of the reader unit and the harness guide B 1 2 A B F 4 306 F 4 307 F 4 308 5 Remove the flatbed motor unit 1 2 screws 2 x2 1 2 F 4 309 ...

Страница 208: ... Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit 4 Remove the copyboard glass Procedure Caution When assembling disassembling the CIS unit take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the CIS unit do not touch the copy reading area A of the CIS unit 1 A 1 Move the CIS unit 1 1 2 Remove 2 spacers ...

Страница 209: ...90 Procedure Disassembly Assembly Document Exposure Feeder System Removing the DADF CIS Unit L418S L410 L190 Procedure 3 Remove the CIS unit 1 2 shafts 2 1 2 Caution If the CIS unit comes off be sure to align the tooth 1 on the belt with the tooth 2 on the bottom of the CIS unit to install the unit 2 1 F 4 312 ...

Страница 210: ...Panel Unit MF4890dw MF4880dw Procedure Controller System Removing the Control Panel Unit MF4890dw MF4880dw Procedure 1 Open the reader unit 1 and remove the control panel support plate 2 2 protrusions 3 1 2 3 2 Remove the 8 screws 1 on the back side of the control panel unit x8 1 1 F 4 313 F 4 314 3 Remove the control panel unit 1 4 claws 2 1 flat cable 3 x4 3 1 2 2 F 4 315 ...

Страница 211: ...ose the reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure 2 Remove the tension unit 1 1 screw 2 F 4 316 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 ...

Страница 212: ...ly Controller System Removing the Drive Belt MF4890dw MF4880dw Procedure 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt 1 F 4 318 F 4 319 Caution When assembling the drive gear install the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 320 ...

Страница 213: ...he order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed deceleration gear 8 Compression spring 9 Compression spring F 4 321 Caution Align the drive cover 2 with the 14 shaft...

Страница 214: ...w Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 323 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 324 Caution Ensure that the shutter open clos...

Страница 215: ... Disconnect the connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 3 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1 B 3 F 4 326 F 4 327 4 Free the motor harness 1 from the harness guide C 5 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C 6 Lower the tension unit 1 and remove the belt 2 1 2 F 4 328 F 4 329...

Страница 216: ... 2 screws with washer 2 x2 2 1 Caution When installing the main motor be sure to install the harness 1 to the upper side of the motor 1 F 4 331 F 4 330 Removing the Main Fan MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black...

Страница 217: ...scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 333 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 334 2 Free the fan harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 connector 2 2 1 A B 3 Free the harness from the guide A and remove the main fan 1 2 claws 2 A 1 ...

Страница 218: ... of the fan with the fan label 1 facing inwards 1 2 F 4 337 Removing the Engine Controller PCB MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Re...

Страница 219: ...al 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 340 F 4 339 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 7 1...

Страница 220: ...CB MF4890dw MF4880dw Procedure 5 Remove the engine controller PCB 1 2 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 1 5 2 3 4 x4 F 4 343 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 344 ...

Страница 221: ...ller PCB MF4890dw MF4880dw Preparation 1 Remove the left cover Procedure 1 Remove the 3 flat cables 1 and 3 connectors 2 x6 1 2 2 Remove the main controller PCB 1 1 screw bind 2 4 screws black TP 3 x5 1 2 3 3 3 F 4 345 F 4 346 Removing the FAX NCU PCB MF4890dw MF4880dw Preparation 1 Remove the left cover Procedure 1 Remove the FAX NCU PCB 1 1 flat cable 2 2 connectors 3 1 protrusion 4 3 screws 5 1...

Страница 222: ...dure 1 Remove the wireless LAN PCB 1 flat cable 2 1 screw 3 1 2 3 F 4 348 Removing the Paper Leading Edge Sensor PCB MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless ...

Страница 223: ...80dw Procedure 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 351 F 4 350 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 x4 1 2 F 4 352 F 4 353 Remove the harness retaining sprin...

Страница 224: ...w Procedure Disassembly Assembly Controller System Removing the Paper Leading Edge Sensor PCB MF4890dw MF4880dw Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the paper leading edge sensor PCB 1 2 claws 2 x2 1 2 2 F 4 354 F 4 355 Note The below picture shows how to wind the harness F 4 356 ...

Страница 225: ...the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 F 4 357 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put ...

Страница 226: ...g Delivery Paper Width Sensor PCB MF4890dw MF4880dw Procedure 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A x4 1 2 F 4 360 F 4 361 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 F 4 362 F 4 363 4 Remove the harness retaining spring 1 and 4 connectors 2 ...

Страница 227: ...r Unit MF4890dw MF4880dw Procedure Note The below picture shows how to wind the harness F 4 364 Removing the Toner Sensor and Multi Pickup Sensor Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the wireless LAN PCB Procedure 1 Remove the scanner cover 1 2 screw...

Страница 228: ...ti Pickup Sensor Unit MF4890dw MF4880dw Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 366 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 367 2 Disconnect the 2 connectors 1 and put it through the hole A of the left side plate to the inside A A 1 1 x2 3 Remove the drum unit 1 1 F 4 ...

Страница 229: ... Remove the toner sensor multi pickup sensor unit 1 wire saddle 2 1 claw 3 2 hooks 4 1 1 2 4 3 F 4 370 Removing the Speaker MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the right cover 3 Remove the front cover unit Procedure 1 Disconnect the speaker harness 1 and put it through the hole A of the left side plate to the inside 1 connector 2 1 wire saddle 3 1 2 3 A 1 A F 4 371 ...

Страница 230: ...dw MF4880dw Procedure 2 Free the speaker harness 1 from the harness guide A and put it thriugh the hole B of the right side plate to the outside 1 1 A B 3 Remove the speaker 1 1 screw 2 1 2 F 4 372 F 4 373 Caution When mounting the speaker attach the harness 1 to the upper side of the speaker So that the speaker harness connector can reach the main controller 1 F 4 374 ...

Страница 231: ...e Control Panel Unit MF4870dn MF4830d Procedure Removing the Control Panel Unit MF4870dn MF4830d Procedure 1 Open the reader unit 1 and remove the control panel support plate 2 2 protrusions 3 1 2 3 2 Remove the 8 screws 1 on the back side of the control panel unit x8 1 1 F 4 375 F 4 376 3 Remove the control panel unit 1 4 claws 2 1 flat cable 3 x4 3 1 2 2 F 4 377 ...

Страница 232: ... 1 Close the reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure 2 Remove the tension unit 1 1 screw 2 F 4 378 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cov...

Страница 233: ...er System Removing the Drive Belt MF4870dn MF4830d Procedure 1 2 x5 3 3 3 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt F 4 380 F 4 381 1 Caution When assembling the drive gear install the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 383 F 4 382 ...

Страница 234: ...e order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed deceleration gear 8 Compression spring 9 Compression spring F 4 384 Caution Align the drive cover 2 with the 14 shaft ...

Страница 235: ... Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 386 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 387 Caution Ensure that the shutter open close...

Страница 236: ...Disconnect the connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 3 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1 B 3 F 4 389 F 4 390 4 Free the motor harness 1 from the harness guide C 5 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C 6 Lower the tension unit 1 and remove the belt 2 1 2 F 4 391 F 4 392 ...

Страница 237: ... 2 screws with washer 2 x2 2 1 Caution When installing the main motor be sure to install the harness 1 to the upper side of the motor 1 F 4 394 F 4 393 Removing the Main Fan MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black ...

Страница 238: ...canner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 396 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 397 2 Free the fan harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 connector 2 2 1 A B 3 Free the harness from the guide A and remove the main fan 1 2 claws 2 A 1 2...

Страница 239: ...ards 1 2 F 4 400 Removing the Engine Controller PCB MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn Procedure MF4870dn 1 Remove the main controller mounting plate 1 4 screws with ...

Страница 240: ...ler PCB MF4870dn MF4830d Procedure x2 1 2 3 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 402 F 4 403 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 404 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 405 ...

Страница 241: ...g 1 and free the harness from the guide A 2 flat cables 2 6 connectors 3 x8 1 3 2 3 A 5 Remove the engine controller PCB 1 5 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 x7 1 3 4 5 2 2 F 4 406 F 4 407 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ens...

Страница 242: ... PCB MF4870dn MF4830d Preparation 1 Remove the left cover Procedure 1 Remove the 3 flat cables 1 and 3 connectors 2 x6 1 2 2 Remove the main controller PCB 1 1 screw bind 2 4 screws black TP 3 x5 1 2 3 3 3 F 4 409 F 4 410 Removing the FAX NCU PCB MF4870dn Preparation 1 Remove the left cover Procedure 1 Remove the FAX NCU PCB 1 1 flat cable 2 2 connectors 3 1 protrusion 4 3 screws 5 1 2 3 4 5 5 5 x...

Страница 243: ...nd reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn Procedure MF4870dn 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 MF4830d 1 Remove the main controller mounting plate 1 1 screw with washers 2 1 screw blac...

Страница 244: ...ng Edge Sensor PCB MF4870dn MF4830d Procedure Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 415 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 F 4 416 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 417 F 4 418 ...

Страница 245: ... 2 Note The below picture shows how to wind the harness F 4 420 F 4 419 Removing the Fixing Delivery Paper Width Sensor PCB MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn Procedu...

Страница 246: ...e MF4870dn 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 422 F 4 423 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 424 3 Remove the harness spring 1 from the hook 2 and...

Страница 247: ... Removing the Fixing Delivery Paper Width Sensor PCB MF4870dn MF4830d Procedure 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 426 F 4 427 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 Note The below picture shows how to wind the harness it F 4 429 F 4 428 ...

Страница 248: ... Multi Pickup Sensor Unit MF4870dn Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 430 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 431 Caution ...

Страница 249: ...y Controller System Removing the Toner Sensor and Multi Pickup Sensor Unit MF4870dn Procedure 2 Disconnect the 2 connectors 1 and put it through the hole A of the left side plate to the inside A A 1 1 x2 3 Remove the drum unit 1 1 F 4 433 F 4 434 4 Remove the toner sensor multi pickup sensor unit 1 wire saddle 2 1 claw 3 2 hooks 4 1 1 2 4 3 F 4 435 ...

Страница 250: ...emove the left cover 2 Remove the right cover 3 Remove the front cover unit Procedure 1 Disconnect the speaker harness 1 and put it through the hole A of the left side plate to the inside 1 connector 2 1 wire saddle 3 1 2 3 A 1 A F 4 436 2 Free the speaker harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 1 A B 3 Remove the speaker 1 1 screw ...

Страница 251: ...ting the speaker attach the harness 1 to the upper side of the speaker So that the speaker harness connector can reach the main controller 1 F 4 439 Removing the Control Panel Unit MF4820d Procedure 1 Open the reader unit and remove the control panel support plate 2 Remove the 8 screws 1 on the back side of the control panel unit x8 1 1 3 Remove the control panel unit 1 4 claws 2 1 flat cable 3 F ...

Страница 252: ...he reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure F 4 442 2 Remove the tension unit 1 1 screw 2 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 strai...

Страница 253: ...er System Removing the Drive Belt MF4820d Procedure 1 2 x5 3 3 3 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 F 4 443 F 4 444 5 Remove the drive belt 1 Caution When assembling the drive gear install the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 446 F 4 445 ...

Страница 254: ...hown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed deceleration gear 8 Compression spring 9 Compression spring F 4 447 Caution Align the drive cover 2 with the 14 shaft holes 1 t...

Страница 255: ...move the left cover 2 Remove the copyboadr cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 449 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 450 Caution Ensure that the shutter open close lever 1 ca...

Страница 256: ...t the connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 3 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1 B 3 F 4 452 F 4 453 4 Free the motor harness 1 from the harness guide C 5 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C 6 Lower the tension unit 1 and remove the belt 2 1 2 F 4 454 F 4 455 ...

Страница 257: ...g the main motor be sure to install the harness 1 to the upper side of the motor 1 F 4 457 F 4 456 Removing the Engine Controller PCB MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main contro...

Страница 258: ...the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 460 F 4 459 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 7 1 2 3 3 3 A...

Страница 259: ...CB MF4820d Procedure 5 Remove the engine controller PCB 1 2 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 1 5 2 3 4 x4 F 4 463 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 464 ...

Страница 260: ... cables 1 and 3 connectors 2 x6 1 2 2 Remove the main controller PCB 1 1 screw bind 2 4 screws black TP 3 x5 1 2 3 3 3 F 4 465 F 4 466 Removing the Paper Leading Edge Sensor PCB MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main contr...

Страница 261: ...dure 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 469 F 4 468 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 x4 1 2 F 4 470 F 4 471 Remove the harness retaining spring 1 and 4 ...

Страница 262: ...d Procedure Disassembly Assembly Controller System Removing the Paper Leading Edge Sensor PCB MF4820d Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the paper leading edge sensor PCB 1 2 claws 2 x2 1 2 2 F 4 472 F 4 473 Note The below picture shows how to wind the harness F 4 474 ...

Страница 263: ... Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 475 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the...

Страница 264: ...g Delivery Paper Width Sensor PCB MF4820d Procedure 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 x4 1 2 F 4 478 F 4 479 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 F 4 480 F 4 481 Remove the harness retaining spring 1 and 4 connectors 2 ...

Страница 265: ...ulti Pickup Sensor Unit MF4820d Procedure Note The below picture shows how to wind the harness F 4 482 Removing the Toner Sensor and Multi Pickup Sensor Unit MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 483...

Страница 266: ...ti Pickup Sensor Unit MF4820d Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 484 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 485 2 Disconnect the 2 connectors 1 and put it through the hole A of the left side plate to the inside A A 1 1 x2 3 Remove the drum unit 1 1 F 4 486 F 4 48...

Страница 267: ...y Controller System Removing the Control Panel Unit D530 Procedure 4 Remove the toner sensor multi pickup sensor unit 1 wire saddle 2 1 claw 3 2 hooks 4 1 1 2 4 3 F 4 488 Removing the Control Panel Unit D530 Procedure 1 Remove the copyboard cover Procedure 1 Press the unlock button 1 and open the reader unit 2 1 2 F 4 489 ...

Страница 268: ...ntrol panel unit 1 1 flat cable 2 1 2 F 4 490 F 4 491 Removing the Drive Belt D530 Preparation 1 Remove the left cover Procedure 1 Close the reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure 2 Remove the tension unit 1 1...

Страница 269: ...lt D530 Procedure 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 straight above slowly to prevent the gear phase from becoming displaced 1 2 x5 3 3 F 4 493 F 4 494 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt 1 F 4 495 F 4 496 ...

Страница 270: ...ding to the position shown in the left picture 1 1 F 4 497 Caution Assemble the drive gear in the order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed deceleration gear 8 Co...

Страница 271: ...99 Removing the Main Motor D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the fla...

Страница 272: ...crews black TP 2 Caution When removing the scanner cover be sure that the cover does not get under A part of the right side plate A 1 A 1 1 x2 2 F 4 501 Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 502 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F...

Страница 273: ...hutter open close lever 1 can move vertically 1 F 4 504 3 Disconnect the 2 connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 F 4 505 4 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1 B 3 5 Free the motor harness 1 from the harness guide C 6 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C F 4 506 F 4 507 ...

Страница 274: ...embly Assembly Controller System Removing the Main Motor D530 Procedure 7 Lower the tension unit 1 and remove the belt 2 1 2 8 Remove the main motor 1 2 screws with washer 2 x2 2 1 F 4 508 F 4 509 Caution When installing the main motor be sure to install the harness 1 to the upper side of the motor 1 ...

Страница 275: ...er 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the flat cable in advance to prevent damage to the cable 2 Remove the scanner cover 1 2 screws black TP 2 Caution When removing the scanner co...

Страница 276: ...damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 511 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 512 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 513 3 Free the fan harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 c...

Страница 277: ...e main fan attach the harness 2 to the upper right side of the fan with the fan label 1 facing inwards 1 2 F 4 516 F 4 515 Removing the Engine Controller PCB D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 R...

Страница 278: ...he harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 519 F 4 518 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 6 connectors 3...

Страница 279: ...B D530 Procedure 5 Remove the engine controller PCB 1 5 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 x7 1 3 4 5 2 2 F 4 522 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 523 ...

Страница 280: ...ables 1 and connector 2 x4 2 1 2 Remove the main controller PCB 1 1 screw binding 2 4 screws black TP 3 1 2 x5 3 F 4 524 F 4 525 Removing the Paper Leading Edge Sensor PCB D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB...

Страница 281: ...isconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 528 F 4 527 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F...

Страница 282: ...0 Procedure Disassembly Assembly Controller System Removing the Paper Leading Edge Sensor PCB D530 Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the paper leading edge sensor PCB 1 2 claws 2 x2 1 2 2 F 4 531 F 4 532 Note The below picture shows how to wind the harness F 4 533 ...

Страница 283: ...ove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 2 3 1 F 4 534 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hol...

Страница 284: ...ivery Paper Width Sensor PCB D530 Procedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 537 F 4 538 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 F 4 539 F 4 540 ...

Страница 285: ... Removing the Multi Pickup Sensor Unit D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to discon...

Страница 286: ...er cover 1 2 screws black TP 2 Caution When removing the scanner cover be sure that the cover does not get under A part of the right side plate A 1 A 1 1 x2 2 F 4 542 Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 543 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scann...

Страница 287: ...re that the shutter open close lever 1 can move vertically 1 F 4 545 3 Remove the multi pickup sensor unit 1 1 wire saddle 2 1 claw 3 2 hooks 3 3 1 2 4 F 4 546 Removing the Control Panel Unit MF4780w MF4770n MF4750 MF4730 Procedure 1 Open the reader unit 1 and remove the control panel support plate 2 2 protrusions 3 1 2 3 2 Remove the 8 screws 1 on the back side of the control panel unit x8 1 1 F ...

Страница 288: ...panel unit 1 4 claws 2 1 flat cable 3 x4 3 1 2 2 F 4 549 Removing the Drive Belt MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the right cover Procedure 1 Close the reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure ...

Страница 289: ...lt MF4780w MF4770n MF4750 MF4730 Procedure 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 straight above slowly to prevent the gear phase from becoming displaced 1 2 x5 3 3 F 4 551 F 4 552 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt 1 F 4 553 F 4 554 ...

Страница 290: ...the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 555 Caution Assemble the drive gear in the order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Fe...

Страница 291: ...70n MF4750 MF4730 Procedure Caution Align the drive cover 2 with the 14 shaft holes 1 to mount it 2 1 1 1 F 4 557 Removing the Main Motor MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 558 ...

Страница 292: ...on When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 559 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 560 2 Disconnect the connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 3 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook...

Страница 293: ...0w MF4770n MF4750 MF4730 Procedure 4 Free the motor harness 1 from the harness guide C 5 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C 6 Lower the tension unit 1 and remove the belt 2 1 2 F 4 563 F 4 564 7 Remove the main motor 1 2 screws with washer 2 x2 2 1 Caution When installing the main motor be sure to install the harness 1 to the upper side of the motor 1 F 4 566 F 4 565 ...

Страница 294: ...the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure MF4730 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 MF4780w MF4770n MF4750 MF4730 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black ...

Страница 295: ...ting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 570 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 571 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 6 connectors 3 x8 1 3 2 3 A 5 Remove the engine controller PCB 1 5 screws with washers 2 1 screw with tooth lock was...

Страница 296: ...mbling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 574 Removing the Main Controller PCB MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover Procedure 1 Remove the 3 flat cables 1 and 3 connectors 2 x6 1 2 2 Remove the main controller PCB 1 1 s...

Страница 297: ...F4780w Procedure Removing the FAX NCU PCB MF4780w MF4770n MF4750 Preparation 1 Remove the left cover Procedure 1 Remove the FAX NCU PCB 1 1 flat cable 2 2 connectors 3 1 protrusion 4 3 screws 5 1 2 3 4 5 5 5 x3 x4 F 4 577 Removing the Wireless LAN PCB MF4780w Preparation 1 Remove the left cover Procedure 1 Remove the wireless LAN PCB 1 flat cable 2 1 screw 3 1 2 3 F 4 578 ...

Страница 298: ... 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4780w MF4770n MF4750 9 Remove the wireless LAN PCB MF4780w Procedure MF4730 1 Remove the main controller mounting plate 1 1 screw with washers 2 1 screws black TP 3 x2 1 2 3 MF4780w MF4770n MF4750 1 Remove the main controller mou...

Страница 299: ...ng Edge Sensor PCB MF4780w MF4770n MF4750 MF4730 Procedure Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 582 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 583 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 584 F 4 ...

Страница 300: ... Fixing Delivery Paper Width Sensor PCB MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4780w MF4770n MF4750 9 Remove the wireless LAN PCB MF4780w Procedure MF4730 1 Remove ...

Страница 301: ...dge Sensor PCB MF4780w MF4770n MF4750 MF4730 Procedure x6 1 2 3 2 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 589 F 4 590 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 591 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A ...

Страница 302: ... Removing the Paper Leading Edge Sensor PCB MF4780w MF4770n MF4750 MF4730 Procedure 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 593 F 4 594 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 Note The below picture shows how to wind the harness it F 4 596 F 4 595 ...

Страница 303: ...Multi Pickup Sensor Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 597 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover ...

Страница 304: ...A of the left side plate to the inside A A 1 1 3 Remove the toner sensor and multi pickup sensor unit 1 1 wire saddle 2 1 claw 3 2 hooks 4 3 1 1 2 4 F 4 600 F 4 601 Removing the Speaker MF4780w MF4770n MF4750 Preparation 1 Remove the left cover 2 Remove the right cover 3 Remove the front cover unit Procedure 1 Disconnect the speaker harness 1 and put it through the hole A of the left side plate to...

Страница 305: ...w MF4770n MF4750 Procedure 2 Free the speaker harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 1 A B 3 Remove the speaker 1 1 screw 2 1 2 F 4 603 F 4 604 Caution When mounting the speaker attach the harness 1 to the upper side of the speaker So that the speaker harness connector can reach the main controller 1 F 4 605 ...

Страница 306: ...t plate 2 Remove the 8 screws 1 on the back side of the control panel unit x8 1 1 3 Remove the control panel unit 4 claws 1 flat cable F 4 606 F 4 607 Removing the Drive Belt MF4720w MF4712 MF4710 Preparation 1 Remove the left cover Procedure 1 Close the reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its...

Страница 307: ...t MF4720w MF4712 MF4710 Procedure 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 straight above slowly to prevent the gear phase from becoming displaced 1 2 x5 3 3 3 F 4 609 F 4 610 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt 1 F 4 611 F 4 612 ...

Страница 308: ...ridge arm 1 according to the position shown in the left picture 1 1 F 4 613 Caution Assemble the drive gear in the order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed decel...

Страница 309: ...712 MF4710 Procedure Caution Align the drive cover 2 with the 14 shaft holes 1 to mount it 2 1 1 1 F 4 615 Removing the Main Motor MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 616 ...

Страница 310: ...mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 617 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 618 2 Disconnect the connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2 x2 3 x2 1 3 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1...

Страница 311: ...0w MF4712 MF4710 Procedure 4 Free the motor harness 1 from the harness guide C 5 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C 6 Lower the tension unit 1 and remove the belt 2 1 2 F 4 621 F 4 622 7 Remove the main motor 1 2 screws with washer 2 x2 2 1 Caution When installing the main motor be sure to install the harness 1 to the upper side of the motor 1 F 4 624 F 4 623 ...

Страница 312: ...ove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 625 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hol...

Страница 313: ...w MF4712 MF4710 Procedure 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 7 1 2 3 3 3 A x9 3 connectors 3 F 4 628 F 4 629 5 Remove the engine controller PCB 1 2 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 1 5 2 3 4 x4 F 4...

Страница 314: ...ng attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 631 Removing the Main Controller PCB MF4720w MF4712 MF4710 Preparation 1 Remove the left cover Procedure 1 Remove the 3 flat cables 1 and 3 connectors 2 x6 1 2 2 Remove the main controller PCB 1 1 screw bind 2 ...

Страница 315: ... cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 634 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it thr...

Страница 316: ...g the Paper Leading Edge Sensor PCB MF4720w MF4712 MF4710 Procedure 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 x4 1 2 F 4 637 F 4 638 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the paper leading edge sensor PCB 1 2 claws 2 x2 1 2 2 F 4 639 F 4 640 Remove the harness retaining spring 1 and 4 connectors 2 ...

Страница 317: ... The below picture shows how to wind the harness F 4 641 Removing the Fixing Delivery Paper Width Sensor PCB MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounti...

Страница 318: ...20w MF4712 MF4710 Procedure 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 644 F 4 643 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 x4 1 2 F 4 645 F 4 646 Remove the harness re...

Страница 319: ...Disassembly Assembly Controller System Removing the Fixing Delivery Paper Width Sensor PCB MF4720w MF4712 MF4710 Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 F 4 647 F 4 648 Note The below picture shows how to wind the harness F 4 649 ...

Страница 320: ... and Multi Pickup Sensor Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 650 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cov...

Страница 321: ...y Controller System Removing the Toner Sensor and Multi Pickup Sensor Unit MF4720w MF4712 MF4710 Procedure 2 Disconnect the 2 connectors 1 and put it through the hole A of the left side plate to the inside A A 1 1 x2 3 Remove the drum unit 1 1 F 4 653 F 4 654 4 Remove the toner sensor multi pickup sensor unit 1 wire saddle 2 1 claw 3 2 hooks 4 1 1 2 4 3 F 4 655 ...

Страница 322: ...tem Removing the Control Panel Unit L418S L410 L190 Procedure Removing the Control Panel Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the DADF unit Procedure 1 1 2 2 x2 F 4 656 2 Remove the control panel unit 1 1 2 F 4 657 Lift the control panel unit 1 as shown below and release 2 claws 2 ...

Страница 323: ...e reader unit 1 and place the host machine with its left side down Caution Be sure to hold the reader unit firmly when turning the machine with its left side down because the reader unit will be forced open by hinge spring pressure 2 Remove the tension unit 1 1 screw 2 F 4 658 1 2 3 Remove the shaft support 1 and remove the drive cover 2 5 screws 3 Caution Be sure to raise the drive cover 2 straig...

Страница 324: ...ly Controller System Removing the Drive Belt L418S L410 L190 Procedure 4 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 5 Remove the drive belt 1 F 4 661 F 4 662 Caution When assembling the drive gear install the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 663 ...

Страница 325: ... order shown in the below picture 1 2 3 4 5 6 7 8 9 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ratchet gear 8 Compression spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear 6 Gear coupling 7 Feed deceleration gear 8 Compression spring 9 Compression spring F 4 664 Caution Align the drive cover 2 with the 14 shaft h...

Страница 326: ...the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the flat cable in advance to prevent damage to the cable F 4 666 2 Remove the scanner cover 1 2 screws black TP 2 Caution When re...

Страница 327: ...e scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 668 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 669 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 670 3 Disconnect the 2 connectors 1 and remove the motor driver PCB 2 2 claws 3 1 hook 4 4 2...

Страница 328: ...10 L190 Procedure 4 Free the harness from the harness guide A and B and remove the duplex relay PCB 1 1 claw 2 1 hook 3 A 2 1 B 3 5 Free the motor harness 1 from the harness guide C 6 Remove the motor guide 2 1 screw 3 1 hook 4 3 1 2 4 C F 4 672 F 4 673 7 Lower the tension unit 1 and remove the belt 2 1 2 8 Remove the main motor 1 2 screws with washer 2 x2 2 1 F 4 674 F 4 675 ...

Страница 329: ...per side of the motor 1 Removing the Main Fan L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be su...

Страница 330: ...ver 1 2 screws black TP 2 Caution When removing the scanner cover be sure that the cover does not get under A part of the right side plate A 1 A 1 1 x2 2 F 4 676 Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 677 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner co...

Страница 331: ...pen close lever 1 can move vertically 1 F 4 679 3 Free the fan harness 1 from the harness guide A and put it through the hole B of the right side plate to the outside 1 connector 2 2 1 A B F 4 680 4 Free the harness from the guide A and remove the main fan 1 2 claws 2 x2 1 2 A Caution When mounting the main fan attach the harness 2 to the upper right side of the fan with the fan label 1 facing inw...

Страница 332: ...Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 3 2 2 F 4 683 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put i...

Страница 333: ...cedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and free the harness from the guide A 2 flat cables 2 6 connectors 3 7 connectors 3 1 2 3 3 3 A x9 3 F 4 686 F 4 687 5 Remove the engine controller PCB 1 5 screws with washers 2 1 screw with tooth lock washer 3 1 screw black TP 4 1 hook 5 1 5 2 3 4 ...

Страница 334: ...ling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 3 1 2 3 2 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 689 Removing the Main Controller PCB L418S L410 L190 Preparation 1 Remove the left cover Procedure 1 Remove the 4 flat cables 1 and 6 connectors 2 x10 1 2 1 1 2 2 Remove the main controller PCB 1 5 screws bla...

Страница 335: ... LAN PCB L418S L410 L190 Procedure Removing the FAX NCU PCB L418S L410 L190 Preparation 1 Remove the left cover Procedure 1 Remove the FAX NCU PCB 1 1 flat cable 2 1 connector 3 3 screws 4 x3 x2 1 2 4 4 3 F 4 692 Removing the Wireless LAN PCB L418S L410 L190 Preparation 1 Remove the left cover Procedure 1 Remove the wireless LAN PCB 1 flat cable 2 1 screw 3 1 2 3 F 4 693 ...

Страница 336: ...ader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washers 2 2 screws black TP 3 x6 1 3 2 2 F 4 694 2 Disconnect the terminal 1 free the harness 2 from the harness guide A a...

Страница 337: ...g the Paper Leading Edge Sensor PCB L418S L410 L190 Procedure 3 Remove the harness spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 697 F 4 698 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the paper leading edge sensor PCB 1 2 claws 2 x2 1 2 2 F 4 699 F 4 700 ...

Страница 338: ...o wind the harness F 4 701 Removing the Fixing Delivery Paper Width Sensor PCB L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main cont...

Страница 339: ...0 L190 Procedure 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 704 F 4 703 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 c...

Страница 340: ...Disassembly Assembly Controller System Removing the Fixing Delivery Paper Width Sensor PCB L418S L410 L190 Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the fixing delivery paper width sensor PCB 1 1 connector 2 claws 3 x2 2 3 3 1 F 4 707 F 4 708 Note The below picture shows how to wind the harness F 4 709 ...

Страница 341: ...Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the flat cable in advance to prevent damage to the cable F 4 710 2 Remove the scann...

Страница 342: ...Procedure Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 712 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 713 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 714 3 Remove the toner sensor multi pickup sensor unit 1 wi...

Страница 343: ...ker L418S L410 L190 Procedure Removing the Speaker L418S L410 L190 Preparation 1 Remove the left cover Procedure 1 Disconnect harness from the guide A and remove the speaker 1 1 connector 2 2 wire saddles 3 1 screw 4 1 2 3 A 4 F 4 716 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 F 4 717 ...

Страница 344: ...tion 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 718 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in...

Страница 345: ...ponge 3 1 x4 2 2 3 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 721 F 4 722 Removing the Laser Scanner Unit MF4870dn 4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required ...

Страница 346: ...r Unit MF4870dn 4830d Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 724 F 4 725 2 Move the laser scanner unit 1 4 screws 2 1 sponge 3 1 x4 2 2 3 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 726 F 4 727 ...

Страница 347: ...2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 728 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A ...

Страница 348: ...732 Removing the Laser Scanner Unit D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to t...

Страница 349: ... cover 1 2 screws black TP 2 Caution When removing the scanner cover be sure that the cover does not get under A part of the right side plate A 1 A 1 1 x2 2 F 4 734 Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 735 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner...

Страница 350: ...bly Assembly Laser Exposure System Removing the Laser Scanner Unit D530 Procedure Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 737 3 Move the laser scanner unit 1 4 screws 2 1 sponge 3 1 x4 2 2 3 F 4 738 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 739 ...

Страница 351: ...Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required 1 Remove the scanner cover 1 2 screws black TP 2 1 x2 2 F 4 740 Caution When mounting the scanner cover pass the shutter open close lever 1 through the ho...

Страница 352: ...sponge 3 1 x4 2 2 3 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 743 F 4 744 Removing the Laser Scanner Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustmen...

Страница 353: ...r Unit MF4720w MF4712 MF4710 Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 746 F 4 747 2 Move the laser scanner unit 1 4 screws 2 1 sponge 3 1 x4 2 2 3 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 748 F 4 749 ...

Страница 354: ...the front cover unit 5 Remove the upper cover Procedure Caution Do not disassemble the laser scanner unit because adjustment is required 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the flat cable in advance to prevent damage to the cable F 4 750 2 Remove...

Страница 355: ...edure Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 752 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 753 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 754 3 Move the laser scanner unit 1 4 screws 2 1 sponge 3 1 x4 ...

Страница 356: ...ure System Removing the Laser Scanner Unit L418S L410 L190 Procedure Disassembly Assembly Laser Exposure System Removing the Laser Scanner Unit L418S L410 L190 Procedure 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 x2 1 2 3 F 4 756 ...

Страница 357: ... Transfer Roller MF4890dw MF4880dw Procedure Image Formation System Removing the Transfer Roller MF4890dw MF4880dw Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 2 1 3 2 Remove the transfer roller bushing 1 2 claws 2 F 4 757 1 1 2 2 x2 F 4 758 ...

Страница 358: ... remove the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 1 2 F 4 759 F 4 760 Removing the Transfer Roller MF4870dn MF4830d Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 2 1 3 2 Remove t...

Страница 359: ...ve the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 1 2 F 4 763 F 4 764 Removing the Transfer Roller MF4820d Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 1 2 1 2 Remove the transfer ro...

Страница 360: ...e the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 2 1 F 4 767 F 4 768 Removing the Transfer Roller D530 Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 1 2 1 2 Remove the transfer roller...

Страница 361: ...er and remove the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 2 1 F 4 771 F 4 772 Removing the Transfer Roller MF4780w MF4770n MF4750 MF4730 Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit...

Страница 362: ...nd remove the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 1 2 F 4 775 F 4 776 Removing the Transfer Roller MF4720w MF4712 MF4710 Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 1 2 1 2 R...

Страница 363: ...remove the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 2 1 F 4 779 F 4 780 Removing the Transfer Roller L418S L410 L190 Procedure Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 and remove the drum unit 3 3 2 1 2 Remove the...

Страница 364: ...edure Disassembly Assembly Image Formation System Removing the Transfer Roller L418S L410 L190 Procedure 3 Hold both shafts 1 of the transfer roller and remove the roller 2 Caution When installing the transfer roller to the host machine be sure to fit the protrusion 2 to the spring 1 1 2 1 2 1 F 4 783 F 4 784 ...

Страница 365: ...ove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 F 4 785 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it t...

Страница 366: ...move the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A F 4 788 F 4 789 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 8 Remove the harness holder 1 1 claw 2 1 2 F 4 790 F ...

Страница 367: ...dw Procedure 9 Remove the shaft support 1 of the delivery roller 1 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 F 4 792 F 4 793 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 Note The below picture shows how to wind the harness F 4 795 ...

Страница 368: ...he right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn Procedure MF4830d 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 796 MF4870dn 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 2 ...

Страница 369: ...nal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 799 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 800 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A 7 Disengage the fixing harness 4 from the harness holder ...

Страница 370: ...F4830d Procedure 8 Remove the harness holder 1 1 claw 2 1 2 9 Remove the shaft support 1 of the delivery roller 1 F 4 803 F 4 804 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 F 4 805 ...

Страница 371: ...s how to wind the harness F 4 807 Removing the Fixing Assembly MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3...

Страница 372: ... guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 810 F 4 809 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harne...

Страница 373: ...ly Fixing System Removing the Fixing Assembly MF4820d Procedure 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 8 Remove the harness holder 1 1 claw 2 1 2 F 4 813 F 4 814 9 Remove the shaft support 1 of the delivery roller 1 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 F 4 815 F 4 816 ...

Страница 374: ... it through the harness guide A and then mount the connector 3 A 1 2 3 Note The below picture shows how to wind the harness F 4 818 Removing the Fixing Assembly D530 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remo...

Страница 375: ...ide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 821 F 4 820 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness ...

Страница 376: ...ly Fixing System Removing the Fixing Assembly D530 Procedure 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 8 Remove the harness holder 1 1 claw 2 1 2 F 4 824 F 4 825 9 Remove the shaft support 1 of the delivery roller 1 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 F 4 826 F 4 827 ...

Страница 377: ...nt the connector 3 A 1 2 3 Note The below picture shows how to wind the harness F 4 829 Removing the Fixing Assembly MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4780w MF...

Страница 378: ...e the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 2 3 1 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 831 F 4 832 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 833 3 Remove the harness retaining spring 1 from the hook 2 and free the ha...

Страница 379: ... MF4770n MF4750 MF4730 Procedure 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 F 4 835 F 4 836 8 Remove the harness holder 1 1 claw 2 1 2 9 Remove the shaft support 1 of the delivery roller 1 F 4 837 F 4 838 ...

Страница 380: ...Fixing Assembly MF4780w MF4770n MF4750 MF4730 Procedure 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 F 4 839 Note The below picture shows how to wind the harness F 4 841 ...

Страница 381: ...oard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 2 3 1 F 4 842 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B...

Страница 382: ...3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A F 4 845 F 4 846 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 8 Remove the harness holder 1 1 claw 2 1 2 F 4 84...

Страница 383: ...MF4710 Procedure 9 Remove the shaft support 1 of the delivery roller 1 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 F 4 849 F 4 850 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 Note The below picture shows how to wind the harness F 4 852 ...

Страница 384: ...ght cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 F 4 853 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the...

Страница 385: ...ve the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 x4 2 2 1 1 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A F 4 856 F 4 857 7 Disengage the fixing harness 4 from the harness holder 3 1 1 4 3 A 2 x4 8 Remove the harness holder 1 1 claw 2 1 2 F 4 858 F 4 ...

Страница 386: ... Procedure 9 Remove the shaft support 1 of the delivery roller 1 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 F 4 860 F 4 861 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 Note The below picture shows how to wind the harness F 4 863 ...

Страница 387: ...e the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB 10 Remove the separation pad Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 F 4 864 2 Disconnect the terminal 1 free the harness 2 from the harnes...

Страница 388: ...ding System Removing the Pickup Unit MF4890dw MF4880dw Procedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 867 F 4 868 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the shaft retainer 1 1 F 4 869 F 4 870 ...

Страница 389: ...nit MF4890dw MF4880dw Procedure 7 Face the front of the host machine downwards 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 F 4 871 F 4 872 9 Remove the pickup unit 2 while opening the pickup tray 1 2 1 Caution When installing removing the pickup unit be sure to do so while opening the pickup tray Note The below picture shows how to wind the harness F 4 874 F 4 873 ...

Страница 390: ...ation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remove the 4 screws black TP 1 and 6 screws 2 x10 2 2 1 2 Remove the pickup tray unit 1 2 boss holes 2 2 hooks 3 2 bosses 4 F 4 875 Caution When assembling disassembling the pickup ...

Страница 391: ...embly Assembly Pickup And Feeding System Removing the Pickup Tray Unit MF4890dw MF4880dw Procedure Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 Caution When assembling the pickup tray unit check the positioning of the 6 bosses 1 in the unit 1 ...

Страница 392: ... Procedure Removing the Pickup Roller MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup roller 1 2 claws 2 Caution Do not touch the surface of the roller 1 x2 ...

Страница 393: ...3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 F 4 878 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put...

Страница 394: ...Solenoid MF4890dw MF4880dw Procedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 881 F 4 882 5 Free the pickup solenoid harness 1 from the harness guide A 1 A 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 883 F 4 884 ...

Страница 395: ... Removing the Separation Pad MF4890dw MF4880dw Procedure Caution The below picture shows how to wind the harness Removing the Separation Pad MF4890dw MF4880dw Procedure Caution When assembling disassembling the separation pad do not touch the surface of the 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 x2 2 F 4 885 ...

Страница 396: ... Feed Unit MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Open the rear cover 1 and remove the duplex guide 2 2 claws 3 x2 1 3 2 F 4 886 2 Remove the 2 screws TP 1 and 2 screws tapping 2 using a stubby screwdriver x4 1 1 2 3 Close the rear cover 4 Face the front...

Страница 397: ...uplex Solenoid MF4890dw MF4880dw Procedure 5 Remove the duplex feed unit 1 1 claw 2 2 hooks 3 2 1 3 F 4 889 Removing the Duplex Solenoid MF4890dw MF4880dw Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 890 ...

Страница 398: ...w MF4880dw Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 891 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 892 2 Free the solenoid harness 1 from the guide A and put it through the hole B of the right side plate to the outside 2 A 1 B 3 Remove the duplex solenoid 1 1 2 F 4 893 F 4...

Страница 399: ... 4 in the side panel to mount the solenoid 4 3 1 2 Removing the Pickup Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn 9 Remove the separation pad Procedure MF4870dn 1 Remove...

Страница 400: ... MF4870dn MF4830d Procedure x2 1 2 3 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 896 F 4 897 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 898 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 899 ...

Страница 401: ...embly Assembly Pickup And Feeding System Removing the Pickup Unit MF4870dn MF4830d Procedure 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 900 F 4 901 6 Remove the shaft retainer 1 1 7 Face the front of the host machine downwards F 4 902 F 4 903 ...

Страница 402: ...ystem Removing the Pickup Unit MF4870dn MF4830d Procedure 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 9 Remove the pickup unit 2 while opening the pickup tray 1 2 1 Caution When installing removing the pickup unit be sure to do so while opening the pickup tray F 4 904 F 4 905 Note The below picture shows how to wind the harness F 4 906 ...

Страница 403: ...ion 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remove the 4 screws black TP 1 and 6 screws 2 x10 2 2 1 2 Remove the pickup tray unit 1 2 boss holes 2 2 hooks 3 2 bosses 4 F 4 907 Caution When assembling disassembling the pickup tr...

Страница 404: ...embly Assembly Pickup And Feeding System Removing the Pickup Tray Unit MF4870dn MF4830d Procedure Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 Caution When assembling the pickup tray unit check the positioning of the 6 bosses 1 in the unit 1 ...

Страница 405: ...Procedure Removing the Pickup Roller MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup roller 1 2 claws 2 Caution Do not touch the surface of the roller 1 x2 1 ...

Страница 406: ...t 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4870dn Procedure MF4870dn 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 MF4830d 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 F 4 910...

Страница 407: ...d MF4870dn MF4830d Procedure Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 913 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 914 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Free the pickup solenoid harness 1 from the harness guide A 1 A F 4 915 F 4 916 ...

Страница 408: ... Procedure 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 Caution The below picture shows how to wind the harness F 4 917 Removing the Separation Pad MF4870dn MF4830d Procedure Caution When assembling disassembling the separation pad do not touch the surface of the 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 ...

Страница 409: ... Feed Unit MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Open the rear cover 1 and remove the duplex guide 2 2 claws 3 x2 1 3 2 F 4 919 2 Remove the 2 screws TP 1 and 2 screws tapping 2 using a stubby screwdriver x4 1 1 2 3 Close the rear cover 4 Face the front ...

Страница 410: ...uplex Solenoid MF4870dn MF4830d Procedure 5 Remove the duplex feed unit 1 1 claw 2 2 hooks 3 2 1 3 F 4 922 Removing the Duplex Solenoid MF4870dn MF4830d Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 923 ...

Страница 411: ...n MF4830d Procedure Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 924 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 925 2 Free the solenoid harness 1 from the guide A and put it through the hole B of the right side plate to the outside 2 A 1 B 3 Remove the duplex solenoid 1 1 2 F 4 926 F 4 ...

Страница 412: ...d insert the 2 solenoid positioning protrusions 3 into the 2 positioning holes 4 in the side panel to mount the solenoid 4 3 1 2 Removing the Pickup Unit MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Re...

Страница 413: ...ct the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 930 F 4 929 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 931 ...

Страница 414: ...sembly Assembly Pickup And Feeding System Removing the Pickup Unit MF4820d Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the shaft retainer 1 1 F 4 933 F 4 934 7 Face the front of the host machine downwards 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 F 4 935 F 4 936 ...

Страница 415: ...t be sure to do so while opening the pickup tray Note The below picture shows how to wind the harness F 4 938 F 4 937 Removing the Pickup Tray Unit MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remove the 4 ...

Страница 416: ...ickup And Feeding System Removing the Pickup Tray Unit MF4820d Procedure Caution When assembling disassembling the pickup tray unit hold the pickup tray 1 down to attach release it 1 2 4 1 2 3 2 3 F 4 940 Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 ...

Страница 417: ... unit check the positioning of the 6 bosses 1 in the unit 1 Removing the Pickup Roller MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup roller 1 2 claws 2 Caution...

Страница 418: ...ocedure x2 1 2 F 4 941 Removing the Pickup Solenoid MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 942 ...

Страница 419: ...onnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 944 F 4 943 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 ...

Страница 420: ...sassembly Assembly Pickup And Feeding System Removing the Pickup Solenoid MF4820d Procedure 5 Free the pickup solenoid harness 1 from the harness guide A 1 A 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 947 F 4 948 Caution The below picture shows how to wind the harness ...

Страница 421: ...isassembling the separation pad do not touch the surface of the separation pad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 x2 2 F 4 949 Removing the Duplex Feed Unit MF4820d Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 ...

Страница 422: ...ly Assembly Pickup And Feeding System Removing the Duplex Feed Unit MF4820d Procedure 2 Remove the 2 screws TP 1 and 2 screws tapping 2 using a stubby screwdriver x4 1 1 2 3 Close the rear cover 4 Face the front of the host machine downwards F 4 951 F 4 952 5 Remove the duplex feed unit 1 1 claw 2 2 hooks 3 2 1 3 F 4 953 ...

Страница 423: ...Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the scanner cover 1 2 screws black TP 2 x2 1 2 F 4 954 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 955 Caution Ensure that the shutter open ...

Страница 424: ... 2 Free the solenoid harness 1 from the guide A and put it through the hole B of the right side plate to the outside 2 A 1 B 3 Remove the duplex solenoid 1 1 2 F 4 957 F 4 958 Caution When mounting the duplex solenoid align the solenoid lever 1 with the groove in the link 2 and insert the 2 solenoid positioning protrusions 3 into the 2 positioning holes 4 in the side panel to mount the solenoid 4 ...

Страница 425: ...r unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 959 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connec...

Страница 426: ...ding System Removing the Pickup Unit D530 Procedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 962 F 4 963 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the shaft retainer 1 1 F 4 964 F 4 965 ...

Страница 427: ...nit D530 Procedure 7 Face the front of the host machine downwards 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 F 4 966 F 4 967 9 Remove the pickup unit 2 while opening the pickup tray 1 2 1 Caution When installing removing the pickup unit be sure to do so while opening the pickup tray Note The below picture shows how to wind the harness F 4 969 F 4 968 ...

Страница 428: ... cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remove the 4 screws black TP 1 and 6 screws 2 x10 2 2 1 2 Remove the pickup tray unit 1 2 boss holes 2 2 hooks 3 2 bosses 4 F 4 970 Caution When assembling disassembling the pickup tray unit hold th...

Страница 429: ...embly Assembly Pickup And Feeding System Removing the Pickup Tray Unit D530 Procedure Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 Caution When assembling the pickup tray unit check the positioning of the 6 bosses 1 in the unit 1 ...

Страница 430: ... Removing the Pickup Roller D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup roller 1 2 claws 2 Caution Do not touch the surface of the roller 1 x2 1 2 F 4 972 ...

Страница 431: ... reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP 3 x2 1 2 3 F 4 973 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When ...

Страница 432: ...Solenoid D530 Procedure 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 F 4 976 F 4 977 5 Free the pickup solenoid harness 1 from the harness guide A 1 A 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 978 F 4 979 ...

Страница 433: ... Removing the Separation Pad D530 Procedure Caution The below picture shows how to wind the harness Removing the Separation Pad D530 Procedure Caution When assembling disassembling the separation pad do not touch the surface of the separation pad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 x2 F 4 980 ...

Страница 434: ...t D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Open the rear cover 1 and remove the duplex guide 2 2 claws 3 x2 1 2 3 F 4 981 2 Remove the 2 screws TP 1 and 2 screws tapping 2 using a stubby screwdriver x4 2 1 2 3 Close the rear cover 4 Face the front of the host mac...

Страница 435: ...84 Removing the Duplex Solenoid D530 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect th...

Страница 436: ...r cover 1 2 screws black TP 2 Caution When removing the scanner cover be sure that the cover does not get under A part of the right side plate A 1 A 1 1 x2 2 F 4 986 Caution When install the scanner cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 987 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanne...

Страница 437: ... can move vertically 1 F 4 989 3 Free the solenoid harness 1 from the guide A and put it through the hole B of the right side plate to the outside 1 connector 2 2 A 1 B F 4 990 4 Remove the duplex solenoid 1 1 2 Caution When mounting the duplex solenoid align the solenoid lever 1 with the groove in the link 2 and insert the 2 solenoid positioning protrusions 3 into the 2 positioning holes 4 in the...

Страница 438: ... right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4780w MF4770n MF4750 9 Remove the separation pad Procedure MF4780w MF4770n MF4750 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 1 2 3 2 MF4730 1 Remove the main controller mounting plate 1 1 screw...

Страница 439: ...nit MF4780w MF4770n MF4750 MF4730 Procedure Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 995 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F 4 996 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Remove the harness 1 from the guide A and B 1 A 1 B F 4 997 F 4 998 ...

Страница 440: ... Pickup Unit MF4780w MF4770n MF4750 MF4730 Procedure 6 Remove the shaft retainer 1 1 7 Face the front of the host machine downwards F 4 999 F 4 1000 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 9 Remove the pickup unit 2 while opening the pickup tray 1 2 1 Caution When installing removing the pickup unit be sure to do so while opening the pickup tray F 4 1001 F 4 1002 ...

Страница 441: ... picture shows how to wind the harness F 4 1003 Removing the Pickup Tray Unit MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remove the 4 screws black TP 1 and 6 screws 2 x10 2 2 1 2 Remove th...

Страница 442: ...ckup And Feeding System Removing the Pickup Tray Unit MF4780w MF4770n MF4750 MF4730 Procedure Caution When assembling disassembling the pickup tray unit hold the pickup tray 1 down to attach release it 1 2 4 1 2 3 2 3 F 4 1005 Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 ...

Страница 443: ...he pickup tray unit check the positioning of the 6 bosses 1 in the unit 1 Removing the Pickup Roller MF4780w MF4770n MF4750 MF4730 Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pic...

Страница 444: ...Preparation 1 Remove the left cover 2 Remove the SADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB MF4780w 9 Remove the wireless LAN PCB MF4780w Procedure MF4780w MF4770n MF4750 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws ...

Страница 445: ...id MF4780w MF4770n MF4750 MF4730 Procedure x2 1 2 3 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B F 4 1008 F 4 1009 Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 1010 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A F...

Страница 446: ...System Removing the Pickup Solenoid MF4780w MF4770n MF4750 MF4730 Procedure 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 5 Free the pickup solenoid harness 1 from the harness guide A 1 A F 4 1012 F 4 1013 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 Caution The below picture shows how to wind the harness F 4 1014 ...

Страница 447: ...pad do not touch the surface of the separation pad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 x2 2 F 4 1015 Removing the Pickup Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit ...

Страница 448: ...e 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 1018 F 4 1017 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x...

Страница 449: ...mbly Assembly Pickup And Feeding System Removing the Pickup Unit MF4720w MF4712 MF4710 Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the shaft retainer 1 1 F 4 1021 F 4 1022 7 Face the front of the host machine downwards 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 F 4 1023 F 4 1024 ...

Страница 450: ...p unit be sure to do so while opening the pickup tray Note The below picture shows how to wind the harness F 4 1026 F 4 1025 Removing the Pickup Tray Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Proc...

Страница 451: ...ckup And Feeding System Removing the Pickup Tray Unit MF4720w MF4712 MF4710 Procedure Caution When assembling disassembling the pickup tray unit hold the pickup tray 1 down to attach release it 1 2 4 1 2 3 2 3 F 4 1028 Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 1 2 2 3 ...

Страница 452: ...tray unit check the positioning of the 6 bosses 1 in the unit 1 Removing the Pickup Roller MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup rol...

Страница 453: ...710 Procedure x2 1 2 F 4 1029 Removing the Pickup Solenoid MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 Remove the copyboard cover and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB Procedure 1 Remove the main controller mounting plate 1 1 screw with washer 2 1 screw black TP ...

Страница 454: ...edure 2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 1032 F 4 1031 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors...

Страница 455: ...assembly Assembly Pickup And Feeding System Removing the Pickup Solenoid MF4720w MF4712 MF4710 Procedure 5 Free the pickup solenoid harness 1 from the harness guide A 1 A 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 1035 F 4 1036 Caution The below picture shows how to wind the harness ...

Страница 456: ...ad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 x5 x2 2 F 4 1037 Removing the Pickup Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 ...

Страница 457: ...sconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 1040 F 4 1039 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 1 2 ...

Страница 458: ...mbly Assembly Pickup And Feeding System Removing the Pickup Unit L418S L410 L190 Procedure 5 Remove the harness 1 from the guide A and B 1 A 1 B 6 Remove the shaft retainer 1 1 F 4 1043 F 4 1044 7 Face the front of the host machine downwards 8 Remove the 6 screws TP 1 and the screw with washer 2 x7 2 1 1 F 4 1045 F 4 1046 ...

Страница 459: ...p unit be sure to do so while opening the pickup tray Note The below picture shows how to wind the harness F 4 1048 F 4 1047 Removing the Pickup Tray Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad Procedure 1 Remo...

Страница 460: ...ckup And Feeding System Removing the Pickup Tray Unit L418S L410 L190 Procedure Caution When assembling disassembling the pickup tray unit hold the pickup tray 1 down to attach release it 1 2 1 4 2 3 2 3 F 4 1050 Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 1 2 2 3 1 ...

Страница 461: ...up tray unit check the positioning of the 6 bosses 1 in the unit 1 Removing the Pickup Roller L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the separation pad 8 Remove the pickup tray unit Procedure 1 Remove the pickup roller 1 2 claws ...

Страница 462: ... Removing the Pickup Solenoid L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover 6 Remove the duplex feed unit 7 Remove the main controller PCB 8 Remove the FAX NCU PCB 9 Remove the wireless LAN PCB Procedure 1 Remove the main controller mounting plate 1 4 screws with washer 2 2 ...

Страница 463: ...2 Disconnect the terminal 1 free the harness 2 from the harness guide A and then put it through the hole B 1 2 A 2 B Caution When connecting the terminal 1 be sure that the contact spring 2 is in contact with it 2 1 F 4 1054 F 4 1053 3 Remove the harness retaining spring 1 from the hook 2 and free the harness 3 from the guide A 1 2 3 A 4 Remove the harness retaining spring 1 and 4 connectors 2 x4 ...

Страница 464: ...assembly Assembly Pickup And Feeding System Removing the Pickup Solenoid L418S L410 L190 Procedure 5 Free the pickup solenoid harness 1 from the harness guide A 1 A 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 1057 F 4 1058 Caution The below picture shows how to wind the harness ...

Страница 465: ...sembling disassembling the separation pad do not touch the surface of the separation pad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 x5 x2 1 2 F 4 1059 Removing the Duplex Feed Unit L418S L410 L190 Preparation 1 Remove the left cover 2 Remove the DADF unit and reader unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover...

Страница 466: ... Assembly Pickup And Feeding System Removing the Duplex Feed Unit L418S L410 L190 Procedure 2 Remove the 2 screws TP 1 and 2 screws tapping 2 using a stubby screwdriver x4 2 1 2 3 Close the rear cover 4 Face the front of the host machine downwards F 4 1061 F 4 1062 5 Remove the duplex feed unit 1 1 claw 2 2 hooks 3 1 3 2 F 4 1063 ...

Страница 467: ...unit 3 Remove the right cover 4 Remove the front cover unit 5 Remove the upper cover Procedure 1 Remove the 2 connectors 1 and 2 flat cables 2 and put them through the hole A of the left side plate to the inside x4 2 A A 1 Caution When removing the scanner cover be sure to disconnect the flat cable in advance to prevent damage to the cable F 4 1064 2 Remove the scanner cover 1 2 screws black TP 2 ...

Страница 468: ...r cover be careful not to damage the motor driver PCB 1 and the duplex relay PCB 2 1 2 F 4 1066 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A F 4 1067 Caution Ensure that the shutter open close lever 1 can move vertically 1 F 4 1068 3 Free the solenoid harness 1 from the guide A and put it through the hole B of the right sid...

Страница 469: ...And Feeding System Removing the Duplex Solenoid L418S L410 L190 Procedure 4 Remove the duplex solenoid 1 1 2 Caution When mounting the duplex solenoid align the solenoid lever 1 with the groove in the link 2 and insert the 2 solenoid positioning protrusions 3 into the 2 positioning holes 4 in the side panel to mount the solenoid 4 3 1 2 F 4 1070 ...

Страница 470: ...5 5 Adjustment Adjustment Mechanical Adjustment ...

Страница 471: ... width 1 Prepare an all black print of A4 size made by the same type of EP Toner cartridge for this printer before visiting the customer site 2 Load the printed sheet facing DOWN on the pickup tray 3 Print a test page 4 Turn off the printer when the leading edge of the paper appears in the face down delivery slot Wait for 60 seconds and open the cartridge door to remove the paper from the printer ...

Страница 472: ...6 6 Troubleshooting Troubleshooting Test Print Troubleshooting Items Version Upgrade Log Collector ...

Страница 473: ...he operation procedure a 1 sided print 1 Set A4 LTR papers on the pickup tray or the manual feed pickup tray 2 Continuously open and close the Delivery Tray 1 at least 5 times for odd number of times with the Power Switch ON 3 A 1 sided engine test print is executed b 2 sided print 1 Set A4 LTR papers on the pickup tray or the manual feed pickup tray 2 Continuously open and close the Delivery Tray...

Страница 474: ...s Setting items Setting value Description Additional information Adjustment Maintenance Special Processing Special Mode Z Not used Mode 1 through 4 Factory setting Mode 2 Make a setting to perform thinning of printed image data by processing of the controller When the value set for the mode increases the amount of thinning increases The image density decreases Printing time does not increase becau...

Страница 475: ...controller PCB DCON Control the printer unit DC controller PCB Some UST versions meet less numbers of firmware than those listed above F 6 3 T 6 2 Preparation System Requirements OS one of the following Microsoft Windows 2000 Server Professional Microsoft Windows XP Professional Home Edition Microsoft Windows Server 2003 Microsoft Windows Vista Only as for the 32 bit processor version Microsoft Wi...

Страница 476: ...tem Settings Update Firmware The message Will you restart the device to upgrade firmware is shown on the display Select Yes 5 Press OK to automatically restart the device DOWNLOAD MODE is shown on the display 6 Wait for the motor of the host machine to stop Note Press STOP key to cancel Download mode and return to the normal operation Downloading System Software 1 Open UST USTUPD exe 2 Take a note...

Страница 477: ...on 5 Click Start button F 6 7 F 6 8 6 Click Yes button for the warning message to start download 7 Click OK button when download is completed 8 Turn off and on the power to restart the device 9 Output the spec report from Service mode to confirm if the firmware version is the same as that on the note taken in Step 2 COPIER FUNCTION MISC P OUTPUT SPEC F 6 9 F 6 10 F 6 11 ...

Страница 478: ...er1 0 0 6 zip Create any folder with a write permission on the PC When CanonLogCollector_ Ver1 0 0 6 zip isdecompressed CanonLogCollector exe is extracted 3 Starting the tool Double click to start CanonLogCollector exe The CanonLogCollector screen opens F 6 12 4 Collecting the log Press the Start button on the CanonLogCollector screen When Receiving log is successfully finished is displayed press ...

Страница 479: ...ed Receivetimeout was displayed after the Start button was pressed on the CanonLogCollector screen The size of the log file becomes approx 1 KB Collect the log again after setting the USB connection properly The capacity of the log properly collected becomes 200 KB to 300 KB Turn OFF and then ON the main power of the host machine when the log cannot be collected even after the USBconnection has be...

Страница 480: ...7 7 Error Codes Error Codes Overview Error Codes ...

Страница 481: ...ion describes codes shown in case any problem is occurred Since this product does not collect logs for alarms no alarm code is shown Code type Description Reference Error code Shown for any problem occurred in the device List of error codes Jam code N A Alarm code N A T 7 1 ...

Страница 482: ...imes of turning the power OFF ON execute the following remedies 1 Check that the heater resistance measured between 1PIN and 2PIN of the cable J101 on the Main Controller Board is in the following range Replace the Fixing Assembly when the resistance value is abnormal 1 120 V machine Heater resistance 16 0 Ω 7 2 230 V machines Heater resistance 53 8 Ω 7 2 Check the connection of connector J101 on ...

Страница 483: ... 2 Replace the connectors between the Main Controller Board J601 J602 and the FAX NCU Board J1201 J1204 3 Replace the FAX NCU Board 4 Replace the Main Controller Board E740 0002 Error detection on either Network Board or Mac address When the same error repeatedly occurs after several times of turning the power OFF ON execute the following remedies 1 Check the connection of the network cable 2 Repl...

Страница 484: ...8 8 Service Mode Service Mode Overview COPIER FEEDER FAX TESTMODE ...

Страница 485: ...ADJUST FUNCTION Service mode for copier State display mode Adjustment mode Operation inspection mode I O display mode Counter mode Specification setting mode Adjustment mode Operation inspection mode ADF service mode FAX service mode Service mode for test print operation check etc Bit switch registration mode Menu switch registration mode Numeric parameter setting mode NCU parameter setting mode S...

Страница 486: ...ader Copyboard Yes FB TARGET G Shading target value for GREEN of Reader Copyboard Yes FB TARGET R Shading target value for RED of Reader Copyboard Yes FB TARGET BW Shading target value of Reader Copyboard in black and white Yes DF TARGET B Shading target value for BLUE of DF Yes DF TARGET G Shading target value for GREEN of DF Yes DF TARGET R Shading target value for RED of DF Yes DF TARGET BW Sha...

Страница 487: ... image is larger or smaller than original image Adjustment Adjust by comparing the copy output and original Increase the value when output image is smaller Decrease the value when output image is larger Setting range 30 30 Factory default settings Value after RAM clear 0 Caution This adjustment is targeted to adjust the image position on copy output This may affect to the image of SCAN Yes T 8 4 C...

Страница 488: ...cution of lighting function for Scanning Lamp T 8 6 T 8 7 MISC P OUTPUT When outputting the report place paper in the Pickup Cassette and remove paper from the Multi purpose Tray If paper is placed in the Multi purpose Tray the report is not output even if paper is placed in the Pickup Cassette COPIER FUNCTION MISC P Sub item Description SRVC DAT To output the system data list system dump list as ...

Страница 489: ...Setting range 50 150 Default value 104 Yes LEFT CST Adjustment of left margin when feeding from cassette Adjustment in 0 1mm Setting range 50 150 Default value 97 Yes LEFT DUP CST Adjustment of left margin on both sides back side when feeding from cassette Adjustment in 0 1mm Setting range 50 150 Default value 96 Yes T 8 11 OPTION BODY COPIER OPTION BODY Sub item Description LOCALE To set country ...

Страница 490: ...large or small It can be cleared Yes 2 SIDE 2 sided copy print counter Count up the number of passing through the duplex path in copying printing when ejecting a paper from the machine and duplex stacking Blank paper is also counted Count up by 1 regardless of large or small It can be cleared Yes SCAN Scanning counter Count up the number of scanning when scanning is completed Count up by 1 regardl...

Страница 491: ...d DADF model Setting range 30 30 Yes LA SPD Adjustment of magnification ratio in vertical scanning direction in stream feeding Setting range 200 200 Yes FUNCTION FEEDER FUNCTION Sub item Description ADF model only FEED CHK Paper feeding test for only ADF Setting value 1 SADF 2 DADF Yes SL ON Operation start up for solenoid Yes MTR ON Operation start up for motor Yes FEED ON Paper feeding test for ...

Страница 492: ...and the followings Bit 4 Declare cut sheets Bit 5 Declare LRT LGL in DIS Bit 6 Prohibit ECM outgoing transmission Bit 7 Prohibit ECM incoming transmission FAX SSSW SSSW No Bit No Function SW 06 Setting of reading criteria Bit 0 Move from DES to pre scan position Bit 1 Pre scan at time other than power ON Bit 2 Restrict document length Bit 3 Stamp option Bit 4 Reading width 0 A4 1 LTR Bit 5 Record ...

Страница 493: ...cedure Bit 2 Prohibit calling party from V8 late start Bit 3 Prohibit called party from V8 late start Bit 4 Prohibit V 34 called party from starting fallback Bit 5 Prohibit V 34 calling party from starting fallback SW 29 Not in use SW 30 Bit 0 Support for 1284 device ID Bit 5 New dial tone detection method SW 31 Not in use SW 32 Bit 0 Canon NTT NSX switching SW Bit 5 0 NCU2004 1 NCU2002 SW 33 SW 5...

Страница 494: ...CNG monitor duration while the answering device is activated 0 to 999 26 No signal detection level while the answering device is activated 0 to 7 27 Duration to detect preamble of V21 low speed flag 20 10ms 28 50 Not in use 51 Threshold to detect hook 10 to 9999 53 Set DTMF calling counts when receiving FAX remotely 0 to 9999 54 Set BusyTone outgoing duration when using handset 0 to 9999 55 73 Not...

Страница 495: ...999 x10ms 06 Signal detection table 0 to 16 07 Signal detection level 0 to 7 08 Number of valid tone detection 0 to 9999 times T 8 26 T 8 27 T 8 28 BUSY TONE0 1 Bit switch Bit No Function 1 0 Bit 0 Bit 1 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal Start from valid ON signal Start from either valid ON signal or OFF signal Bit 5 Bit 6 Signal form Continuous...

Страница 496: ...table 0 to 16 07 Signal detection level 0 to 7 08 Number of valid tone detection 0 to 9999 times T 8 32 T 8 33 T 8 34 AUTO RX 1 Numeric value parameter Parameter No Function Setting range 01 CI ON time 0 to 9999 x10ms 02 Cl long off time 0 to 9999 x10ms 03 Cl off time 0 to 9999 x10ms 04 CL long off time 0 to 9999 x10ms 05 Cl MAX off time 0 to 9999 x10ms 06 Cl wait time 0 to 9999 x10ms 07 CI freque...

Страница 497: ...0 to 9999 x10ms 05 T4 timer 0 to 9999 x10ms 06 Signal detection table 0 to 16 07 Signal detection level 0 to 9 08 Number of valid tone detection 0 to 9999 times PBX BUSY TONE 1 Bit switch Bit No Function 1 0 Bit 0 Bit 1 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal Start from valid ON signal Start from either valid ON signal or OFF signal Bit 5 Bit 6 Signal...

Страница 498: ...es MAX Play with maximum volume by pressing OK key Yes T 8 42 T 8 43 SCAN ADJUST ADF ADJ TESTMODE SCAN ADJUST ADF ADJ Sub item Description ADF model only DF SPEED Enter the adjustment value for the magnification ratio in vertical scanning direction in stream feeding Setting range 200 200 Yes DF OFFSET Enter for the adjustment of DF original stop position Setting value 30 30 Yes SENSOR TESTMODE SCA...

Страница 499: ...0dpi RGB 300dpi RGB 150dpi Gray600dpi Gray300dpi Gray150dpi Mono600dpi Mono300dpi Mono150dpi PAGE Display the number of bookfeed pages START Start of bookfeed STOP End of bookfeed T 8 46 T 8 47 FAX MODEM TESTMODE FAX MODEM Sub item Description FAX model only FREQ Transmit selected frequency in closed DC circuit using tone generation function of modem Setting values 462Hz 1100Hz 1300Hz 1500Hz 1650H...

Страница 500: ...t 2 Execute CNG signal check and FED check Detect CNG after CML relay is OFF Yes PANEL TESTMODE FAX PANEL Sub item Description KEY CHECK START Key check Applicable case Check if all keys functions normally after replacement of Control Panel LED CHECK START LED check Applicable case Check if all LEDs are lit normally after replacement of Control Panel LCD CHECK START LCD check Applicable case Check...

Страница 501: ... Service Tools Solvent Oil List General Circuit Diagram General Timing Chart Appendix ...

Страница 502: ...th 191mm 8 Philips screwdriver CK 0106 M4 M5 Length 85mm 9 Flat blade screwdriver CK 0111 10 Precision slot head screwdriver CK 0114 6 pieces set 11 Hex key wrench set CK 0151 5 pieces set 12 Smooth file CK 0161 13 Hex screwdriver CK 0170 M4 Length 107mm 14 Nipper CK 0201 15 Long nose pliers CK 0202 16 Pliers CK 0203 17 Stop ring pliers CK 0205 For shaft ring 18 Crimping tool CK 0218 19 Tweezers C...

Страница 503: ...vent Oil List Name Usage Remarks Ethyl alcohol Cleaning e g Metal parts Grease Toner contamination Local procurement Keep fire away Lubricant Apply it on gears etc Apply it on shafts and shaft supports etc tool number HY9 0007 Dow Corning made Molykote EM 50L T 9 2 ...

Страница 504: ...LED403 KO3 LED404 KO4 LED405 KO5 LED406 KO6 LED407 ESS_LED ESS_KEY GND W LED TR_CABLE 120V TR_CABLE 230V TR_CABLE 100V J909 J905 J912 J501 J751 3 2 1 J1104 GND SWON VH_POWER CI1 CI2 HOOK1 HRL GND GND GND J601 J1201 J1 100V DADF 4in1 WIFI only FAX model only 24P2 2 1 1 2 2 1 3 2 1 1 2 3 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 1 2 2 1 1 2 3 1 2 3 1 2 3 4 5 4 1 3 6 2 5 1 2 2 1 22 14 12 25 23 21 19 17 15 13 1...

Страница 505: ...W LED TR_CABLE 120V TR_CABLE 230V TR_CABLE 100V J905 J501 J751 3 2 1 J1104 GND SWON LCD J912 J11 J12 J15 24P2 1 2 2 1 1 2 3 1 2 3 1 2 3 4 5 4 1 3 6 2 5 1 2 22 14 12 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 24 24 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 12 14 22 1 4 3 2 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 12 14 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19...

Страница 506: ...D W LED TR_CABLE 120V TR_CABLE 230V TR_CABLE 100V J905 J912 J501 J751 3 2 1 J1104 GND SWON VH_POWER CI1 CI2 HOOK1 HRL GND GND GND J601 J1201 J1 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 1 2 2 1 2 1 1 2 3 1 2 3 1 2 3 4 5 4 1 3 6 2 5 1 2 2 1 22 14 12 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 24 24 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 12 14 22 1 4 3 2 16 1 2 3 4 5 6 7 8 9 10 ...

Страница 507: ... LED TR_CABLE 120V TR_CABLE 230V TR_CABLE 100V J905 J501 FM0 4121 J751 3 2 1 J1104 GND J11 J12 J15 SWON J912 4 1 3 6 2 5 1 2 2 1 1 2 3 1 2 3 1 2 3 4 5 1 2 22 14 12 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 24 24 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 12 14 22 1 4 3 2 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 12 14 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 ...

Страница 508: ...405 KO5 LED406 KO6 LED407 ESS_LED ESS_KEY GND W LED TR_CABLE 120V TR_CABLE 230V TR_CABLE 100V J905 J501 J751 3 2 1 J11 J12 J15 J912 SWON GND LED ERP 24V RED VIOLET WHITE GRAY BLUE 1 2 3 4 5 1 2 3 1 2 3 1 2 3 4 5 1 2 22 14 12 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 24 24 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 12 14 22 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 2...

Страница 509: ...5R GND KO0 LED401 KO1 LED402 KO2 LED403 KO3 LED404 KO4 KO5 XWR1 ESS_LED ESS_KEY ONE_TOUCH 24P2 1 2 3 4 5 6 7 8 1 2 3 4 1 2 3 4 5 6 22 14 12 29 27 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 28 30 24 24 30 28 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 27 29 12 14 22 2 1 2 1 1 2 3 4 5 4 1 3 6 2 5 1 2 2 1 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 12 14 1 2 3 4 1 2 3 4...

Страница 510: ...GND 3 3R SCLK SDATA N C N C 5 5R GND KO0 LED401 KO1 LED402 KO2 LED403 KO3 LED404 KO4 KO5 XWR1 ESS_LED ESS_KEY ONE_TOUCH J912 24P2 22 14 12 29 27 25 23 21 19 17 15 13 11 10 9 8 7 6 5 4 3 2 1 16 18 20 26 28 30 24 24 30 28 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 27 29 12 14 22 2 1 1 2 3 1 2 3 1 2 3 4 5 4 1 3 6 2 5 1 2 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 12 14 20 18 16 1 2...

Страница 511: ...n Masking emission 1 3 Print temperature control Print command Print command Waiting for a print command 0 5 1 1 0 1 0 8 Max 4 1 1 1 Cleaning bias Cleaning bias Print bias Cleaning bias BD emission Forcible emission Controls at 80 C Relay 1 Print command Scanner motor Laser diode Main motor Pickup solenoid Leading edge sensor Fixing delivery sensor Primary charging bias DC Developing bias AC Devel...

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