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4-46

Disassembly/Assembly > Document Exposure/Feeder System > Removing the DADF Pickup Unit

3) Open the DADF tray [1] to the stop position. Then, release the claw [3] 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 [B].

[3]

[2]

[A]

[B]

[1]

F-4-82

4) Open the DADF tray [1] as far as the position shown in the below diagram and then

remove in an upward direction.

[1]

5) Remove the DADF upper rear cover [1].
• 1 boss [2]

[1]

[2]

F-4-83

F-4-84

Содержание D500 Series

Страница 1: ...8 7 6 5 4 3 2 1 Service Manual Rev 1 MF4500 MF4400 D500 Series Product Overview Technical Overview Periodical Services Disassembly Assembly Adjustment Trouble Shooting Error Codes Service Mode Appendix ...

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

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

Страница 4: ...50 MF4452 MF4453 1 10 Control Panel 1 11 2 Technical Overview Basic Configuration 2 2 Configuration function 2 2 Basic Sequence 2 2 Basic Sequence of Operation 2 2 Print Sequence 2 3 Controller System 2 4 Main Controller 2 4 General description 2 4 Engine Controller 2 4 General description 2 4 Service Works 2 5 At parts replacement 2 5 Maintenance 2 5 Notes on service works 2 5 Document Exposure F...

Страница 5: ...ation 2 22 Overview 2 22 Main Parts of Fixing assembly 2 22 Various Control Mechanisms 2 23 Fixing Temperature Control 2 23 Protective Functions 2 23 Throughput Down Control 2 25 Service Works 2 25 At parts replacement 2 25 Maintenance 2 25 Notes on service works 2 25 Pickup And Feeding System 2 26 Overview 2 26 Overview 2 26 Detecting Jams 2 27 Jam Detection Outline 2 27 Delay Jams 2 28 Stationar...

Страница 6: ... MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 4 16 List of Connectors 4 21 DADF Unit MF4580dn D550 4 21 SADF Unit MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 4 21 Reader Unit 4 22 2 sided Printer Unit MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 22 1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 4 24 External Cover Interior 4 26 Location of DAD...

Страница 7: ...he SADF Motor 4 59 Removing the SADF Pickup Roller 4 60 Removing the SADF Separation Pad 4 63 Removing the Copyboard Cover 4 64 Before Removing the Copyboard Cover and Reader Unit 4 64 Removing the Copyboard Cover and Reader Unit 4 64 Before Removing the Copyboard Glass Models with copyboard 4 66 Removing the Copyboard Glass Models with copyboard 4 66 Before Removing the Copyboard Glass Models wit...

Страница 8: ...ntroller PCB Models without FAX MF4430 MF4420n MF4410 MF4412 D550 D520 4 96 Before Removing the Main Controller PCB Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 4 99 Removing the Main Controller PCB Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 4 99 Before Removing the Main Controller PCB Models without FAX or NET MF4430 MF4410 MF4...

Страница 9: ...1 Before Removing the Fixing Assembly Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 121 Removing the Fixing Assembly Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 121 Before Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 4 125 Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 ...

Страница 10: ...it Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 155 Before Removing the Duplex Reverse Solenoid Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 156 Removing the Duplex Reverse Solenoid Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 156 5 Adjustment Mechanical Adjustment 5 2 Confirming Nip Width 5 2 6 Trouble Shooting Test Print 6 2 Te...

Страница 11: ...TONE 8 12 BUSY TONE0 8 12 BUSY TONE1 8 12 REORDER TONE 8 13 AUTO RX 8 13 CNG DETECT 8 13 RKEY 8 13 PBX DIAL TONE 8 14 PBX BUSY TONE 8 14 TESTMODE 8 15 SYSTEM 8 15 DRAM 8 15 SPEAKER 8 15 SCAN 8 15 ADJUST 8 15 SENSOR 8 15 ADFTEST 8 16 BOOKFEED 8 16 FAX 8 16 MODEM 8 16 FACULTY 8 17 PANEL 8 17 NETWORK 8 17 SSSW 8 17 9 Appendix Service Tools 9 2 Solvent Oil List 9 3 General Circuit Diagram 9 4 General ...

Страница 12: ...Safety Toner Safety Notes on Handling Lithium Battery Notes on Assembly Disassembly Safety Precautions MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 MF4420n MF4550d MF4410 MF4412 D550 D520 Series F 0 1 ...

Страница 13: ...sions Note that the wording included in labels is different depending on laser product classifications F 0 2 Laser Safety About Laser Beams Laser radiation may be hazardous to human The laser scanner unit mounted in this device is sealed in the protective housing and the external cover to prevent laser beams from leaking to the environment As long as the device is operated under normal conditions ...

Страница 14: ...may cause explosion Follow instructions to dispose used batteries properly Notes on Assembly Disassembly Follow the items below to assemble disassemble the device 1 Disconnect the power plug to avoid any potential dangers during assembling disassembling works 2 If not specially instructed reverse the order of disassembly to reinstall 3 Ensure to use the right screw type length diameter etc at the ...

Страница 15: ...1 1 Product Overview Product Overview Product Lineups Features Product Specifications Name of Parts ...

Страница 16: ...in1 SADF N Design ADF DADF Yes SADF Yes PLATEN Engine 2 Sided Yes Yes 1 Sided LAN port Yes Yes FAX Yes Yes T 1 1 Model MF4550d MF4553d MF4554d Config 4in1 SADF Design ADF DADF SADF Yes PLATEN Engine 2 Sided Yes 1 Sided LAN port FAX Yes Model D550 D520 Config 3in1 DADF 3in1 Pla Design ADF DADF Yes SADF PLATEN Yes Engine 2 Sided Yes Yes 1 Sided LAN port FAX T 1 2 T 1 3 ...

Страница 17: ...452 MF4453 MF4430 Config 4in1 SADF 3in1 SADF Design ADF DADF SADF Yes Yes PLATEN Engine 2 Sided 1 Sided Yes Yes LAN port FAX Yes Model MF4420n MF4410 MF4412 Config 3in1 Pla N 3in1 Pla Design ADF DADF SADF PLATEN Yes Yes Engine 2 Sided 1 Sided Yes Yes LAN port Yes FAX T 1 4 T 1 5 Options Hand Set Only FAX Model ...

Страница 18: ...exposure method Laser beam exposure semiconductor laser Charging method Roller charging Developing method Toner projection developing method Transfer method Direct transfer to transfer member Separation method Curvature separation Paper feed method Pickup Tray Semilunar shaped Pickup Roller Pad separation method pressure release mechanism is not available Multi purpose Tray Semilunar shaped Pickup...

Страница 19: ...ransparency Labels Envelope Postcard Multi Purpose Tray Plain paper 60 to 90 g m2 Heavy paper 91 to 163 g m2 Transparency Labels Envelope Postcard Stack capacity of Pickup Tray About 250 sheets Nomal paper 60 to 80 g m2 Stack capacity of Multi purpose Tray 1 sheet Delivery tray stacking capacity About 100 sheets Nomal paper 60 to 80 g m2 Allowable environmental temperature 10 30 deg C Allowable hu...

Страница 20: ... reading 2 sided 60 to 105 g m2 Document reading method Stream reading Document stack capacity DADF Ssize 50 Sheets Lsize 10 Sheets SADF Ssize 35 Sheets Lsize 10 Sheets Mixed paper reading None Document AE sensor None Document size sensor None Stamp function None Document feed speed at reading 100 129 3 mm s DADF 112 75 mm s SADF Document processing speed At A4 LTR 1 sided constant speed 22 ipm sh...

Страница 21: ...board Cover 8 Multi Purpose Tray Paper Guides 2 Control Panel Unit 9 Multi Purpose Tray 3 Delivery Auxiliary Tray 10 Tray Cover 4 Pickup Tray 11 Front Cover Unit 5 Trailing Edge Paper Guides 12 Delivery Tray 6 Pickup Tray Paper Guides 13 Upper Cover 7 Right Cover F 1 1 Rear Side MF4420n MF4410 MF4412 D520 1 2 3 4 5 6 7 7 8 No Name 1 Copyboard Glass 2 Copyboard Upper Cover 3 Left Cover 4 Power Supp...

Страница 22: ...Pickup Tray Paper Guides 4 Original Feed Tray 15 Right Cover 5 Original Feed Auxiliary Tray 16 Multi Purpose Tray Paper Guides 6 Original Feed Auxiliary Extension Tray 17 Multi Purpose Tray 7 Side Guide Plate Front 18 Tray Cover 8 SADF Front Cover 19 Front Cover Unit 9 Original Delivery Tray 20 Delivery Tray 10 Control Panel Unit 21 Upper Cover 11 Delivery Auxiliary Tray F 1 3 Rear Side MF4570dn M...

Страница 23: ...t Upper Cover 15 Right Cover 5 Original Feed Tray 16 Multi Purpose Tray Paper Guides 6 DADF Front Cover 17 Multi Purpose Tray 7 Original Feed Auxiliary Tray 18 Tray Cover 8 Side Guide Plate Front 19 Front Cover Unit 9 Original Delivery Tray 20 Delivery Tray 10 Control Panel Unit 21 Upper Cover 11 Delivery Auxiliary Tray F 1 5 Rear Side MF4580dn D550 10 1 2 3 4 5 6 7 7 8 9 No Name 1 Copyboard Glass...

Страница 24: ...Duplex Feed Roller 9 Multi Purpose Tray 3 Fixing Pressure Roller 10 Photosensitive Drum 4 Fixing Film Unit 11 Pickup Roller 5 Delivery Roller 12 Separation Pad 6 Fixing Assembly 13 Feed Roller 7 Laser Scanner Unit 14 Transfer Roller F 1 7 MF4410 MF4412 MF4420n MF4430 MF4450 MF4452 MF4453 Printer 10 1 11 2 12 3 4 5 6 7 8 9 No Name 1 Fixing Pressure Roller 2 Fixing Film Unit 3 Delivery Roller 4 Fixi...

Страница 25: ...el jobs You can also check the status of the network 2 and machine 3 LCD During normal operation displays messages and prompts When adjusting the settings displays your selections text and numbers 4 Reset key Press to reset the settings Press to reset the copy scan fax 1 mode to the standard mode Back key Press to return to the previous screen key Press to scroll up or to increase a value key Pres...

Страница 26: ...l Overview Technical Overview Basic Configuration Controller System Document Exposure Feeder System Laser Exposure System Image Formation System Fixing System Pickup And Feeding System External And Controls System ...

Страница 27: ...Purpose Remarks WAIT Wait From power ON until initial drive for main motor is completed To clear potential from the drum surface and to clean the transfer roller Also to bring the heater temperature up to the targeted temperature Detect whether the Toner cartridge is installed or not STBY Standby From the end of the WAIT period or the LSTR period until the print command is sent from the main contr...

Страница 28: ...Masking emission Masking emission 1 3 Print temperature control Print command Print command Waiting for a print command 0 5 1 1 0 1 0 8 Max 4 1 1 1 Cleaning bias Cleaning bias Print bias Cleaning bias BD emission Forcible emission Controls at 80 C Relay 1 Print command Scanner motor Laser diode Main motor Pickup solenoid Leading edge sensor Fixing delivery sensor Primary charging bias DC Developin...

Страница 29: ... 2 3 Engine Controller General description Engine controller is the circuit to control the operation sequence of the host machine and it is controlled by the CPU inside the engine controller When the power is turned ON and DC power is supplied through the low voltage power inside engine controller CPU starts the printer operation control Then CPU drives the loads such as laser diode motors and sol...

Страница 30: ...ical Overview Controller System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 31: ...l change of carriage shift speed image processing by SCNT PCB lens rod lens array CMOS sensor number of lines 1 line number of pixels 5148 pixels as total pixels 5107 pixels as effective pixels maximum document scanning width 216 mm CS drive control drive control by Reader motor document size detection none T 2 2 Major Components Followings are the major components for Document Exposure System The...

Страница 32: ... F 2 6 Within the SADF pickup assembly is the stop 1 for the purpose of preventing the push in of original which descends ascends in conjunction with the gear 2 on the end of the pickup roller shaft SADF Motor 1 2 When the originals are moving through the machine By the CW drive of the SADF motor which is transmitted to the pickup roller via the gear spring clutch and results in positive rotation ...

Страница 33: ... in pickup feeding delivery At the start of copy fax scan the DADF motor is driven by the drive command from the SCNT to pickup feed the originals set face up on the original tray one by one in order from the top The original is scanned by the contact sensor when moving through the copyboard glass and then delivered face down to the original delivery assembly DADF Motor SCNT J12 J8 1 2 3 4 A0 A0 B...

Страница 34: ...tted and resulting in detection of the reach of the leading edge of original Furthermore when the trailing edge of the original passes the actuator position the actuator returns to the original position inactivating the DES light transmitted light shielded The trailing edge of the original is detected by this mechanism The original length that can be scanned with this equipment is less than 400 mm...

Страница 35: ...ginal of which length is 400 mm or longer Operation after Detection of Jam The host machine stops scanning operation and displays CHECK DOCUMENT on the control panel No jam code is displayed In case of the model equipped with fax function with built in speaker the warning beep occurs at the detection of jam How to release Jam Remove the jammed paper and open close the SADF DADF upper cover Service...

Страница 36: ...arts to rotate the Engine controller emits the laser forcibly using the Laser control signal causing the Engine controller to start rotation control for the Scanner motor 3 The Engine controller controls to keep a constant speed of rotation of the Scanner motor using the Scanner motor speed control signal 4 After the rotation speed of the Scanner motor reaches its target the Main controller sends ...

Страница 37: ...on The laser driver IC executes laser control according to the combination of the CNT0 CNT1 CNT2 signals The following is the combination of the laser control signal CNT0 CNT1 CNT2 Operation mode CNT0 CNT1 CNT2 Details Standby L L L Laser control OFF Print H H H Can emit the laser according to the video signal LD1 forced ON L H L LD1 forcibly turned ON LD2 forced ON H L L LD2 forcibly turned ON LD...

Страница 38: ... the laser driver emits LD2 forcibly The laser driver adjusts the LD2 laser intensity as in the case of LD1 and saves the adjusted laser intensity to the capacitor C18 1 Initial APC APC that is executed during initial rotation APC adjusts laser intensity and detects faults in the laser 2 Line space APC APC that is executed during printing Laser intensity for one line is adjusted before writing one...

Страница 39: ...he host machine are stopped 1 Fault in BD input At startup of the scanner BDI signal cannot be detected within 0 1 sec from the completion of forced acceleration of the scanner motor 2 Fault in startup During activating the scanner motor at startup of the scanner the motor rotation exceeds the specified range 98 3 to 102 1 3 Fault in control After startup of the scanner completes correctly BDI sig...

Страница 40: ... supply VIDEO signal Main controller CPU Laser scanner unit Laser beam Fixing Film Pressure roller Transfer roller F 2 17 Print Process This explains the basic process of the operations that a printer executes for image formation The print process of this equipment is divided largely into 5 blocks 7 steps Toner images are formed on papers by executing the steps of each block in order The following...

Страница 41: ...posure step 2 Transfer step 4 Primary charging step 1 Primary charging step 1 Exposed area Unexposed area Step 1 Primary charging For preparation of latent image formation the surface of photosensitive drum is charged with even negative potential In this primary charging the charge is applied from the primary charging roller directly to the photosensitive drum DC bias is applied to the primary cha...

Страница 42: ...e developing blade An area on the photosensitive drum exposed with laser beam has higher potential than the developing cylinder the potential difference between the drum surface and the cylinder enables the toner to jump on the drum surface and makes them visible images AC bias superimposed with the development DC negative bias is applied to the developing cylinder Blade Developing cylinder AC bia...

Страница 43: ...r roller Static charge eliminator Photosensitive drum Fixing Block This block applies pressure and heat to papers and the toner on them to fix toner images to the papers Step 6 Fixing This step employs on demand fixing that fixes toner images transferred to papers on the papers Fixing heater Fixing film Toner Media Pressure roller F 2 24 F 2 25 Drum Cleaning Block The drum cleaning block removes t...

Страница 44: ... is a DC negative bias that is output to affix toner to the static latent images formed on the photosensitive drum This bias is a development DC and AC superimposed bias and generated by the development high voltage generating circuit in the high voltage power supply circuit The high voltage power supply circuit applies the generated developing bias to the developing cylinder at a specified timing...

Страница 45: ...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 remained to be displayed D550 D520 MF4430 MF4420n MF4410 MF4412 This equipment has no function of toner level detection Specification of Toner level display Toner level can be checked by pressing Status ...

Страница 46: ...eing H it is judged that the Toner cartridge is present Engine controller PS751 H Toner cartridge detection flag Leading edge sensor detection flag PS751 PS751 L Toner cartridge Yes Toner cartridge No The leading edge sensor performs both this detection and paper feed detection Therefore the engine controller cannot make a judgment of Toner cartridge absent or jam occurrence when jam occurs The en...

Страница 47: ...S701 and the paper width sensor PS702 and then delivered to the delivery tray by the delivery roller M1 SL2 PS701 PS702 1 2 3 1 Delivery Roller 2 Fixing Film Unit 3 Fixing Pressure Roller PS701 Fixing delivery sensor PS702 Paper width sensor M1 Main motor F 2 29 Main Parts of Fixing assembly Engine controller FIXING HEATER DRIVE signal Fixing heater drive circuit Fixing heater safety circuit FIXIN...

Страница 48: ...al Heavy1 Heavy2 Light OHT Envelope Envelope2 Quiet 1 185 175 185 160 165 165 145 150 2 to 6 185 175 185 160 165 165 143 150 7 to 26 185 175 185 160 165 165 140 150 27 to 41 185 175 185 160 165 165 140 150 42 to 76 185 173 185 160 165 165 138 148 77 to 150 183 170 185 160 165 165 135 145 151 to 197 180 170 185 160 165 165 135 145 More than 198 180 170 185 160 165 165 135 145 fixing mode The number...

Страница 49: ...hile paper is at fixing nip or it is 55 deg C or lower during paper interval temperature control or at cleaning mode 5 Thermistor open detection After temperature of the Fixing Assembly exceeds 50 deg C monitor temperature of the Thermistor for every 5 msec When it is detected that the temperature is lower than 20 deg C for 6 consecutive times it is judged as Thermistor open failure 6 Startup fail...

Страница 50: ... ppm half speed 2 5 Heavy Paper 1 3 ppm half speed 1 ppm half speed 2 6 Rough Paper 1 1 3 ppm half speed 1 ppm half speed 2 6 Rough Paper 2 1 3 ppm half speed 1 ppm half speed 2 6 3 In the case of user definition Label Paper Transparency Postcard 4 4 Envelope 1 1 When the number of fed paper reaches 270 after starting from Cold state the speed changes from full speed to half speed and the throughp...

Страница 51: ...tray Delivery tray Single sheet pick up tray Delivery roller Transfer roller Photosensitive drum Separation pad Fixing Pressure roller Duplex Feed roller Fixing Film PS702 PS751 Pickup roller PS701 F 2 32 Single Feed M1 SL1 Main controller Engine controller PS751 PS701 PS702 Delivery tray Delivery roller Fixing Pressure roller Multi purpose tray Single sheet pick up tray Transfer roller Photosensi...

Страница 52: ... the fixing delivery sensor PS701 the paper width sensor PS702 They detect arrival and passing of papers If a paper does not reach or pass through each sensor within a specified time the engine controller judges this status as jam and notices the jam occurrence to the main controller PS701 Fixing delivery sensor PS702 Paper width sensor PS801 Leading edge sensor M1 Main motor SL1 Pickup solenoid S...

Страница 53: ...Since one lap of the film is 18 2π 57 2 mm the length of wrapping is more than one lap Considering paper looping sensor accuracy and thick paper delivery however the value cannot be made smaller F 2 35 B When there is a preceding paper 1 OFF Paper Lead Edge Sensor Fixing Delivery Sensor ON OFF ON 1035 70 Jam When there is preceding paper at the delivery sensor PS701 700 1400 ms after paper detecti...

Страница 54: ...hat by the TOP sensor PS751 is long the paper path length depends on the paper quality and the stop time at the registration shutter prepared on the path for skew correction depends on the delivered paper Delivery Delay Jam during auto delivery A delivery delay jam is determined if the Paper Lead Edge Sensor PS751 detects presence of paper and the Fixing Delivery Sensor PS701 detects absence of pa...

Страница 55: ... reversal if the delivery sensor PS701 does not detect the no paper status within 2570 5140 ms after paper detection a reverse stationary jam is determined Note This jam is determined if the delivery sensor PS701 keeps detecting sensor for the time of delivering LEGAL 30 mm Pickup Stationary Jam during auto delivery A pickup stationary jam is determined if the Paper Lead Edge Sensor PS751 detects ...

Страница 56: ...t stable due to paper springing or other Initial Paper Jam during printing An initial paper jam is determined if either the Fixing Delivery Sensor PS701 or the Paper Width Sensor PS702 detects presence of paper immediately before the Print Main Motor started its rotation Door Open Jam A door open jam is determined when printing is interrupted due to the door open detection during printing while th...

Страница 57: ...nical Overview Pickup And Feeding System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 58: ...ors 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 Turn OFF the power switch SW1 to fix load errors and turn ON the switch again see note 1 Also the circuit carries the 2 fuses FU101 FU102 as a preventive function see note 2 The fuses blow to block the power supply when overcur...

Страница 59: ...nical Overview External And Controls System Service Works Notes on service works Service Works At parts replacement No work is required for this product at parts replacement Maintenance No periodically replaced parts durable parts or periodical service is set for this product Notes on service works None ...

Страница 60: ...3 3 Periodical Services Periodical Services Periodically Replaced Parts Consumables Periodical Service Cleaning ...

Страница 61: ...ables Consumables Periodical Services Consumables Consumables Periodically Replaced Parts Periodically Replaced Parts There is no periodically replaced part with this machine Consumables Consumables There is no consumable with this machine ...

Страница 62: ...Clean it with a dry lint free paper 3 Delivery Roller Clean it with a dry lint free paper 4 Pickup Roller Clean it with a dry lint free paper 5 Separation Pad Clean the rubber part with a lint free paper 6 Feed Roller Clean it with a dry lint free paper 7 Transfer Roller Basically do not touch it with your hands or clean it When cleaning is absolutely necessary clean with a dry lint free paper Tak...

Страница 63: ...er and wipe off the smudge with the soft dry cloth 6 ADF reading area Open the copyboard cover and wipe off the smudge with the soft dry cloth F 3 2 T 3 2 DADF 1 2 3 4 4 5 6 Cleaning parts Procedure 1 DADF Pickup Roller Unit Open the ADF and wipe off the smudge with the soft dry cloth 2 DADF Separation Pad Open the ADF and wipe off the smudge with the soft dry cloth 3 Delivery Roller Wipe off the ...

Страница 64: ...sembly Disassembly Assembly List of Parts List of Connectors External Cover Interior Document Exposure Feeder System Controller System Laser Exposure System Image Formation System Fixing System Pickup And Feeding System ...

Страница 65: ...g or transporting the machine be sure to remove the cartridge beforehand as needed However when the cartridge is removed from the machine be sure to put the Photosensitive Drum in a protective bag even in a short period of time to prevent the adverse effect of light 3 When assembling perform the disassembling procedure in reverse order unless otherwise specified 4 When assembling be sure to tighte...

Страница 66: ... 21 No Name Reference 1 DADF Rear Cover p 4 44 2 DADF Upper Cover p 4 44 3 Side Guide Plate Rear 4 DADF Front Upper Cover 5 Original Feed Tray 6 DADF Front Cover F 4 1 No Name Reference 7 Original Feed Auxiliary Tray 8 Side Guide Plate Front 9 Original Delivery Tray 10 Control Panel Unit p 4 79 p 4 79 11 Delivery Auxiliary Tray 12 Pickup Tray 13 Trailing Edge Paper Guides 14 Pickup Tray Paper Guid...

Страница 67: ...eference 1 Copyboard Glass p 4 68 2 Copyboard Upper Cover 3 Left Cover p 4 31 4 Power Supply Cord Slot 5 Power Switch 6 Rear Cover 7 USB Device Port 8 LAN Port 9 External Device Jack 10 Telephon Line Jack F 4 2 T 4 2 List of External Cover Interior SADF Models MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 Front Side 10 1 11 2 12 3 13 4 14 5 15 6 7 8 9 16 17 18 19 20 21 No Name Refer...

Страница 68: ...t p 4 79 p 4 79 11 Delivery Auxiliary Tray 12 Pickup Tray 13 Trailing Edge Paper Guides 14 Pickup Tray Paper Guides 15 Right Cover p 4 33 p 4 34 16 Multi Purpose Tray Paper Guides 17 Multi Purpose Tray 18 Tray Cover 19 Front Cover Unit p 4 35 20 Delivery Tray p 4 35 21 Upper Cover p 4 35 T 4 3 Rear Side MF4570dn MF4430 MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 10 1 2 3 4 5 6 7 8 9 10 7 7 9 No N...

Страница 69: ...ternal Cover Interior Copyboard Models MF4420n MF4410 MF4412 D520 Front Side 1 2 3 4 5 10 11 12 13 6 7 8 9 No Name Reference 1 Copyboard Cover p 4 64 2 Control Panel Unit p 4 79 3 Delivery Auxiliary Tray 4 Pickup Tray 5 Trailing Edge Paper Guides 6 Pickup Tray Paper Guides 7 Right Cover p 4 34 p 4 33 8 Multi Purpose Tray Paper Guides 9 Multi Purpose Tray F 4 5 No Name Reference 10 Tray Cover 11 Fr...

Страница 70: ...ar Side MF4420n MF4410 MF4412 D520 1 2 3 4 5 6 7 7 8 No Name Reference 1 Copyboard Glass p 4 66 2 Copyboard Upper Cover 3 Left Cover p 4 32 p 4 31 4 Power Supply Cord Slot 5 Power Switch 6 Rear Cover p 4 37 7 USB Device Port 8 LAN Port F 4 6 T 4 6 Main Unit Lists of DADF Unit and Reader Unit FAX Models MF4580dn 1 2 3 No Name Reference 1 DADF Unit p 4 42 2 Control Panel Unit p 4 79 3 Reader Unit p ...

Страница 71: ...arts Main Unit Lists of SADF Unit and Reader Unit FAX Models MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 Lists of DADF Unit and Reader Unit Models without FAX D550 1 2 3 No Name Reference 1 DADF Unit p 4 42 2 Control Panel Unit p 4 79 3 Reader Unit p 4 40 F 4 8 T 4 8 Lists of SADF Unit and Reader Unit FAX Models MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 2 3 1 F 4 9 ...

Страница 72: ...4 7523 FM4 7504 FM4 7528 MF4570dn JP MF4570dn US CA LTN MF4570dn EUR MF4570dn LTN SG HK AU MF4570dn CN MF4570dn KR MF4570dn TW MF4550d JP MF4550d EUR MF4550d LTN SG HK AU MF4550d CN MF4550d KR MF4553d KR MF4554d KR MF4450 JP MF4450 US CA LTN MF4450 EUR MF4450 LTN SG HK MF4450 CN MF4450 KR MF4450 TW MF4452 CN MF4453 KR p 4 79 3 Reader Unit FM4 6904 FM4 6949 MF4570dn MF4550d MF4553d MF4554d MF4450 M...

Страница 73: ...4420n JP MF4420n AU MF4420n CN MF4410 JP MF4410 EUR MF4410 CN MF4410 KR MF4412 LTN SG HK MF4412 CN D520 US CA LTN D520 EUR D520 LTN SG HK D520 CN p 4 79 3 Reader Unit FM4 6937 FM4 6921 D520 MF4420n MF4410 MF4412 p 4 64 F 4 11 T 4 11 List of 2 sided Printer Unit MF4580dn MF4550d MF4570dn D520 D550 2 4 5 1 6 3 No Name Service Parts No Reference 1 Duplex Feed Unit p 4 155 2 Fixing Assembly FM4 6983 R...

Страница 74: ... FM4 6983 RM1 7576 RM1 7577 100V 120V 230V p 4 125 2 Main Drive Unit 3 Laser Scanner Unit FM4 6929 MF4450 MF4452 MF4453 MF4430 MF4410 MF4412 MF4420n p 4 117 4 Pickup Tray Unit p 4 145 5 Pickup Unit FM4 6926 MF4450 MF4452 MF4453 MF4430 MF4410 MF4412 MF4420n p 4 138 F 4 13 T 4 13 Location of Electric parts List of DADF Unit 1 2 3 4 No Name Service Parts No Main Unit Reference 1 DS Sensor WG8 5696 DA...

Страница 75: ...DS Sensor WG8 5696 SADF Unit 2 DES Sensor WG8 5696 SADF Unit 3 SADF Motor FK3 1164 SADF Unit p 4 59 List of Reader Unit 1 2 No Name Service Parts No Main Unit Reference 1 CIS UNIT FK3 1153 Reader Unit p 4 72 p 4 74 2 Reader Motor FM4 6916 Reader Unit p 4 70 F 4 15 T 4 15 F 4 16 T 4 16 List of 2 sided Printer Unit MF4580dnMF4570dn MF4550d MF4553d MF4554d D550 D520 List of Motor Fan 1 2 3 No Name Se...

Страница 76: ...olenoid 1 2 No Name Service Parts No Main Unit Reference 1 Duplex Solenoid RK2 0420 Main Unit 2 Pickup Solenoid Pickup Unit p 4 148 F 4 18 T 4 18 List of Sensor 1 2 3 4 5 6 No Name Service Parts No Main Unit Reference 1 Encoder Sensor Main Unit 2 Multi Pickup Sensor Main Unit p 4 110 3 Toner Sensor FAX model MF4580dn MF4570dn MF4550d MF4553d MF4554d Main Unit p 4 110 4 Paper Leading Edge Sensor Pi...

Страница 77: ...MF4570dn MF4550d MF4553d MF4554d D550 D520 List of Switch 1 2 3 No Name Service Parts No Main Unit Reference 1 Speaker FK3 1144 FAX model MF4580dn MF4570dn MF4550d MF4553d MF4554d Main Unit p 4 113 2 Power Switch Main Unit 3 Door Switch Main Unit F 4 20 T 4 20 List of Heater Thermoswitch Thermistor 1 2 3 No Name Service Parts No Main Unit Reference 1 Thermoswitch Fixing Assembly 2 Fixing Heater Fi...

Страница 78: ...NCU PCB FM4 7185 FM4 7176 FM4 7186 FAX model MF4580dn JP MF4570dn JP MF4550d JP FAX model MF4580dn LTN SG HK KR EUR MF4570dn TW US CA LTN SG HK CN KR EUR MF4550d LTN SG HK CN KR EUR MF4553d KR MF4554d KR FAX model MF4580dn AU MF4570dn AU MF4550d AU Main Unit p 4 102 p 4 103 7 Main Controller PCB FM4 7163 FM4 7162 FM4 7165 FM4 7164 FM4 7167 FM4 7166 FM4 7168 FM4 7169 MF4580dn 100V MF4580dn 230V MF4...

Страница 79: ...1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 List of 1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 List of Motor Fan 1 2 No Name Service Parts No Main Unit Reference 1 Main Motor FM4 7491 Main Unit p 4 85 2 Laser Scanner Motor Laser Scanner Unit F 4 23 T 4 23 List of Solenoid 1 No Name Service Parts No Main Unit Reference 1 Pickup Solenoid Pickup ...

Страница 80: ...6 No Name Service Parts No Main Unit Reference 1 Encoder Sensor Main Unit 2 Multi Pickup Sensor Main Unit p 4 110 p 4 112 3 Toner Sensor FAX model MF4450 MF4452 MF4453 Main Unit p 4 110 4 Paper Leading Edge Sensor Pickup Unit p 4 104 5 Paper Width Sensor Fixing Assembly 6 Fixing Delivery Sensor Fixing Assembly F 4 25 T 4 25 List of Switch 1 2 3 No Name Service Parts No Main Unit Reference 1 Speake...

Страница 81: ... Service Parts No Main Unit Reference 1 Thermoswitch Fixing Assembly 2 Fixing Heater Fixing Assembly 3 Thermistor Fixing Assembly F 4 27 T 4 27 List of PCB 5 7 1 4 2 3 6 8 9 No Name Service Parts No Main Unit Reference 1 Control Panel PCB Control Panel Unit 2 Motor Driver PCB FM4 7063 Main Unit 3 Laser Driver PCB Laser Scanner Unit 4 Pseudo CI PCB FM4 7187 FAX model MF4450 100V Main Unit p 4 103 5...

Страница 82: ...r PCB FM4 7283 FM4 7282 FM4 7171 FM4 7172 FM4 7173 FM4 7174 FM4 7175 MF4450 100V MF4450 120V 230V MF4453 230V MF4452 230V MF4430 MF4420n MF4410 MF4412 LTN SG HK MF4412 CN Main Unit p 4 99 p 4 100 p 4 102 7 Engine Controller PCB FM4 7057 FM4 7058 FM4 7059 FM4 7087 MF4450 100V MF4450 120V MF4450 230V MF4452 230V MF4453 230V MF4430 230V MF4420n 230V MF4410 230V MF4412 230V MF4430 100V MF4420n 100V MF...

Страница 83: ...s Location of Electric parts List of 1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly List of Parts Location of Electric parts List of 1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 ...

Страница 84: ...1401 J1403 J No Name Relay Connector J No Name REMARKS J15 Main Controller PCB J1402 DES Sensor J15 Main Controller PCB J1403 DS Sensor J12 Main Controller PCB J1401 DADF Motor J8 Main Controller PCB J8 DADF Solenoid F 4 29 T 4 29 SADF Unit MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 J15 J12 J1402 J1403 J No Name Relay Connector J No Name REMARKS J15 Main Controller PCB J1402 DES ...

Страница 85: ...J1154 J542 J801 J1153 J571 J562 J751 J551 J1102 J1103 J1101 J1151 J No Name Relay Connector J No Name REMARKS J1101 Duplex Driver PCB J1154 Motor Driver PCB J1102 Duplex Driver PCB J1102 Duplex Solenoid J1103 Duplex Driver PCB J1103 Main Fan Unit J1151 Motor Driver PCB J571 Engine Controller PCB J1153 Motor Driver PCB J802 Laser Scanner Motor J801 Laser Driver PCB J542 Engine Controller PCB J101 E...

Страница 86: ...4570dn MF4550d MF4553d MF4554d J902 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 FAX model MF4580dn MF4570dn MF4550d MF4553d MF4554d F 4 33 J No Name Relay Connector J No Name REMARKS J602 Main Controller PCB J1204 FAX NCU PCB FAX model MF4580dn MF4570dn MF4550d MF4553d MF4554d J601 ...

Страница 87: ...aper Leading Edge Sensor J552 Engine Controller PCB J701 Fixing Delivery Paper Width Sensor PCB J562 Engine Controller PCB J562 Pickup Solenoid J702 Fixing Delivery Paper Width Sensor PCB Fixing Film Unit F 4 34 T 4 34 J401 J905 J901 J902 J7 J6 J601 J602 J581 J605 J1204 J1309 J1305 J1152 J1205 J1202 J1201 J3 J No Name Relay Connector J No Name REMARKS J1152 Motor Driver PCB J1152 Main Motor J581 E...

Страница 88: ...3 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly List of Connectors 1 sided Printer Unit MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 J No Name Relay Connector J No Name REMARKS J1202 FAX NCU PCB J1309 Pseudo CI PCB FAX model MF4450 J1205 FAX NCU PCB J1205 Speaker FAX model MF4450 T 4 35 ...

Страница 89: ...ADF Rear Cover p 4 44 2 DADF Upper Cover p 4 44 3 Side Guide Plate Rear 4 DADF Front Upper Cover 5 Original Feed Tray 6 DADF Front Cover F 4 36 No Name Reference 7 Original Feed Auxiliary Tray 8 Side Guide Plate Front 9 Original Delivery Tray 10 Control Panel Unit p 4 79 p 4 79 11 Delivery Auxiliary Tray 12 Pickup Tray 13 Trailing Edge Paper Guides 14 Pickup Tray Paper Guides 15 Right Cover p 4 33...

Страница 90: ...ence 1 Copyboard Glass p 4 68 2 Copyboard Upper Cover 3 Left Cover p 4 31 4 Power Supply Cord Slot 5 Power Switch 6 Rear Cover 7 USB Device Port 8 LAN Port 9 External Device Jack 10 Telephon Line Jack F 4 37 T 4 37 Location of SADF Models MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 Front Side 10 1 11 2 12 3 13 4 14 5 15 6 7 8 9 16 17 18 19 20 21 No Name Reference 1 SADF Rear Cover...

Страница 91: ...t p 4 79 p 4 79 11 Delivery Auxiliary Tray 12 Pickup Tray 13 Trailing Edge Paper Guides 14 Pickup Tray Paper Guides 15 Right Cover p 4 33 p 4 34 16 Multi Purpose Tray Paper Guides 17 Multi Purpose Tray 18 Tray Cover 19 Front Cover Unit p 4 35 20 Delivery Tray p 4 35 21 Upper Cover p 4 35 T 4 38 Rear Side MF4570dn MF4430 MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 10 1 2 3 4 5 6 7 8 9 10 7 7 9 No ...

Страница 92: ...412 D520 Front Side No Name Reference 10 Telephon Line Jack T 4 39 Location of Copyboard Models MF4420n MF4410 MF4412 D520 Front Side 1 2 3 4 5 10 11 12 13 6 7 8 9 No Name Reference 1 Copyboard Cover p 4 64 2 Control Panel Unit p 4 79 3 Delivery Auxiliary Tray 4 Pickup Tray 5 Trailing Edge Paper Guides 6 Pickup Tray Paper Guides 7 Right Cover p 4 34 p 4 33 8 Multi Purpose Tray Paper Guides 9 Multi...

Страница 93: ...MF4420n MF4410 MF4412 D520 Rear Side No Name Reference 10 Tray Cover 11 Front Cover Unit p 4 35 12 Delivery Tray p 4 35 13 Upper Cover p 4 35 T 4 40 Rear Side MF4420n MF4410 MF4412 D520 1 2 3 4 5 6 7 7 8 No Name Reference 1 Copyboard Glass p 4 66 2 Copyboard Upper Cover 3 Left Cover p 4 32 p 4 31 4 Power Supply Cord Slot 5 Power Switch 6 Rear Cover p 4 37 7 USB Device Port 8 LAN Port F 4 41 T 4 41...

Страница 94: ...553d MF4554d D550 D520 Removing the Left Cover Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 F 4 42 1 Open the rear cover 1 and remove the screw black TP 2 1 2 F 4 43 2 Remove the 2 rear claws 1 and the claw in the lower side 2 x3 1 2 3 Open the reader unit and remove the 2 upper claws 1 4 Remove th...

Страница 95: ...0 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Removing the Left Cover Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Note The locations of the 5 left cover claws 1 and 3 hooks 2 are shown here 1 2 F 4 46 1 Remove the screw black TP 1 1 F 4 47 2 Remove the 2 rear claws 1 and the lower claw 2 x3 2 1 3 Open the reader unit and remove the 2 upper claws 1 4 Remove the 3 hooks 2 to...

Страница 96: ...d MF4553d MF4554d D550 D520 Removing the Right Cover Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 Note The locations of the 5 right cover claws 1 and 3 hooks 2 are shown here 1 2 F 4 50 1 Open the rear cover 1 and remove the screw black TP 2 2 1 F 4 51 2 Remove the 2 rear claws 1 and the lower claw 2 x3 1 2 3 Open the reader unit and remove the 2 upper claws 1 4 Remove the 3 h...

Страница 97: ... MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Removing the Right Cover Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Note The locations of the 5 right cover claws 1 and 3 hooks 2 are shown here 2 1 F 4 54 1 Remove the screw black TP 1 1 F 4 55 2 Remove the 2 rear claws 1 and the lower claw 2 x3 1 2 3 Open the reader unit and remove the 2 upper claws 1 4 Remove the 3 hooks 2 t...

Страница 98: ...ing the Upper Cover 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 2 1 Remove the DADF unit and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 1 Remove the...

Страница 99: ...ly External Cover Interior Removing the Upper Cover 2 1 3 3 4 Remove the delivery tray 1 1 F 4 59 F 4 60 5 Remove the upper cover 1 6 screws black TP 2 1 2 2 x6 Caution When assembling the upper cover mount 2 fixing pressure arms 2 and a cartridge lock arm 3 to the delivery tray 1 1 3 2 2 F 4 62 F 4 61 ...

Страница 100: ... cover Single sided models Refer to page 4 32 2 1 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 2 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 Removing the Rear Cover Single s...

Страница 101: ...over Interior Removing the Rear Cover Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly External Cover Interior Removing the Rear Cover Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 ...

Страница 102: ... 4 48 5 DES Sensor WG8 5696 6 DADF Solenoid p 4 49 7 DADF Pickup Roller Unit FM3 8679 p 4 50 8 Reader Unit FM4 6915 FM4 7494 MF4580dn D550 p 4 40 9 Copyboard Glass FL2 5621 p 4 68 10 CIS UNIT FK3 1153 p 4 74 11 Reader Motor FM4 6916 p 4 70 F 4 65 T 4 42 Location of SADF Unit and Reader Unit MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 MF4430 1 6 4 2 3 5 7 10 9 8 No Name Service Parts No R...

Страница 103: ...Glass FL2 5621 p 4 66 4 CIS UNIT FK3 1153 p 4 72 5 Reader Motor FM4 6916 p 4 70 F 4 67 T 4 44 Before Removing the DADF Unit and Reader Unit 1 Remove the left cover Duplex models Refer to page 4 31 Removing the DADF Unit and Reader Unit 1 Close the DADF Unit Reader Unit 2 Remove the Hinge Face Cover 1 1 shaft 2 1 2 3 Open the DADF Unit and the Reader Unit 4 Remove the grounding wire 1 1 screw black...

Страница 104: ...nd Reader Unit x6 4 2 A 1 5 3 3 4 1 6 3 F 4 69 7 Remove the DADF unit and reader unit 1 2 claws 2 Caution When disassembling assembling the DADF unit and reader unit be careful not to damage the flat cables and harnesses with A part When assembling be sure to put the flat cables and harnesses through the A part before installing the DADF unit and reader unit A F 4 70 2 2 1 x2 F 4 71 ...

Страница 105: ...hinge arm claws 1 to the 2 latches 2 in the reader unit 2 1 2 1 F 4 72 Before Removing the DADF Unit 1 Remove the left cover Duplex models Refer to page 4 31 2 Remove the DADF unit and reader unit Refer to page 4 40 Removing the DADF Unit Caution Place the detached DADF unit to avoid damaging the bottom sheet 1 Remove the connector cover 1 4 claws 2 Note The locations of the 4 connector cover claw...

Страница 106: ...isassembly Assembly Document Exposure Feeder System Removing the DADF Unit 2 1 2 2 2 Disengage the reader harness 1 from the harness guide A 1 A F 4 74 F 4 75 3 Unlock the reader lock 1 in the lower side of the reader unit and open the DADF unit 2 1 2 4 Remove the DADF unit 1 1 F 4 76 F 4 77 ...

Страница 107: ...h the harness guide A When assembling the DADF unit wind the DADF harness 1 and reader harness 3 around the inside of the 2 flat cables 2 and mount the connector cover 4 4 3 A 1 2 F 4 78 Before Removing the DADF Pickup Unit 1 Remove the left cover Duplex models Refer to page 4 31 2 Remove the DADF unit and reader unit Refer to page 4 40 3 Remove the DADF unit Refer to page 4 42 Removing the DADF P...

Страница 108: ...Disassembly Assembly Document Exposure Feeder System Removing the DADF Pickup Unit 2 Push the claw 1 down to remove the DADF upper front cover 2 2 2 1 F 4 80 Caution When assembling the DADF upper front cover align the 2 left side hook 1 to the DADF front cover hole A to mount the cover 1 A F 4 81 ...

Страница 109: ...the DADF tray 1 to the stop position Then release the claw 3 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 B 3 2 A B 1 F 4 82 4 Open the DADF tray 1 as far as the position shown in the below diagram and then remove in an upward direction 1 5 Remove the DADF upper rear cover 1 1 boss 2 1 2 F 4 83 F 4 84 ...

Страница 110: ...Pickup Unit Disassembly Assembly Document Exposure Feeder System Removing the DADF Pickup Unit 6 Remove the DADF upper cover 1 2 shafts 2 1 2 2 7 Disengage the DADF unit communication cable 1 from the harness guide A 1 A F 4 85 F 4 86 8 Remove the DADF unit 1 5 screws 2 x5 1 2 2 F 4 87 ...

Страница 111: ...4 40 3 Remove the DADF unit Refer to page 4 42 4 Remove the DADF pickup unit Refer to page 4 44 Removing the DADF Motor Unit 1 Disengage the 2 connectors 1 and the grounding terminal 2 from the DADF communication cable 1 screw 3 1 edge saddle 4 1 harness guide A 4 3 A 2 x2 1 F 4 88 2 Remove the DADF motor unit 1 Caution Gently remove the DADF motor unit to prevent the gear phase from becoming disp...

Страница 112: ...that both the DADF pickup unit and DADF motor unit contact points A are in contact A F 4 91 F 4 92 Before Removing the DADF Solenoid Unit 1 Remove the left cover Duplex models Refer to page 4 31 2 Remove the DADF unit and reader unit Refer to page 4 40 3 Remove the DADF unit Refer to page 4 42 4 Remove the DADF pickup unit Refer to page 4 44 5 Remove the DADF pickup motor unit Refer to page 4 48 R...

Страница 113: ... solenoid unit be sure to put the solenoid shaft 1 through the hole A on the solenoid arm When assembling the DADF solenoid unit ensure that the 2 DADF pickup unit shafts 2 and the 2 DADF solenoid unit contact points B are in contact 1 A B 2 F 4 94 Removing the DADF Pickup Roller Unit Caution Do not touch the surface of the roller 1 Open the DADF upper cover 1 1 2 Remove the DADF upper cover 1 2 s...

Страница 114: ...tion When assembling the DADF pickup roller unit align the gear 2 and the D cut surface of the DADF pickup roller shaft 3 to mount the unit 1 2 3 4 Remove the 2 e rings 1 and 2 shaft supports 2 3 1 2 3 F 4 97 F 4 98 5 Remove the DADF pickup roller unit 1 Caution When assembling disassembling the DADF pickup roller unit take care not to lose the spring 2 1 2 6 Remove the shaft support 2 from the DA...

Страница 115: ... the pad surface 1 When disassembling assembling the DADF separation pad take care not to lose the spring 2 on the underside of the pad 1 2 F 4 101 1 Open the DADF cover 1 2 Open the inner guide 2 1 2 F 4 102 3 Remove the 2 screws 1 hold the 2 protruding parts A of the DADF separation pad and then remove the DADF separation pad cover 2 2 1 x2 A 4 Tilt the inner guide 1 and remove the DADF separati...

Страница 116: ...3 until it stops to install it 1 2 3 F 4 105 Before Removing the SADF Unit and Reader Unit 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the SADF Unit and Reader Unit 1 Remove the 2 grounding wires 1 1 screw black TP 2 2 Remove the 3 connectors 3 and 2 flat cables 4 2 ferrite cores 5 1 ferrite core 6 3 Disengage...

Страница 117: ...t 1 2 claws 2 Caution When disassembling assembling the SADF unit and reader unit be careful not to damage the flat cables and harnesses with A part When assembling be sure to put the flat cables and harnesses through the A part before installing the SADF unit and reader unit A F 4 107 1 x2 2 2 F 4 108 Caution When mounting the SADF unit and reader unit fix the 2 hinge arm claws 1 to the 2 latches...

Страница 118: ...to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 2 Remove the SADF unit and reader unit Refer to page 4 53 Removing the SADF Unit Caution Place the detached SADF unit to avoid damaging the bottom sheet 1 Remove the connector cover 1 1 hook 2 1 claw 3 Note The locations of the connector cover hook 2 and claw 3 are shown here 2 3 F 4 110 1 2 3 2 Disengage the reader harn...

Страница 119: ...ving the SADF Unit 3 Unlock the reader lock 1 in the lower side of the reader unit and open the SADF unit 2 1 2 4 Remove the SADF unit 1 1 F 4 113 F 4 114 Caution When mounting the SADF unit to the reader unit wind the SADF harness 2 and reader harness 3 around the inside of the 2 flat cables 1 and then mount the connector cover 4 1 2 3 4 F 4 115 ...

Страница 120: ...o page 4 32 2 Remove the SADF unit and reader unit Refer to page 4 53 3 Remove the SADF unit Refer to page 4 55 Removing the SADF Pickup Unit 1 Remove the SADF rear cover 1 2 claws 2 1 2 x2 2 Open the SADF pickup tray 1 and SADF upper cover 2 1 2 F 4 116 F 4 117 3 Remove the SADF front cover 1 2 claws 2 3 bosses 3 Caution When releasing the 2 claws 2 on the front cover be careful not to put too mu...

Страница 121: ...tem Removing the SADF Pickup Unit Disassembly Assembly Document Exposure Feeder System Removing the SADF Pickup Unit x2 1 2 3 3 4 Remove the SADF pickup tray 1 2 shafts 2 1 2 2 F 4 119 F 4 120 5 Remove the SADF upper cover 1 3 bosses 2 2 shafts 3 1 3 3 2 2 F 4 121 ...

Страница 122: ...up unit 1 3 screws 2 1 harness guide 3 2 2 3 x3 1 F 4 122 Before Removing the SADF Motor 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 2 Remove the SADF unit and reader unit Refer to page 4 53 3 Remove the SADF unit Refer to page 4 55 Removing the SADF Motor 1 Remove the SADF rear cover 1 2 claws 2 1 2 x2 F 4 123 ...

Страница 123: ...isassembly Assembly Document Exposure Feeder System Removing the SADF Pickup Roller 2 Remove the SADF motor 1 2 screws 2 2 harness bands 3 1 3 2 x2 2 F 4 124 Removing the SADF Pickup Roller Caution Do not touch the surface of the roller 1 Open the SADF pickup tray 1 and SADF upper cover 2 1 2 F 4 125 ...

Страница 124: ... 2 Lift the SADF unit and remove the SADF front cover 1 2 claws 2 3 bosses 3 Caution When releasing the 2 claws 2 on the front cover be careful not to put too much force or it may get damage 3 x2 2 1 Note The locations of the 2 claws 2 and 3 bosses 3 in the SADF front cover are shown here 2 3 3 2 F 4 127 F 4 126 3 Remove the SADF upper cover 1 3 bosses 2 2 shafts 3 2 3 2 3 1 F 4 128 ...

Страница 125: ...g the SADF Pickup Roller 4 Remove the gear 1 1 claw 2 2 1 5 Remove the 2 e rings 1 and the bushing 2 and then move the bushing 3 2 3 1 F 4 129 F 4 130 6 Lift the SADF pickup roller shaft 1 and remove the SADF pickup roller 2 1 2 Caution Align the protruding part A of the bushing to the cut out B of the shaft support to mount the bushing A B A F 4 132 F 4 131 ...

Страница 126: ...ADF Separation Pad Caution Do not touch the pad surface 1 When assembling disassembling the SADF separation pad take care not to lose the 2 springs 2 on the underside of the pad 2 1 F 4 133 1 Open the SADF pickup tray 1 and SADF upper cover 2 1 2 F 4 134 2 Remove the SADF separation pad 1 1 Caution When assembling the separation pad set the separation pad spring 1 onto the boss 2 1 2 F 4 136 F 4 1...

Страница 127: ... Removing the Copyboard Cover and Reader Unit 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the Copyboard Cover and Reader Unit 1 Remove the grounding wire 1 1 screw black TP 2 2 Remove the connector 3 and 2 flat cables 4 2 ferrite cores small 5 1 ferrite core large 6 3 Disengage the disconnected grounding wire ...

Страница 128: ...2 claws 2 Caution When disassembling assembling the copyboard cover and reader unit be careful not to damage the flat cables and harnesses with A part When assembling be sure to put the flat cables and harnesses through the A part before installing the copyboard cover unit and reader unit A F 4 139 2 2 1 x2 F 4 140 Caution When mounting the reader unit and copyboard cover fix the 2 hinge arm claws...

Страница 129: ... to page 4 64 2 Remove the control panel unit models without FAX Refer to page 4 79 Removing the Copyboard Glass Models with copyboard Caution Place the detached copyboard glass cover on a cloth etc to avoid damaging the bottom sheet When removing the copyboard glass take care not to touch the glass surface If the surface becomes dirty clean it with lens cleaning paper F 4 142 1 Press the unlock b...

Страница 130: ...Remove the reader upper cover 1 2 screws 2 6 claws 3 Note The locations of the 6 claws in the reader upper cover 3 are shown here 5 1 3 F 4 145 x2 x6 2 1 3 3 F 4 146 4 Remove the copyboard glass 1 Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading area A of the CIS ...

Страница 131: ...the SADF unit and reader unit models with SADF Refer to page 4 53 3 1 Remove the DADF unit models with DADF Refer to page 4 42 3 2 Remove the SADF unit models with SADF Refer to page 4 55 4 1 Remove the control panel unit models with FAX Refer to page 4 79 4 2 Remove the control panel unit models without FAX Refer to page 4 79 Removing the Copyboard Glass Models with DADF Models with SADF Caution ...

Страница 132: ...with SADF 3 Remove the reader upper cover 1 2 screws 2 6 claws 3 Note The locations of the 6 claws 3 in the reader upper cover are shown here 3 5 1 F 4 152 x2 x6 2 1 3 3 F 4 153 4 Remove the copyboard glass 1 Caution When assembling disassembling the copyboard glass take care not to lose the 2 CIS unit spacers 1 When assembling disassembling the copyboard glass do not touch the copy reading area A...

Страница 133: ... page 4 42 3 2 Remove the SADF unit models with SADF Refer to page 4 55 3 3 Remove the copyboard cover models with copyboard Refer to page 4 64 4 1 Remove the control panel unit models with FAX Refer to page 4 79 4 2 Remove the control panel unit models without FAX Refer to page 4 79 5 1 Remove the copyboard glass models with copyboard Refer to page 4 66 5 2 Remove the copyboard glass models with ...

Страница 134: ...Document Exposure Feeder System Removing the Flatbed Motor Unit 1 Move the CIS unit 1 1 2 Move the gear 1 and remove the belt 3 from the gear 2 2 3 1 F 4 158 F 4 159 3 Remove the guide cover 1 1 4 Disengage the harness 1 and the grounding wire 2 from the reader unit hole A and the harness guide B A 1 2 B F 4 160 F 4 161 ...

Страница 135: ... of the CIS unit to install the unit 1 2 F 4 163 F 4 162 Before Removing the CIS Unit Models with copyboard 1 Remove the copyboard cover models with copyboard Refer to page 4 64 2 Remove the control panel unit models without FAX Refer to page 4 79 3 Remove the copyboard glass models with copyboard Refer to page 4 66 Removing the CIS Unit Models with copyboard Caution When assembling disassembling ...

Страница 136: ...System Removing the CIS Unit Models with copyboard 1 Move the CIS unit 1 1 2 Remove the 2 spacers 1 flat cable 2 and guide 3 3 Remove the CIS unit 4 3 1 2 4 F 4 165 F 4 166 4 Remove the CIS unit 1 2 shafts 2 1 2 Caution When mounting the CIS unit align the teeth of the belt 1 to the teeth at the bottom of the CIS unit 2 to mount the unit 1 2 F 4 168 F 4 167 ...

Страница 137: ...ADF Refer to page 4 53 3 1 Remove the DADF unit models with DADF Refer to page 4 42 3 2 Remove the SADF unit models with SADF Refer to page 4 55 4 1 Remove the control panel unit models with FAX Refer to page 4 79 4 2 Remove the control panel unit models without FAX Refer to page 4 79 5 Remove the copyboard glass models with DADF models with SADF Refer to page 4 66 Removing the CIS Unit Models wit...

Страница 138: ...dels with SADF Disassembly Assembly Document Exposure Feeder System Removing the CIS Unit Models with DADF Models with SADF 4 Remove the CIS unit 1 2 shafts 2 1 2 Caution When mounting the CIS unit align the teeth of the belt 1 to the teeth at the bottom of the CIS unit 2 to mount the unit 1 2 F 4 173 F 4 172 ...

Страница 139: ...512 FM4 7519 FM4 7497 FM4 7501 FM4 7507 FM4 7513 FM4 7527 FM4 7526 MF4580dn JP MF4580dn LTN SG HK AU MF4580dn KR MF4580dn EUR MF4570dn JP MF4570dn US CA LTN MF4570dn TW MF4570dn LTN SG HK AU MF4570dn CN MF4570dn KR MF4570dn EUR MF4550d JP MF4550d LTN SG HK AU MF4550d CN MF4550d KR MF4550d EUR MF4553d KR MF4554d KR p 4 79 FM4 6923 FM4 6959 FM4 7495 FM4 6952 FM4 6965 FM4 7516 D550 US CA LTN D550 EUR...

Страница 140: ...MF4570dn 100V MF4550d 100V MF4570dn 120V D550 120V D520 120V MF4580dn 230V MF4570dn 230V MF4550d 230V MF4553d 230V MF4554d 230V D550 230V D520 230V p 4 93 p 4 96 11 Paper Leading Edge Sensor p 4 104 12 Fixing Delivery Paper Width Sensor PCB RM1 7440 p 4 107 13 Toner Sensor FAX model MF4580dn MF4570dn MF4550d MF4553d MF4554d p 4 110 T 4 45 Location of Single sided Models MF4450 MF4452 MF4453 MF4430...

Страница 141: ...MF4420n JP MF4420n AU MF4420n CN MF4410 JP MF4410 CN MF4410 KR MF4410 EUR MF4412 LTN SG HK MF4412 CN p 4 79 5 Multi Pickup Sensor p 4 110 p 4 112 6 Pseudo CI PCB FAX model MF4450 100V p 4 103 7 FAX NCU PCB FAX model MF4450 100V p 4 102 8 Main Controller PCB FM4 7283 FM4 7282 FM4 7171 MF4450 100V MF4450 120V 230V MF4453 230V MF4452 230V p 4 99 FM4 7172 MF4430 p 4 100 FM4 7173 MF4420n p 4 102 FM4 71...

Страница 142: ...dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 1 Open the reader unit 1 and remove the 2 screws black TP 2 2 1 x2 2 Remove the 3 lower claws 1 and close the reader unit 2 3 Remove the control panel unit 3 1 flat cable 4 2 3 4 1 x3 F 4 176 F 4 177 Removing the Control Panel Unit Models without FAX MF4430 MF4420n MF4410 MF4412 D550 D520 1 Open the reader unit 1 and remove the 2 screws black TP 2 x2...

Страница 143: ...models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 Remove the right cover Single sided models Refer to page 4 34 Removing the Drive Belt Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 Close the reader unit 1 and face the left side of the host machine downwards 2 Open the reader unit 1 Caution Take care when facing the left side of the host machine downwards because...

Страница 144: ...20n MF4410 MF4412 4 Remove the shaft support 1 and then the drive cover 2 4 screws 3 Caution Gently raise the drive cover 2 straight above to prevent the gear phase from becoming displaced 3 3 2 1 x4 5 Remove the fixing transmission gear 1 and the cartridge transmission gear 2 1 2 F 4 182 F 4 183 6 Remove the drive belt 1 1 Caution When assembling the drive gear install the cartridge arm 1 accordi...

Страница 145: ...n spring 4 Fixing transmission gear 9 Compression spring 5 Cartridge transmission gear F 4 186 Caution Align the drive cover 2 with the 8 shaft holes 1 to mount it 1 2 1 F 4 187 Before Removing the Drive Belt Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 1 Remove the right cover Duplex models Refer to page 4 33 Removing the Drive Belt Duplex models MF4580dn MF4570dn MF4550d MF4...

Страница 146: ...Assembly Controller System Removing the Drive Belt Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 3 Remove the tension unit 1 1 screw 2 2 1 F 4 189 4 Remove the shaft support 1 and then the drive cover 2 5 screws 3 Caution Gently raise the drive cover 2 straight above to prevent the gear phase from becoming displaced x5 3 2 3 1 F 4 190 ...

Страница 147: ... the cartridge transmission gear 2 1 2 6 Remove the drive belt 1 1 F 4 191 F 4 192 Caution When assembling the drive gear install the cartridge arm 1 according to the position shown in the left picture 1 1 F 4 193 Caution Assemble the drive gear in the order shown in the below picture 1 2 4 8 3 9 6 7 5 1 Primary deceleration pulley 6 Gear coupling 2 Timing belt 7 Feed deceleration gear 3 Fixing ra...

Страница 148: ...sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 Remove the left cover Single sided models Refer to page 4 32 2 1 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 2 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4...

Страница 149: ...ing the Main Motor Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 2 Remove the motor driver PCB 1 2 connectors 2 2 claws 3 x2 3 1 2 2 x2 1 3 Disengage the motor harness 1 from the harness guide A 4 Remove the motor guide 2 1 screw 3 3 2 1 A F 4 197 F 4 198 5 Remove the tension unit 1 1 screw 2 1 2 6 Remove the main motor 1 2 screws with washer 2 2 1 x2 F 4 199 F 4 200 ...

Страница 150: ...oving the Main Motor Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Caution When mounting the main motor attach the harness 1 to the upper side of the motor 1 F 4 201 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 202 F 4 203 ...

Страница 151: ...r unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 Removing the Main Motor Duplex models MF4...

Страница 152: ...Removing the Main Motor Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 4 Remove the duplex relay PCB 1 1 claw 2 Harness guide A 1 2 A 5 Disengage the motor harness 1 from the harness guide A 6 Remove the motor guide 2 1 screw 3 3 A 2 1 F 4 207 F 4 208 7 Remove the tension unit 1 1 screw 2 2 1 8 Remove the main motor 1 2 screws with washer 2 1 2 x2 F 4 209 F 4 210 ...

Страница 153: ...oving the Main Motor Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 Caution When mounting the main motor attach the harness 1 to the upper side of the motor 1 F 4 211 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 212 F 4 213 ...

Страница 154: ...dels with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 Removing the Main Fan Duplex models MF4580dn MF457...

Страница 155: ...MF4550d MF4553d MF4554d D550 D520 4 Remove the main fan 1 1 guide 2 2 claws 3 1 2 3 3 x2 Caution When mounting the main fan attach the harness 2 to the upper right side of the fan with the fan label 1 facing inwards 2 1 F 4 218 F 4 217 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 c...

Страница 156: ...fer to page 4 40 3 1 Remove the right cover Duplex models Refer to page 4 33 3 2 Remove the right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 6 1 Remove the rear cover Single sided models Refer to page 4 37 6 2 Remove the duplex feed unit Duplex models Refer to page 4 155 7 Remove the main controller PCB ...

Страница 157: ...3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 4 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 5 Free the harness retaining spring 3 from the 2 hooks B A 2 1 3 2 B F 4 223 F 4 224 6 Remove the 2 flat cables 1 and 7 connectors 2 and then disengage the harness from the guide A A 2 1 2 x9 7 Remove the engine controll...

Страница 158: ...the Engine Controller PCB Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 1 2 3 2 3 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 227 F 4 228 Caution Ensure that the terminal 1 is in contact with the contact spri...

Страница 159: ...e right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 6 1 Remove the rear cover Single sided models Refer to page 4 37 6 2 Remove the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 2 Remove the main controller PCB models ...

Страница 160: ...MF4420n MF4410 MF4412 D550 D520 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A 2 1 3 2 B 4 Remove the 2 flat cables 1 and 6 connectors 2 and then disengage the harness from the guide A 2 1 2 A x8 F 4 232 F 4 233 5 Remove the engine controller PCB 1 3 screws with washer 2 1 screw with tooth lock washer 3 1...

Страница 161: ...the Engine Controller PCB Models without FAX MF4430 MF4420n MF4410 MF4412 D550 D520 Caution When reassembling attach the engine controller PCB to the hook 1 and then mount the switchboard 3 to the lower side of the switch arm 2 1 2 3 2 3 2 3 Ensure that the switch arm 1 can move vertically 1 F 4 235 F 4 236 Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 F 4 237 ...

Страница 162: ... 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the Main Controller PCB Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 Note Proceed from step 1 for the 100V models Proceed from step 2 1 or 2 2 for the 120V 230V models 1 Remove the pseudo CI flat cable 1 1 F 4 238 Note Refer to step 2...

Страница 163: ...ck TP 3 1 2 3 3 x6 F 4 241 Before Removing the Main Controller PCB Models without FAX or NET MF4430 MF4410 MF4412 D550 D520 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the Main Controller PCB Models without FAX or NET MF4430 MF4410 MF4412 D550 D520 Note Refer to step 1 1 for the models with DADF Refer to step ...

Страница 164: ...isassembly Assembly Controller System Removing the Main Controller PCB Models without FAX or NET MF4430 MF4410 MF4412 D550 D520 1 2 Remove the 3 flat cables 1 and 3 connectors 2 x6 1 2 1 3 Remove the 3 flat cables 1 and 1 connector 2 x4 1 2 F 4 243 F 4 244 2 Remove the main controller PCB 1 1 screw binding 2 5 screws black TP 3 1 2 3 3 x6 F 4 245 ...

Страница 165: ...Controller PCB Model without FAX with NET MF4420n 1 Remove the 3 flat cables 1 and 1 connector 2 x4 1 2 2 Remove the main controller PCB 1 1 screw binding 2 5 screws black TP 3 1 2 3 3 x6 F 4 246 F 4 247 Before Removing the FAX NCU PCB Models with FAX 100V 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the FAX NC...

Страница 166: ...ver Single sided models Refer to page 4 32 Removing the FAX NCU PCB Models with FAX 120V 230V 1 Remove the FAX NCU PCB 1 1 flat cable 2 2 connectors 3 3 screws black TP 4 3 x3 x3 1 4 2 F 4 249 Before Removing the Pseudo CI PCB Models with FAX 100V 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 Removing the Pseudo CI PCB M...

Страница 167: ...per cover Refer to page 4 35 6 1 Remove the rear cover Single sided models Refer to page 4 37 6 2 Remove the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 3 Remove the main controller PCB models without FAX with NET Refer to page 4 102 Removi...

Страница 168: ...ews with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5 1 2 3 F 4 253 F 4 254 1 3 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 3 1 x5 2 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks ...

Страница 169: ...the Paper Leading Edge Sensor 4 Remove the 4 connectors 1 1 x4 5 Disengage the harness 1 from the harness guide A and remove the paper leading edge sensor 2 2 claws 3 3 2 3 1 A x2 F 4 257 F 4 258 Note The below picture shows how to wind the harness F 4 259 Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 F 4 260 ...

Страница 170: ...Remove the upper cover Refer to page 4 35 6 1 Remove the rear cover Single sided models Refer to page 4 37 6 2 Remove the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 3 Remove the main controller PCB models without FAX with NET Refer to page...

Страница 171: ...plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5 1 2 3 F 4 263 F 4 264 1 3 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 3 1 x5 2 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from...

Страница 172: ...ivery Paper Width Sensor PCB 4 Remove the 4 connectors 1 1 x4 5 Disengage the harness 1 from the harness guide A and remove the fixing delivery paper width sensor PCB 2 1 connector 3 2 claws 4 3 4 2 4 A 1 x2 F 4 267 F 4 268 Note The below picture shows how to wind the harness F 4 269 Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 F 4 270 ...

Страница 173: ...emove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 2 1 Remove the DADF unit and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 3 1 Remove the right cover Duplex models Refer to page 4 33 3 2 Remove the right cover Single sided models Refer to page 4 34 4...

Страница 174: ...Sensor Unit Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 272 F 4 273 2 Remove the 2 connectors 1 and pass it inside through the hole A in the left panel x2 A A 1 1 3 Remove the Toner sens...

Страница 175: ...DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 1 Remove the right cover Duplex models Refer to page 4 33 3 2 Remove the right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to pa...

Страница 176: ...claw 2 2 1 F 4 279 F 4 280 Before Removing the Speaker Models with FAX MF4580dn MF4570dn MF4550d MF4553d MF4554d MF4450 MF4452 MF4453 1 1 Remove the left cover Duplex models Refer to page 4 31 1 2 Remove the left cover Single sided models Refer to page 4 32 2 1 Remove the right cover Duplex models Refer to page 4 33 2 2 Remove the right cover Single sided models Refer to page 4 34 3 Remove the fro...

Страница 177: ...3d MF4554d MF4450 MF4452 MF4453 2 Pass the speaker harness 1 inside through the hole A in the left panel A 1 3 Disengage the speaker harness 1 from the harness guide A and pass it out through the hole B in the right panel A B 1 F 4 282 F 4 283 4 Remove the speaker 1 1 screw black TP 2 2 1 Caution When mounting the speaker attach the harness 1 to the upper side of the speaker So that the speaker ha...

Страница 178: ...he Laser Scanner Unit Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 1 Remove the left cover Duplex models Refer to page 4 31 2 1 Remove the DADF unit and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the ...

Страница 179: ... Scanner Unit Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 2 Move the laser scanner unit 1 4 screws 2 x4 1 2 2 1 3 Remove the laser scanner unit 1 1 flat cable 2 1 connector 3 1 2 3 F 4 288 F 4 289 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move verticall...

Страница 180: ...DF unit and reader unit models with SADF Refer to page 4 53 2 2 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Single sided models Refer to page 4 34 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 Removing the Laser Scanner Unit Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 ...

Страница 181: ...0 MF4412 Disassembly Assembly Laser Exposure System Removing the Laser Scanner Unit Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 295 F 4 296 ...

Страница 182: ...oller Image Formation System Location 1 No Name Service Parts No Reference 1 Transfer Roller p 4 119 F 4 297 T 4 48 Removing the Transfer Roller Caution When assembling disassembling the transfer roller do not touch the surface of the roller 1 Open the reader unit 1 and delivery tray 2 2 Remove the transfer roller bushing 3 2 claws 4 1 2 1 4 3 4 x2 F 4 298 ...

Страница 183: ...g the Transfer Roller Disassembly Assembly Image Formation System Removing the Transfer Roller 3 Hold both shafts 1 of the transfer roller and remove the roller 2 1 2 Caution When reassembling take care not to mistake the direction of the bushing 1 1 1 F 4 300 F 4 299 ...

Страница 184: ...der unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 6 Remove the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refe...

Страница 185: ...els MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 1 1 1 Remove the harness guide 1 1 screw black TP 2 1 wire saddle 3 1 2 3 1 1 2 Remove the anti noise plate 1 1 screw black TP 2 2 1 F 4 302 F 4 303 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5...

Страница 186: ... D550 D520 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A 2 1 3 2 B 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 1 1 2 2 x4 F 4 306 F 4 307 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harness guide A 7 Disengage the fixing harness 4 from the harness holder 3 A 2 1 ...

Страница 187: ...ng Assembly Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 9 Remove the shaft support 1 of the delivery roller 1 F 4 310 10 Remove the fixing assembly 1 3 screws 2 x3 2 2 1 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connector 3 A 1 2 3 F 4 312 F 4 311...

Страница 188: ...o page 4 35 5 Remove the upper cover Refer to page 4 35 6 Remove the rear cover Single sided models Refer to page 4 37 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 3 Remove the main controller PCB models without FAX with NET Refer to page 4 102 8 1 Remove the FAX NCU PCB 100V models with FAX...

Страница 189: ...ed models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 1 1 Remove the harness guide 1 1 screw black TP 2 1 wire saddle 3 1 2 3 1 1 2 Remove the anti noise plate 1 1 screw black TP 2 2 1 F 4 315 F 4 316 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP ...

Страница 190: ...e main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 3 1 x5 2 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A 2 1 3 2 B F 4 319 F 4 320 4 Remove the 2 left right reinforcing plates 1 4 screws black TP 2 2 1 2 1 x4 5 Remove the 4 connectors 1 6 Disengage the harness 2 from the harne...

Страница 191: ...odels MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 8 Remove the harness holder 1 1 claw 2 1 2 9 Remove the shaft support 1 of the delivery roller 1 F 4 323 F 4 324 10 Remove the fixing assembly 1 3 screws 2 1 2 2 x3 Caution When mounting the fixing harness wrap the fixing harness 2 around the protruding part 1 of the harness holder pass it through the harness guide A and then mount the connec...

Страница 192: ...F4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly Fixing System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Note The below picture shows how to wind the harness F 4 327 Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 F 4 328 ...

Страница 193: ...ng System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly Fixing System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 ...

Страница 194: ...ng System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly Fixing System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 ...

Страница 195: ...ng System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Disassembly Assembly Fixing System Removing the Fixing Assembly Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 ...

Страница 196: ...MF4553d MF4554d D550 D520 3 1 4 5 2 6 7 No Name Service Parts No Reference 1 Duplex Feed Unit p 4 155 2 Pickup Unit FM4 6892 p 4 134 3 Duplex Solenoid RK2 0420 4 Pickup Tray Unit p 4 143 5 Separation Pad FM4 6893 p 4 154 6 Pickup Roller 7 Pickup Solenoid p 4 148 F 4 329 T 4 50 Location of Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 2 3 4 5 No Name Service Parts No Refer...

Страница 197: ... the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 8 1 Remove the FAX NCU PCB 100V models with FAX Refer to page 4 102 8 2 Remove the FAX NCU PCB 120V 220V models with FAX Refer to page 4 103 9 Remove the pseudo CI board PCB 100V models with FA...

Страница 198: ...0dn MF4550d MF4553d MF4554d D550 D520 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5 1 2 3 F 4 333 F 4 334 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A 2 1...

Страница 199: ...520 Disassembly Assembly Pickup And Feeding System Removing the Pickup Unit Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 5 Free the paper leading edge sensor harness 1 and pickup solenoid harness 2 from the harness guide A A 1 2 F 4 337 6 Remove the shaft retainer 1 1 7 Face the front of the host machine downwards F 4 338 F 4 339 ...

Страница 200: ...F4554d D550 D520 8 Remove the 6 screws TP 1 and the screw with washer 2 1 2 x7 9 Remove the pickup unit 2 while holding down the pickup tray 1 1 2 F 4 340 F 4 341 Caution When mounting the pickup unit 1 ensure that the contact spring 2 is in contact with the area A Make sure the grounding contact point 3 is in contact with the area B Mount the pickup unit 1 while holding down the pickup tray 4 B A...

Страница 201: ...age 4 35 6 Remove the rear cover Single sided models Refer to page 4 37 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 3 Remove the main controller PCB models without FAX with NET Refer to page 4 102 8 1 Remove the FAX NCU PCB 100V models with FAX Refer to page 4 102 8 2 Remove the FAX NCU PCB...

Страница 202: ...ngle sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 1 1 Remove the harness guide 1 1 screw black TP 2 1 wire saddle 3 1 2 3 1 1 2 Remove the anti noise plate 1 1 screw black TP 2 2 1 F 4 345 F 4 346 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws b...

Страница 203: ...52 MF4453 MF4430 MF4420n MF4410 MF4412 1 3 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 3 1 x5 2 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A 2 1 3 2 B F 4 349 F 4 350 4 Remove the 4 connectors 1 1 x4 5 Free the paper leading edge sensor harness 1 and pickup sol...

Страница 204: ... Assembly Pickup And Feeding System Removing the Pickup Unit Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 6 Remove the shaft retainer 1 1 7 Face the front of the host machine downwards F 4 353 F 4 354 8 Remove the 6 screws TP 1 and the screw with washer 2 1 2 x7 9 Remove the pickup unit 2 while holding down the pickup tray 1 1 2 F 4 355 F 4 356 ...

Страница 205: ...MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 Caution When mounting the pickup unit 1 ensure that the contact spring 2 is in contact with the area A Make sure the grounding contact point 3 is in contact with the area B Mount the pickup unit 1 while holding down the pickup tray 4 1 4 2 3 A B F 4 357 Note The below picture shows how to wind the harness F 4 358 Caution Ensure that the terminal 1 ...

Страница 206: ...page 4 31 2 1 Remove the DADF unit and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 ...

Страница 207: ... D520 Disassembly Assembly Pickup And Feeding System Removing the Pickup Tray Unit Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 2 Remove the pickup tray unit 1 2 boss holes 2 2 hooks 3 2 bosses 4 Caution When assembling disassembling the pickup tray unit hold the pickup tray 5 down to attach release it 5 F 4 361 4 1 2 3 2 3 F 4 362 ...

Страница 208: ...4 Before Removing the Pickup Tray Unit Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 1 Remove the left cover Single sided models Refer to page 4 32 2 1 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 2 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Single sided models Refer to page 4 34...

Страница 209: ...4453 MF4430 MF4420n MF4410 MF4412 2 Remove the pickup tray unit 1 2 boss holes 2 2 hooks 3 2 bosses 4 Caution When assembling disassembling the pickup tray unit hold the pickup tray 5 down to attach release it 5 F 4 366 4 1 3 3 2 2 F 4 367 Caution Align the 2 boss holes 1 2 hooks 2 and 2 bosses 3 of the pickup tray unit with the pickup unit to mount the unit 3 2 1 1 2 When assembling the pickup tr...

Страница 210: ...e Pickup Roller Removing the Pickup Roller Caution When assembling disassembling the pickup roller do not touch the surface of the roller When assembling disassembling the pickup roller do not touch the transfer roller 1 1 F 4 370 1 Open the reader unit and copyboard cover 1 and delivery tray 2 2 Remove the pickup roller 3 2 claws 4 1 2 3 4 F 4 371 ...

Страница 211: ...over Refer to page 4 35 6 Remove the duplex feed unit Duplex models Refer to page 4 155 7 1 Remove the main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 8 1 Remove the FAX NCU PCB 100V models with FAX Refer to page 4 102 8 2 Remove the FAX NCU PCB 120V 220V models with FAX Refer to page 4 103 9 Remove the pseudo ...

Страница 212: ...F4570dn MF4550d MF4553d MF4554d D550 D520 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5 1 2 3 F 4 374 F 4 375 2 Remove the terminal 1 and then disengage the harness 2 from the harness guide A 3 Free the harness retaining spring 3 from the 2 hooks B A...

Страница 213: ...emoving the Pickup Solenoid Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 5 Free the pickup solenoid harness 1 from the harness guide A A 1 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 F 4 378 F 4 379 Note The below picture shows how to wind the harness F 4 380 Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 ...

Страница 214: ...e main controller PCB models with FAX Refer to page 4 99 7 2 Remove the main controller PCB models without FAX or NET Refer to page 4 100 7 3 Remove the main controller PCB models without FAX with NET Refer to page 4 102 8 1 Remove the FAX NCU PCB 100V models with FAX Refer to page 4 102 8 2 Remove the FAX NCU PCB 120V 220V models with FAX Refer to page 4 103 9 Remove the pseudo CI board PCB 100V ...

Страница 215: ...F4410 MF4412 1 1 3 Remove the main controller mounting plate 1 4 screws with washer 2 2 screws black TP 3 x6 3 2 1 1 2 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 x5 1 2 3 F 4 384 F 4 385 1 3 Remove the main controller mounting plate 1 3 screws with washer 2 2 screws black TP 3 3 1 x5 2 2 Remove the terminal 1 and then disengage the harness 2 from the har...

Страница 216: ...up And Feeding System Removing the Pickup Solenoid Single sided models MF4450 MF4452 MF4453 MF4430 MF4420n MF4410 MF4412 4 Remove the 4 connectors 1 1 x4 5 Free the pickup solenoid harness 1 from the harness guide A 1 A F 4 388 F 4 389 6 Remove the screw 1 move the solenoid arm 2 and remove the pickup solenoid 3 1 2 3 Note The below picture shows how to wind the harness F 4 391 F 4 390 ...

Страница 217: ...Removing the Separation Pad Caution Ensure that the terminal 1 is in contact with the contact spring 2 2 1 F 4 392 Removing the Separation Pad Caution When assembling disassembling the separation pad do not touch the surface of the pad 1 Face the left side of the host machine downwards 2 Remove the separation pad 1 2 screws 2 1 2 F 4 393 ...

Страница 218: ... and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Remove the front cover unit Refer to page 4 35 5 Remove the upper cover Refer to page 4 35 Removing the Duplex Feed Unit D...

Страница 219: ...0dn MF4550d MF4553d MF4554d D550 D520 1 Remove the left cover Duplex models Refer to page 4 31 2 1 Remove the DADF unit and reader unit models with DADF Refer to page 4 40 2 2 Remove the SADF unit and reader unit models with SADF Refer to page 4 53 2 3 Remove the copyboard cover and reader unit models with copyboard Refer to page 4 64 3 Remove the right cover Duplex models Refer to page 4 33 4 Rem...

Страница 220: ...4553d MF4554d D550 D520 2 Disengage the solenoid harness 1 from the guide A 1 connector 2 2 A 1 3 Pass the solenoid harness 1 out through the hole A in the right panel A 1 F 4 399 F 4 400 4 Remove the duplex reverse solenoid 1 1 screw 2 2 1 Caution When mounting the duplex reverse solenoid align the solenoid lever 1 with the groove in the link 2 and insert the 2 solenoid positioning protrusions 3 ...

Страница 221: ...550 D520 Disassembly Assembly Pickup And Feeding System Removing the Duplex Reverse Solenoid Duplex models MF4580dn MF4570dn MF4550d MF4553d MF4554d D550 D520 Caution When mounting the scanner cover pass the shutter open close lever 1 through the hole A in the scanner cover 1 A Ensure that the shutter open close lever 1 can move vertically 1 F 4 403 F 4 404 ...

Страница 222: ...5 5 Adjustment Adjustment Mechanical Adjustment ...

Страница 223: ... width 1 Prepare an all black print of A4 size made by the same type of EP Toner cartridge for this printer before visiting the customer site 2 Load the printed sheet facing DOWN on the pickup tray 3 Print a test page 4 Turn off the printer when the leading edge of the paper appears in the face down delivery slot Wait for 60 seconds and open the cartridge door to remove the paper from the printer ...

Страница 224: ...6 6 Trouble Shooting Trouble Shooting Test Print Trouble Shooting Items Version Upgrade ...

Страница 225: ...the operation procedure a 1 sided print 1 Set A4 LTR papers on the pickup tray or the manual feed pickup tray 2 Continuously open and close the Delivery Tray 1 at least 5 times for odd number of times with the Power Switch ON 3 A 1 sided engine test print is executed b 2 sided print 1 Set A4 LTR papers on the pickup tray or the manual feed pickup tray 2 Continuously open and close the Delivery Tra...

Страница 226: ... mode items Setting items Setting value Description Additional information Finishing Processing Option Special Print Mode A Not used Mode 1 through 4 Factory setting Mode 2 Make a setting to perform thinning of printed image data by processing of the controller When the value set for the mode increases the amount of thinning increases The image density decreases Printing time does not increase bec...

Страница 227: ...nting Main controller PCB DCON Control the printer unit DC controller PCB Some UST versions meet less numbers of firmware than those listed above F 6 3 T 6 2 Preparation System Requirements OS one of the following Microsoft Windows 2000 Server Professional Microsoft Windows XP Professional Home Edition Microsoft Windows Server 2003 Microsoft Windows Vista Only as for the 32 bit processor version M...

Страница 228: ...stem Settings Update Firmware The message Will you restart the device to upgrade firmware is shown on the display Select Yes 5 Press OK to automatically restart the device DOWNLOAD MODE is shown on the display 6 Wait for the motor of the host machine to stop Note Press STOP key to cancel Download mode and return to the normal operation Downloading System Software 1 Open UST USTUPD exe 2 Take a not...

Страница 229: ...ton 5 Click Start button F 6 7 F 6 8 6 Click Yes button for the warning message to start download 7 Click OK button when download is completed 8 Turn off and on the power to restart the device 9 Output the spec report from Service mode to confirm if the firmware version is the same as that on the note taken in Step 2 COPIER FUNCTION MISC P OUTPUT SPEC F 6 9 F 6 10 F 6 11 ...

Страница 230: ...7 7 Error Codes Error Codes Overview Error Codes ...

Страница 231: ...cribes codes shown in case any problem is occurred Since this product does not collect logs for jams and alarms no jam alarm code is shown Code type Description Reference Error code Shown for any problem occurred in the device List of error codes Jam code N A Alarm code N A T 7 1 ...

Страница 232: ...occurs after several times of turning the power OFF ON execute the following remedies 1 Check that the heater resistance measured between 1PIN and 2PIN of the cable J101 on the Main Controller Board is in the following range Replace the Fixing Assembly when the resistance value is abnormal 1 100 V machine Heater resistance 12 9 Ω 7 2 120 V machine Heater resistance 16 0 Ω 7 3 230 V machines Heater...

Страница 233: ...ies 1 Check the connection of connectors between the Main Controller Board J601 J602 and the FAX NCU Board J1201 J1204 2 Replace the connectors between the Main Controller Board J601 J602 and the FAX NCU Board J1201 J1204 3 Replace the FAX NCU Board 4 Replace the Main Controller Board E740 0002 Error detection on either Network Board or Mac address When the same error repeatedly occurs after sever...

Страница 234: ...8 8 Service Mode Service Mode Overview COPIER FEEDER FAX TESTMODE ...

Страница 235: ...de FAX test mode F 8 1 Screen flow of Service mode Initial Category Sub category screen Select the item Up arrow down arrow key COPIER SERVICE MODE FEEDER FAX TESTMODE Go to Sub category screen OK key Go to Initial screen Return key Item selection screen Select the item Up arrow down arrow key ADJ X ADJ Y ADJ Y DF ADJ X MG STRD POS 0 0 0 0 0 Go to Setting screen OK key Go to Sub category screen Re...

Страница 236: ...ader Copyboard Yes FB TARGET G Shading target value for GREEN of Reader Copyboard Yes FB TARGET R Shading target value for RED of Reader Copyboard Yes FB TARGET BW Shading target value of Reader Copyboard in black and white Yes DF TARGET B Shading target value for BLUE of DF Yes DF TARGET G Shading target value for GREEN of DF Yes DF TARGET R Shading target value for RED of DF Yes DF TARGET BW Sha...

Страница 237: ... image is larger or smaller than original image Adjustment Adjust by comparing the copy output and original Increase the value when output image is smaller Decrease the value when output image is larger Setting range 30 30 Factory default settings Value after RAM clear 0 Caution This adjustment is targeted to adjust the image position on copy output This may affect to the image of SCAN Yes T 8 5 C...

Страница 238: ...cution of lighting function for Scanning Lamp T 8 7 T 8 8 MISC P OUTPUT When outputting the report place paper in the Pickup Cassette and remove paper from the Multi purpose Tray If paper is placed in the Multi purpose Tray the report is not output even if paper is placed in the Pickup Cassette COPIER FUNCTION MISC P Sub item Description SRVC DAT To output the system data list system dump list as ...

Страница 239: ...from MP tray Adjustment in 0 1mm Setting range 50 150 Default value 100 Yes TOP CST Adjustment of leading edge margin when feeding from cassette Adjustment in 0 1mm Setting range 50 150 Default value 100 Yes TOP DUP CST Adjustment of leading edge margin on both sides back side when feeding from cassette Adjustment in 0 1mm Setting range 50 150 Default value 100 Yes LEFT CST Adjustment of left marg...

Страница 240: ...large or small It can be cleared Yes 2 SIDE 2 sided copy print counter Count up the number of passing through the duplex path in copying printing when ejecting a paper from the machine and duplex stacking Blank paper is also counted Count up by 1 regardless of large or small It can be cleared Yes SCAN Scanning counter Count up the number of scanning when scanning is completed Count up by 1 regardl...

Страница 241: ...ing range 30 30 Yes LA SPD Adjustment of magnification ratio in vertical scanning direction in stream feeding Setting range 200 200 Yes FUNCTION FEEDER FUNCTION Sub item Description ADF model only FEED CHK Paper feeding test for only ADF Setting value 0 Simplex 1 Duplex Yes SL ON Operation start up for solenoid Yes MTR ON Operation start up for motor Yes FEED ON Paper feeding test for only ADF Yes...

Страница 242: ...and the followings Bit 4 Declare cut sheets Bit 5 Declare LRT LGL in DIS Bit 6 Prohibit ECM outgoing transmission Bit 7 Prohibit ECM incoming transmission FAX SSSW SSSW No Bit No Function SW 06 Setting of reading criteria Bit 0 Move from DES to pre scan position Bit 1 Pre scan at time other than power ON Bit 2 Restrict document length Bit 3 Stamp option Bit 4 Reading width 0 A4 1 LTR Bit 5 Record ...

Страница 243: ...cedure Bit 2 Prohibit calling party from V8 late start Bit 3 Prohibit called party from V8 late start Bit 4 Prohibit V 34 called party from starting fallback Bit 5 Prohibit V 34 calling party from starting fallback SW 29 Not in use SW 30 Bit 0 Support for 1284 device ID Bit 5 New dial tone detection method SW 31 Not in use SW 32 Bit 0 Canon NTT NSX switching SW Bit 5 0 NCU2004 1 NCU2002 SW 33 SW 5...

Страница 244: ...CNG monitor duration while the answering device is activated 0 to 999 26 No signal detection level while the answering device is activated 0 to 7 27 Duration to detect preamble of V21 low speed flag 20 10ms 28 50 Not in use 51 Threshold to detect hook 10 to 9999 53 Set DTMF calling counts when receiving FAX remotely 0 to 9999 54 Set BusyTone outgoing duration when using handset 0 to 9999 55 73 Not...

Страница 245: ...999 x10ms 06 Signal detection table 0 to 16 07 Signal detection level 0 to 7 08 Number of valid tone detection 0 to 9999 times T 8 25 T 8 26 T 8 27 BUSY TONE0 1 Bit switch Bit No Function 1 0 Bit 0 Bit 1 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal Start from valid ON signal Start from either valid ON signal or OFF signal Bit 5 Bit 6 Signal form Continuous...

Страница 246: ...table 0 to 16 07 Signal detection level 0 to 7 08 Number of valid tone detection 0 to 9999 times T 8 31 T 8 32 T 8 33 AUTO RX 1 Numeric value parameter Parameter No Function Setting range 01 CI ON time 0 to 9999 x10ms 02 Cl long off time 0 to 9999 x10ms 03 Cl off time 0 to 9999 x10ms 04 CL long off time 0 to 9999 x10ms 05 Cl MAX off time 0 to 9999 x10ms 06 Cl wait time 0 to 9999 x10ms 07 CI freque...

Страница 247: ...0 to 9999 x10ms 05 T4 timer 0 to 9999 x10ms 06 Signal detection table 0 to 16 07 Signal detection level 0 to 9 08 Number of valid tone detection 0 to 9999 times PBX BUSY TONE 1 Bit switch Bit No Function 1 0 Bit 0 Bit 1 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal Start from valid ON signal Start from either valid ON signal or OFF signal Bit 5 Bit 6 Signal...

Страница 248: ... Yes MAX Play with maximum volume by pressing OK key Yes T 8 41 T 8 42 SCAN ADJUST ADF ADJ TESTMODE SCAN ADJUST ADF ADJ Sub item Description ADF model only DF SPEED Enter the adjustment value for the magnification ratio in vertical scanning direction in stream feeding Setting range 200 200 Yes DF OFFSET Enter for the adjustment of DF original stop position Setting value 30 30 Yes SENSOR TESTMODE S...

Страница 249: ...0dpi RGB 300dpi RGB 150dpi Gray600dpi Gray300dpi Gray150dpi Mono600dpi Mono300dpi Mono150dpi PAGE Display the number of bookfeed pages START Start of bookfeed STOP End of bookfeed T 8 45 T 8 46 FAX MODEM TESTMODE FAX MODEM Sub item Description FAX model only FREQ Transmit selected frequency in closed DC circuit using tone generation function of modem Setting values 462Hz 1100Hz 1300Hz 1500Hz 1650H...

Страница 250: ...t 2 Execute CNG signal check and FED check Detect CNG after CML relay is OFF Yes PANEL TESTMODE FAX PANEL Sub item Description KEY CHECK START Key check Applicable case Check if all keys functions normally after replacement of Control Panel LED CHECK START LED check Applicable case Check if all LEDs are lit normally after replacement of Control Panel LCD CHECK START LCD check Applicable case Check...

Страница 251: ... Service Tools Solvent Oil List General Circuit Diagram General Timing Chart Appendix ...

Страница 252: ...gth 191mm 8 Philips screwdriver CK 0106 M4 M5 Length 85mm 9 Flat blade screwdriver CK 0111 10 Precision slot head screwdriver CK 0114 6 pieces set 11 Hex key wrench set CK 0151 5 pieces set 12 Smooth file CK 0161 13 Hex screwdriver CK 0170 M4 Length 107mm 14 Nipper CK 0201 15 Long nose pliers CK 0202 16 Pliers CK 0203 17 Stop ring pliers CK 0205 For shaft ring 18 Crimping tool CK 0218 19 Tweezers ...

Страница 253: ...vent Oil List Name Usage Remarks Ethyl alcohol Cleaning e g Metal parts Grease Toner contamination Local procurement Keep fire away Lubricant Apply it on gears etc Apply it on shafts and shaft supports etc tool number HY9 0007 Dow Corning made Molykote EM 50L T 9 2 ...

Страница 254: ...or black model only For white model only SADF model only DADF model only For white model only For black model only J1309 J1305 NCU_FFC ARREST_GND 3 3V MUL_SNS FSRTH FANON GND DUPSOL 24V VIN CI2 CI1 MTRPWM 24P2 HV J304 TP FUSER_CABLE GND TOR_SNS 5V N C TR_CABLE 230V CIS_FFC GND 5R J401 OPCNT CORE OPCNT_FFC SNS2_CABLE TONER_SNS_CABLE J1102 J101 TR_CABLE 120V TR_CABLE 100V J12 J8 J15 2 1 J402 CIS COR...

Страница 255: ... Masking emission 1 3 Print temperature control Print command Print command Waiting for a print command 0 5 1 1 0 1 0 8 Max 4 1 1 1 Cleaning bias Cleaning bias Print bias Cleaning bias BD emission Forcible emission Controls at 80 C Relay 1 Print command Scanner motor Laser diode Main motor Pickup solenoid Leading edge sensor Fixing delivery sensor Primary charging bias DC Developing bias AC Develo...

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