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Service Mode

Service Mode

 

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Overview

 

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COPIER

 

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FEEDER

 

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FAX

 

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TESTMODE

Содержание imageCLASS MF4890dw

Страница 1: ...imageCLASS MF4890dw MF4880dw MF4770n imageCLASS D530 FAXPHONE L190 Troubleshooting July 13 2012 Revision 0 Product Overview Technical Overview Periodical Services Disassembly Assembly Adjustment Erro...

Страница 2: ...nformation 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 ap...

Страница 3: ...witch 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 sign...

Страница 4: ...n 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...

Страница 5: ...0 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...

Страница 6: ...nit 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 Remo...

Страница 7: ...ng 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 MF488...

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 Un...

Страница 9: ...ving 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 Uni...

Страница 10: ...ion 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...

Страница 11: ...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...

Страница 12: ...0 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 2...

Страница 13: ...ing 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...

Страница 14: ...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 t...

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 Preparat...

Страница 16: ...BX 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...

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

Страница 18: ...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...

Страница 19: ...ithium 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 disassembl...

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

Страница 21: ...ADF 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...

Страница 22: ...es 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...

Страница 23: ...ght source LED RGB Image scanning CIS color Photoreceptor OPC drum 24 Light exposure method Laser beam exposure semiconductor laser Charging method Roller charging Developing method Toner projection d...

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 S...

Страница 25: ...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...

Страница 26: ...Address book dialing Regular dialing with numeric keys Automatic redialing Manual redialing Sequential broadcast 250 destinations Receiving Automatic reception Remote reception by telephone Default I...

Страница 27: ...r 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...

Страница 28: ...er 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 Pane...

Страница 29: ...over 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 Aux...

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...

Страница 31: ...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...

Страница 32: ...880dw 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...

Страница 33: ...F4780w 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...

Страница 34: ...eset 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 d...

Страница 35: ...ormal 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 setti...

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...

Страница 37: ...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...

Страница 38: ...ify 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...

Страница 39: ...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 Con...

Страница 40: ...urpose 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...

Страница 41: ...asking 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...

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...

Страница 43: ...cal 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 pa...

Страница 44: ...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 pix...

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 Docume...

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 detecti...

Страница 47: ...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 40...

Страница 48: ...ical 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 periodica...

Страница 49: ...rts 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 contro...

Страница 50: ...n 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...

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 execute...

Страница 52: ...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 Durin...

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...

Страница 54: ...osure 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...

Страница 55: ...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 enable...

Страница 56: ...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...

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 developmen...

Страница 58: ...tions 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 rem...

Страница 59: ...ng 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 T...

Страница 60: ...701 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...

Страница 61: ...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...

Страница 62: ...dged 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...

Страница 63: ...pm 4 ppm 16 to 20 6 ppm 8 ppm 4 ppm 21 to 30 6 ppm 8 ppm 4 ppm 31 to 40 4 ppm 7 ppm 4 ppm 41 to 75 4 ppm 6 ppm 4 ppm From 76 4 ppm 6 ppm 4 ppm Number of Fed Sheets 5 6 Full speed Half speed 1 to 55 20...

Страница 64: ...ray 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...

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 control...

Страница 66: ...lm is 18 2 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 prec...

Страница 67: ...he 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 Del...

Страница 68: ...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 delive...

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 pr...

Страница 70: ...ical 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 re...

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...

Страница 72: ...ical 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...

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

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

Страница 75: ...lean 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 pap...

Страница 76: ...r 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...

Страница 77: ...embly 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...

Страница 78: ...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...

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...

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...

Страница 81: ...ts 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...

Страница 82: ...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...

Страница 83: ...me 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 Engi...

Страница 84: ...st 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 Mul...

Страница 85: ...mbly 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 Thermoswi...

Страница 86: ...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...

Страница 87: ...or 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...

Страница 88: ...y 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 Engin...

Страница 89: ...02 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 Contro...

Страница 90: ...ine 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 Le...

Страница 91: ...6 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...

Страница 92: ...e 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 mac...

Страница 93: ...r 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...

Страница 94: ...ocedure 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...

Страница 95: ...ly 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...

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...

Страница 97: ...t 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 t...

Страница 98: ...rocedure 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 a...

Страница 99: ...ly 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...

Страница 100: ...cedure 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 si...

Страница 101: ...rocedure 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...

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...

Страница 103: ...ly 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...

Страница 104: ...e 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 do...

Страница 105: ...ure 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...

Страница 106: ...ove 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 Remov...

Страница 107: ...ly 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...

Страница 108: ...e 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...

Страница 109: ...e 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 rea...

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 cove...

Страница 111: ...ly 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...

Страница 112: ...20w 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 mach...

Страница 113: ...4720w 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 ma...

Страница 114: ...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 copybo...

Страница 115: ...ly 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...

Страница 116: ...ver 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 m...

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 th...

Страница 118: ...edure 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...

Страница 119: ...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...

Страница 120: ...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...

Страница 121: ...ader 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...

Страница 122: ...er 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...

Страница 123: ...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 M...

Страница 124: ...aution 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 cl...

Страница 125: ...nt 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...

Страница 126: ...F 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 Op...

Страница 127: ...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 Remov...

Страница 128: ...cedure 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 Rem...

Страница 129: ...4890dw 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 rol...

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...

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...

Страница 132: ...ollowing 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...

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...

Страница 134: ...880dw 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 gla...

Страница 135: ...0dw 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...

Страница 136: ...ove 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...

Страница 137: ...re 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...

Страница 138: ...ove 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 Remov...

Страница 139: ...4830d 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 R...

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...

Страница 141: ...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 SA...

Страница 142: ...s 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 t...

Страница 143: ...tion 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 u...

Страница 144: ...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 P...

Страница 145: ...sure 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...

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...

Страница 147: ...F4870dn 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 fre...

Страница 148: ...ation 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...

Страница 149: ...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...

Страница 150: ...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...

Страница 151: ...830d 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...

Страница 152: ...0dn 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...

Страница 153: ...move 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 Re...

Страница 154: ...re 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...

Страница 155: ...ing 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 gro...

Страница 156: ...ard 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...

Страница 157: ...aration 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...

Страница 158: ...yboard 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...

Страница 159: ...ly 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 re...

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 th...

Страница 161: ...posure 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 t...

Страница 162: ...eft 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...

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 Remov...

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 cov...

Страница 165: ...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 t...

Страница 166: ...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 Ca...

Страница 167: ...re 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 th...

Страница 168: ...30 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...

Страница 169: ...F4750 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 MF...

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...

Страница 171: ...tion 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...

Страница 172: ...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 a...

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 c...

Страница 174: ...n 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 MF4...

Страница 175: ...sure 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 Ca...

Страница 176: ...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...

Страница 177: ...on 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...

Страница 178: ...move 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 Cau...

Страница 179: ...e 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 ov...

Страница 180: ...ion 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...

Страница 181: ...F4750 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 Remov...

Страница 182: ...80w 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...

Страница 183: ...re 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 Remov...

Страница 184: ...ure 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...

Страница 185: ...ving 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...

Страница 186: ...oard 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...

Страница 187: ...20w 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...

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...

Страница 189: ...bly 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 h...

Страница 190: ...IS 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 car...

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 Pr...

Страница 192: ...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 n...

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 C...

Страница 194: ...rocedure 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 a...

Страница 195: ...dure 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 uppe...

Страница 196: ...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...

Страница 197: ...0 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 Prepa...

Страница 198: ...ADF 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 u...

Страница 199: ...ut 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 c...

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 2...

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 t...

Страница 202: ...d 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 t...

Страница 203: ...ation 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...

Страница 204: ...kup 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 separatio...

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 dama...

Страница 206: ...ve 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...

Страница 207: ...bly 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...

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...

Страница 209: ...0 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 t...

Страница 210: ...anel 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...

Страница 211: ...se 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...

Страница 212: ...y 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 Caut...

Страница 213: ...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 transmissi...

Страница 214: ...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 scr...

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...

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 Preparati...

Страница 217: ...canner 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 har...

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...

Страница 219: ...l 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...

Страница 220: ...B 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 a...

Страница 221: ...ler 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...

Страница 222: ...ure 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 rea...

Страница 223: ...0dw 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 sprin...

Страница 224: ...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 leadin...

Страница 225: ...he 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 Proc...

Страница 226: ...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...

Страница 227: ...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 co...

Страница 228: ...i 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...

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 cove...

Страница 230: ...w 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...

Страница 231: ...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...

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 wil...

Страница 233: ...r 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 Cau...

Страница 234: ...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 transmissio...

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 scre...

Страница 236: ...isconnect 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...

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 Preparatio...

Страница 238: ...anner 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 harn...

Страница 239: ...rds 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...

Страница 240: ...er 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...

Страница 241: ...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...

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...

Страница 243: ...d 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...

Страница 244: ...g 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 an...

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 a...

Страница 246: ...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 th...

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...

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...

Страница 249: ...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...

Страница 250: ...move 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...

Страница 251: ...ing 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...

Страница 252: ...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 force...

Страница 253: ...r 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...

Страница 254: ...own 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...

Страница 255: ...ove 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...

Страница 256: ...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...

Страница 257: ...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...

Страница 258: ...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 4 460 F 4 459 3...

Страница 259: ...B 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...

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 R...

Страница 261: ...ure 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...

Страница 262: ...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 sen...

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 Re...

Страница 264: ...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 th...

Страница 265: ...lti 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...

Страница 266: ...i 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 o...

Страница 267: ...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 Uni...

Страница 268: ...trol 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...

Страница 269: ...t 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 displ...

Страница 270: ...ing 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 Timi...

Страница 271: ...9 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 Procedur...

Страница 272: ...rews 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 carefu...

Страница 273: ...utter 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 gu...

Страница 274: ...mbly 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 Caut...

Страница 275: ...r 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 Cauti...

Страница 276: ...amage 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 Caut...

Страница 277: ...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...

Страница 278: ...e 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 R...

Страница 279: ...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 en...

Страница 280: ...bles 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...

Страница 281: ...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...

Страница 282: ...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...

Страница 283: ...ve 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...

Страница 284: ...very 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 connect...

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 co...

Страница 286: ...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 4 542 Caution When install the scanner c...

Страница 287: ...e 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 M...

Страница 288: ...anel 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 hos...

Страница 289: ...t 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...

Страница 290: ...he 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 pull...

Страница 291: ...0n 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 cov...

Страница 292: ...n 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 5...

Страница 293: ...w 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 5...

Страница 294: ...he 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 th...

Страница 295: ...ing 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 th...

Страница 296: ...bling 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 Rem...

Страница 297: ...4780w 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...

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...

Страница 299: ...g 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...

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...

Страница 301: ...ge 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 Ca...

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...

Страница 303: ...ulti 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 upp...

Страница 304: ...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...

Страница 305: ...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 60...

Страница 306: ...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 Prep...

Страница 307: ...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 fro...

Страница 308: ...idge 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 Gea...

Страница 309: ...12 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...

Страница 310: ...ounting 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 Dis...

Страница 311: ...w 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 6...

Страница 312: ...ve 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...

Страница 313: ...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 f...

Страница 314: ...g 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 Removin...

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 Proced...

Страница 316: ...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 h...

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 r...

Страница 318: ...0w 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...

Страница 319: ...isassembly 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 deli...

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...

Страница 321: ...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 in...

Страница 322: ...em 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 DAD...

Страница 323: ...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...

Страница 324: ...y 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 Cautio...

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...

Страница 326: ...he 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...

Страница 327: ...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...

Страница 328: ...0 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...

Страница 329: ...er 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...

Страница 330: ...er 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...

Страница 331: ...en 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 Fr...

Страница 332: ...emove 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 Proce...

Страница 333: ...edure 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 cable...

Страница 334: ...ing 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 Remov...

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...

Страница 336: ...der 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 L...

Страница 337: ...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...

Страница 338: ...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 Remo...

Страница 339: ...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 spr...

Страница 340: ...isassembly 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 p...

Страница 341: ...emove 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 h...

Страница 342: ...rocedure 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 clo...

Страница 343: ...er 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 sadd...

Страница 344: ...ion 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 scanne...

Страница 345: ...onge 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 th...

Страница 346: ...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 mo...

Страница 347: ...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 adjustme...

Страница 348: ...32 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...

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 cov...

Страница 350: ...ly 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 scre...

Страница 351: ...reparation 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...

Страница 352: ...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 4 743 F 4 744 Removing the Laser Scanner Unit MF4720w MF4712 MF4710 Preparation 1 Remove the left cover 2 R...

Страница 353: ...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...

Страница 354: ...he 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 thr...

Страница 355: ...dure 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 l...

Страница 356: ...re 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...

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 s...

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 MF48...

Страница 359: ...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 1 2 F 4 763 F 4 764 Removing the Transfer Roller MF4820d Procedure...

Страница 360: ...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 Caut...

Страница 361: ...r 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...

Страница 362: ...d 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 MF4...

Страница 363: ...emove 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 L19...

Страница 364: ...dure 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...

Страница 365: ...ve 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 Procedur...

Страница 366: ...ove 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 connecto...

Страница 367: ...w 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...

Страница 368: ...e 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 mai...

Страница 369: ...al 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...

Страница 370: ...4830d 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 mounti...

Страница 371: ...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...

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 s...

Страница 373: ...y 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 Re...

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...

Страница 375: ...de 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 spri...

Страница 376: ...y 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 Remov...

Страница 377: ...t 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...

Страница 378: ...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...

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...

Страница 380: ...ixing 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...

Страница 381: ...ard 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 con...

Страница 382: ...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 conn...

Страница 383: ...F4710 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 harne...

Страница 384: ...ht 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...

Страница 385: ...e 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...

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 a...

Страница 387: ...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...

Страница 388: ...ing 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 s...

Страница 389: ...it 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 t...

Страница 390: ...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 6 Remove the duplex feed unit 7 Remove the separatio...

Страница 391: ...mbly 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...

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 up...

Страница 393: ...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 Pro...

Страница 394: ...olenoid 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 x...

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 disassem...

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...

Страница 397: ...plex 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 t...

Страница 398: ...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 c...

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...

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 ter...

Страница 401: ...mbly 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 an...

Страница 402: ...stem 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 ins...

Страница 403: ...on 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...

Страница 404: ...mbly 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...

Страница 405: ...rocedure 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 uppe...

Страница 406: ...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 R...

Страница 407: ...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...

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 MF483...

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 t...

Страница 410: ...plex 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...

Страница 411: ...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 ca...

Страница 412: ...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 R...

Страница 413: ...t 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...

Страница 414: ...embly 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 fro...

Страница 415: ...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...

Страница 416: ...ckup 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...

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...

Страница 418: ...cedure 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 Rem...

Страница 419: ...nnect 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 wit...

Страница 420: ...assembly 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...

Страница 421: ...sassembling 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...

Страница 422: ...y 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...

Страница 423: ...reparation 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...

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...

Страница 425: ...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 pla...

Страница 426: ...ing 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...

Страница 427: ...it 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 tra...

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...

Страница 429: ...mbly 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...

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 Remov...

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 mounti...

Страница 432: ...olenoid 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...

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 d...

Страница 434: ...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...

Страница 435: ...4 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 Pro...

Страница 436: ...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 co...

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 sole...

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 separatio...

Страница 439: ...it 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 h...

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...

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...

Страница 442: ...kup 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...

Страница 443: ...e 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...

Страница 444: ...reparation 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 mai...

Страница 445: ...d 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 c...

Страница 446: ...ystem 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...

Страница 447: ...ad 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...

Страница 448: ...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 con...

Страница 449: ...bly 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...

Страница 450: ...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...

Страница 451: ...kup 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...

Страница 452: ...ray 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...

Страница 453: ...10 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 f...

Страница 454: ...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...

Страница 455: ...ssembly 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...

Страница 456: ...d 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 t...

Страница 457: ...connect 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 w...

Страница 458: ...bly 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...

Страница 459: ...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...

Страница 460: ...kup 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...

Страница 461: ...p 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 rig...

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...

Страница 463: ...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 conta...

Страница 464: ...ssembly 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 soleno...

Страница 465: ...embling 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 R...

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...

Страница 467: ...nit 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...

Страница 468: ...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 sca...

Страница 469: ...nd 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...

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 P...

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

Страница 473: ...e 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 w...

Страница 474: ...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 thin...

Страница 475: ...ontroller 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 followin...

Страница 476: ...em 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...

Страница 477: ...n 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...

Страница 478: ...r1 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 Cano...

Страница 479: ...d 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 pr...

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

Страница 481: ...on 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 occ...

Страница 482: ...s 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...

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 eith...

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

Страница 485: ...DJUST 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 A...

Страница 486: ...der 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 Copybo...

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 large...

Страница 488: ...ution 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...

Страница 489: ...etting 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 ma...

Страница 490: ...arge 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 stack...

Страница 491: ...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 AD...

Страница 492: ...nd 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...

Страница 493: ...edure 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 star...

Страница 494: ...NG 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...

Страница 495: ...99 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...

Страница 496: ...able 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...

Страница 497: ...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 Functi...

Страница 498: ...s 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 mag...

Страница 499: ...dpi 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 MOD...

Страница 500: ...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 norm...

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

Страница 502: ...h 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 fi...

Страница 503: ...ent 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...

Страница 504: ...ED403 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 G...

Страница 505: ...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...

Страница 506: ...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...

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...

Страница 508: ...05 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...

Страница 509: ...R 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 2...

Страница 510: ...ND 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...

Страница 511: ...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 For...

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