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4

4

4-180

4-180

Disassembly/Assembly > Controller System > Location > (1/2)

Disassembly/Assembly > Controller System > Location > (1/2)

Controller System

Location

 

■

(1/2)

[10]

[11]

[3]

[4]

[1]

[5]

[6]

[7]

[8]

[9]

[2]

F-4-407

No.

Parts Name

Main Unit

Remarks

Reference

Adjustment during 
parts replacement

[1] Controller Cover Product 

Configuration

-

(Refer to page 4-182) -

[2] Main Controller 

PCB

Product 

Configuration

UN20

(Refer to page 4-183) (Refer to page 4-58)

[3] Wireless LAN 

PCB

Product 

Configuration

MF8280Cw 

/8240Cw 

UN16

(Refer to page 4-182) -

[4] Speaker

Product 

Configuration

MF8280Cw 

/8250Cn 

SP1

(Refer to page 4-212) -

[5] Control Panel 

Key PCB

Control Panel 

Unit

UN22

(Refer to page 4-199) -

[6] Control Panel 

LCD PCB

Control Panel 

Unit

UN21

(Refer to page 4-199) -

[7] Control Panel 

Unit

Product 

Configuration

-

(Refer to page 4-196) -

[8] DC Controller 

PCB

Product 

Configuration

UN1

(Refer to page 4-186) (Refer to page 4-61)

[9] Driver PCB

Product 

Configuration

UN2

(Refer to page 4-187) -

[10] Fan

Product 

Configuration

FM1

(Refer to page 4-211) -

[11] High Voltage 

Power Supply 

PCB

Product 

Configuration

UN3

(Refer to page 4-193) -

T-4-41

Содержание Color imageCLASS MF8580Cdw

Страница 1: ...7 6 5 4 3 2 1 MF8500Series MF8200Series Service Manual Rev 0 Product Overview Technical Overview Periodical Services Disassembly Assembly Adjustment Trouble Shooting Error codes Service Mode Appendex...

Страница 2: ...nformation as the need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not ap...

Страница 3: ...eans flipping on the power 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 v...

Страница 4: ...er size 1 10 Name of Parts 1 12 External View 1 12 Cross Section View 1 15 Control Panel 1 17 Contents 2 Technical Overview Basic Configuration 2 2 Configuration function 2 2 Basic Sequence 2 2 Print...

Страница 5: ...4 40 Removing the ADF Separation Roller 4 41 Removing the ADF Separation Pad 4 42 Removing the ADF Pickup Feed Unit 4 43 Removing the ADF Pickup Motor 4 46 Removing the Reader Unit Upper Cover 4 47 R...

Страница 6: ...Right Cover 4 147 Removing the Front Covent Cover 4 150 Removing the Rear Upper Cover 4 153 Removing the Rear Lower Cover 4 154 Removing the Rear Cover 4 155 Removing the Upper Cover 4 156 Document ex...

Страница 7: ...er 4 235 Removing the Multi purpose Tray Unit 4 237 Removing the Pickup Unit 4 242 5 Adjustment Overview 5 2 Adjustment at Parts Replacement 5 3 Document Exposure Feed System 5 3 Controller System 5 6...

Страница 8: ...List of SSSW 8 36 List of MENU 8 38 List of NUM 8 38 Setting of NCU Parameters 8 39 TESTMODE 8 43 PRINT 8 43 FAX 8 44 Appendex Service Tools II Special Tools II Solvents and Oils II General Circuit Di...

Страница 9: ...CDRH Provisions Notes When Handling a Lithium Battery Laser Safety Toner Safety Notes on Assembly Disassembly Safety Precautions F 0 1...

Страница 10: ...IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS The following warnings are given to comply with Safety Principles EN60950 CAUTION Wenn mit dem falschen Typ au...

Страница 11: ...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 re...

Страница 12: ...1 1 Product Overview Product Overview Product Lineups Product Features Specifications Name of Parts...

Страница 13: ...es SEND Yes Yes Yes Yes Yes Sequre Print Yes Yes Yes Yes Yes Remote UI Yes Yes Yes Yes Yes ADF 1 side Yes Yes Yes Yes Yes ADF 2 side Yes Yes Yes Yes Yes Automatic 2 sided Print Yes Yes Yes Yes Yes F 1...

Страница 14: ...t with 250 sheet capacity for paper of 60 90g m2 2 TELEPHONE 6 KIT Long cord Cool White Telephone call is enabled by using the handset AUS EUR HANDSET KIT 3 Long cord Cool White CLA CSPL CIPL CHK TWN...

Страница 15: ...MFP 430 mm 428 5 mm 430 mm 375 mm 434 mm 478 5 mm MF8200 Series MF8210Cn MF8500 Series Improved operability by new color UI F 1 5 F 1 6 Mobile print supported Apple Air Print Google Cloud Print Addit...

Страница 16: ...unction MF8500 Series MF8200 Series Print area Cassette For print jobs Non envelope Leading edge 5 0 2 0 mm Left Side 5 0 1 5 mm For print jobs envelope Leading edge 10 0 2 0 mm Left Side 10 0 1 5 mm...

Страница 17: ...C Allowable humidity 20 80 in relative humidity no condensation Operational noise At stand by 43 dB or lower acoustic power level During copy jobs Color 67 dB or lower B W 66 dB or lower At stand by...

Страница 18: ...m Mixed paper Available Document AE sensor N A Document size sensor N A Stamp function N A Allowable environment Same as device T 1 6 Wireless LAN Specifications Item Specification Function Standard I...

Страница 19: ...speed is currently available in PSTN Note that available modem speed is telephone line dependent Telephone line connection 1 Communication Protocol Super G3 G3 Modulation method Image modulation V 34...

Страница 20: ...8 8 LTR 12 2 9 0 12 2 9 0 LGL 10 8 8 0 10 8 8 0 Coated 2 120 to 130g m2 Coated 3 155 to 163g m2 A4 6 5 3 0 5 0 3 0 LTR 6 9 3 0 5 0 3 0 LGL 5 6 3 0 4 4 2 8 Coated 4 210 to 220g m2 A4 5 0 LTR 5 0 LGL 4...

Страница 21: ...to 110g m2 Coated 2 120 to 130g m2 Coated 3 155 to 165g m2 A4 3 210 0 297 0 YES YES LTR 3 215 9 279 4 YES YES Coated 4 210 to 220g m2 A4 3 210 0 297 0 YES 100 to 110g m2 215 9 279 4 YES Transparency...

Страница 22: ...YES 5 YES 5 Coated 1 100 to 110g m2 Coated 2 111 to 130g m2 Coated 3 131 to 160g m2 A4 3 210 0 297 0 YES YES LTR 3 215 9 279 4 YES YES Coated 4 161 to 220g m2 A4 3 210 0 297 0 YES LTR 3 215 9 279 4 YE...

Страница 23: ...7 8 9 10 11 12 13 2 3 4 5 6 14 16 17 15 13 18 F 1 7 1 Document guide 10 Main power switch 2 Feeder 11 Vent hole 3 Control panel 12 Speaker 4 Front cover 13 Grip 5 Multi purpose tray MP tray 14 Paper s...

Страница 24: ...Rear Side 1 2 3 4 5 6 7 8 9 1 USB port 6 Rear cover 2 LAN port 7 Rating plate 3 Telephone line terminal 8 Vent hole 4 External telephone terminal 9 Power socket 5 Handset terminal F 1 8 Inside 1 2 3 4...

Страница 25: ...15 Delivery tray 6 Cassette 16 Copyboard glass 7 Document feed tray 17 USB memory port 8 Extension tray 18 Manual feed guide 9 Document delivery tray 19 Platen Cover for MF8210 only 10 Main power swit...

Страница 26: ...fer pad 3 Fixing film unit 12 ITB unit 4 Delivery roller 13 Cassette pickup roller 5 Toner cartridge 14 Cassette separation roller 6 Laser scanner unit 15 Registration roller 7 Photosensitive drum 16...

Страница 27: ...sembly 9 Primary transfer pad 3 Feed roller 10 ITB unit 4 Fixing film unit 11 Cassette separation roller 5 Toner cartridge 12 Cassette pickup roller 6 Laser scanner unit 13 Registration roller 7 Photo...

Страница 28: ...25 Error indicator 11 Status Monitor key 26 Wi Fi Lamp MF8570Cdw MF8280Cw only 12 Energy Saver key 27 Processing Data indicator 13 ID key 28 Multi keys left right 14 Scan PC1 Scan PC2 key 29 Display...

Страница 29: ...specify or register various settings Report key A report or a list is printed You can also make settings related to printing of a report Status Monitor key The processing status and usage history of p...

Страница 30: ...2 2 Technical Overview Technical Overview Basic Configuration Document Exposure Feeder System Controller System Laser Control System Image Formation System Fixing System Pickup Feed System...

Страница 31: ...ges and units being in place move the developing unit to the home position and clean the ITB When needed color displacement is corrected and the image is stabilized STBY STBY Interval from the wait ti...

Страница 32: ...motor M1 Developing motor M2 Pickup motor M3 Fixing motor M4 Scanner motor M7 Cassette pickup solenoid SL2 Development contact solenoid SL3 Registration sensor SR4 Fixing delivery sensor SR5 Vertical...

Страница 33: ...701 Pickup motor M702 Fixing motor M703 Scanner motor M704 Cassette pickup solenoid SL705 Development contact solenoid SL706 Paper leading edge sensor SR602 Fixing delivery sensor SR609 Vertical sync...

Страница 34: ...ormal mode when environment temperature is 20 deg C and above and switched to 1 2 speed mode when the temperature is lower than 20 deg C 3 For Ticick Paper 3 129 to 163 g m2 switched to 1 2 speed mode...

Страница 35: ...orizontal scanning direction Image processing by the Main Controller PCB Vertical scanning direction The speed at which the carriage moves and image processing by the Main Controller PCB Lens CIS Colo...

Страница 36: ...ent is applied when the original is read from the ADF In the case where only a part of the document is read due to the scaling setting the read area and the output result differ between copyboard read...

Страница 37: ...nal onto the original tray pushes up the actuator activating light shielded light transmitted the Document Sensor SR703 and resulting in detection of the presence of original 2 Detection of the End of...

Страница 38: ...r to the Chapter 5 Adjustment After replacing ADF Unit 1 Execute the white level adjustment 2 Execute the reading position adjustment 3 Execute the original stop position and feed speed adjustment at...

Страница 39: ...the system image processing reader ADF FAX and network and maintain various setting values DC Controller PCB Provides controls on printer laser high voltage PCBs I O etc and maintain setting values F...

Страница 40: ...ery Roller Diplex Feed Roller Stepping Motor Not Available Pickup Motor M5 Pickup Roller Multi Manual feed Roller Multi Purpose Tray Pickup Roller Stepping Motor Not Available MF8200 Series Name Drivi...

Страница 41: ...3 3V of the DC power supply in the low voltage power supply before supplied to the printer engine MF8500 Series Noise Filter Fuse FU1101 Fuse FU1102 Fuse FU1201 Fixing Power Supply Rectifying Circuit...

Страница 42: ...ay LCD Sleep Sleep 1 at power OFF on the reader engine and the display LCD Sleep 2 at power OFF on the reader and the engine Sleep 3 3W sleep at power off on the reader the engine and the display LCD...

Страница 43: ...paper size groups 2 Clearing setting registered data 3 Adjustment and input of default values 4 Migrating the serial number 5 In Remote UI import the user data 6 In service mode import the service mo...

Страница 44: ...figure below shows the Laser Scanner Unit schematically BD Sensor Laser Driver Scanning Mirror Scanning Motor SCANNER MOTOR SPEED CONTROL signal VIDEO signal LASER CONTROL signal BD signal Photosensi...

Страница 45: ...he value on the label packed with the Laser Scanner Unit in service mode 2 After the registration affix the label packed with the unit on the inside of the Right Cover Maintenance No periodically repl...

Страница 46: ...l roller The figure below shows the image formation system schematically DC controller High voltage power supply Secondary transfer external roller ITB Cartridge Laser beam ITB cleaning unit Fixing un...

Страница 47: ...toner image on the paper ITB cleaning block 8 ITB cleaning Clean the residual toner on the ITB Drum cleaning block 9 Drum cleaning Clean the residual toner on the photosensitive drum Flow of paper Ro...

Страница 48: ...hotosensitive drum is visualized by toner deposited in this block Step 3 Development Toner is deposited on the static latent image formed on the photosensitive drum Toner is then charged negatively th...

Страница 49: ...TB ITB Primary transfer pad Photosensitive drum DC bias F 2 22 Step 5 Secondary transfer Transfer the toner image on the ITB to paper The DC positive bias is applied to the secondary transfer external...

Страница 50: ...image Media Pressure roller Fixing film Toner Fixing heater F 2 25 Cleaning block The residual toner on the ITB surface is cleaned in this step Step 8 ITB cleaning The DC positive bias is applied to...

Страница 51: ...s Cleaning block Cleaning block The residual toner on the photosensitive drum is cleaned in this block Step 9 Drum cleaning The cleaning blade scrapes off the residual toner on the photosensitive drum...

Страница 52: ...ping cylinder cartridge Blade bias DC negative Adjust the charged toner amount on the developing cylinder Developing blade cartridge Primary transfer bias DC negative Transfer the toner image on the p...

Страница 53: ...f Color displacement correction control Toner cartridge Laser scanner unit ITB unit Color displacement density sensor Signal from color displacement density signal Bias Video signal Auto gradation cor...

Страница 54: ...l is to correct the gradation by the main controller PCB based on the half tone density measured by the DC controller PCB Upon D max control completed the DC controller PCB and the main controller PCB...

Страница 55: ...s independently included in each toner cartridge This causes color displacement at the trailing edge due to cartridge dependent image area in the horizontal scanning direction Auto gradation correctio...

Страница 56: ...The state of the Developing Cylinder for each color engagement disengagement differs depending on the condition of the Main Body Condition of the Main Body Y M C Bk Power OFF Standby Disengagement Mo...

Страница 57: ...l Overview Image Formation System Service Tasks Notes on Field Service Service Tasks Action for Parts Replacement No work is required at parts replacement of this product Maintenance No periodically r...

Страница 58: ...to the fixing heater The thermistor detects the fixing heater temperature to input the temperature detection signal to the DC controller Note that temperatures at heater ends are not detected in mode...

Страница 59: ...increased from 3rd or 4th sheet of the job MF8500 Series Based on the combination of detection result of the Pre registration Detection Sensor and detection result of paper length L paper interval ex...

Страница 60: ...emperatures are set in the fixing film depending on paper types 3 Sheet to sheet temperature control This control lowers the sheet to sheet fixing heater temperature during continuous printing in the...

Страница 61: ...temperature failure The thermistor temperature remains at pre defined temperature or higher for the pre defined time Related error code E001 0000 main thermistor E001 0001 sub thermistor MF8500 Serie...

Страница 62: ...multiple rollers The figure below shows the structure of the Pickup Feed System schematically MF8500 Series Face down Delivery Cassette Pickup MP Tray Pickup Duplexing Feeding Pickup slot Cassette MP...

Страница 63: ...y Feed Roler Cassette Pickup Roller Cassette Separation Roller Registration Roller Secondary Transfer External Roller Pressure Roller Delivery Roller MP Tray Separation Pad MP Tray Pickup Roller Duple...

Страница 64: ...livery sensor SL1 MP Tray Pickup Solenoid SR10 Fixing arch sensor SL2 Cassette Pickup solenoid SR12 Pre registration sensor SL5 Duplex reversal solenoid SR13 Cassette paper sensor CL1 MP Tray Feeding...

Страница 65: ...ce conveyed from the pickup roller This enables to avoid multi feeding The figure below shows the multi feeding prevention mechanism employed in this product Media Separation roller Pickup roller Lift...

Страница 66: ...e pickup MF8500 SR4 MF8200 SR602 Fixing delivery stationary jam This occurs when the trailing edge of the paper is not detected by the fixing delivery sensor 2 within the pre defined duration after th...

Страница 67: ...nical Overview Pickup Feed System Service Works Notes on service works Service Works At parts replacement No work is accompanied with parts replacement Maintenance No periodically replaced parts durab...

Страница 68: ...3 3 Periodical Services Periodical Services Periodically Replaced Parts Durable Parts Periodical Services Cleaning...

Страница 69: ...7 8 5 Cleaning parts Procedure 1 Fixing front guide Clean with lint free paper For heavy soils use alcohol to wipe off with lint free paper 2 Laser beam window glass Clean with lint free paper 3 Mult...

Страница 70: ...dical Services Cleaning MF8200 series 3 4 2 1 Cleaning parts Procedure 1 Pickup roller Clean with lint free paper For heavy soils use alcohol to wipe off with lint free paper 2 Separation roller 3 Pap...

Страница 71: ...nt Exposure Feed System Controller System Laser Exposure System Image Formation System Fixing System Pickup Feeder System MF8200 series List of Parts External Cover Internal Cover Document exposure fe...

Страница 72: ...4 1 No Parts Name Remarks Reference 1 ADF Front Upper Cover 2 ADF Upper Cover 3 Side Guide Front 4 Side Guide Rear 5 Document Tray 6 Extension Tray 7 Sub Tray 8 Delivery Tray 9 Right Cover Refer to pa...

Страница 73: ...ternal Internal Cover MF8500 series Rear Side Rear Side 10 2 4 5 7 8 9 1 3 6 No Parts Name Remarks Reference 1 ADF Rear Cover 2 Rear Upper Cover Refer to page 4 24 3 Rear Cover Refer to page 4 24 4 Re...

Страница 74: ...e Remarks Reference Adjastment during parts replacement 1 ADF Unit Refer to page 4 35 Refer to page 4 36 2 Reader Unit Refer to page 4 35 Refer to page 4 37 3 Control Panel Unit Refer to page 4 70 4 D...

Страница 75: ...4 4 No Parts Name Remarks Reference Adjastment during parts replacement 9 Fixing Assembly Refer to page 4 104 10 Laser Scanner Unit Refer to page 4 90 Refer to page 4 94 11 ITB Unit Refer to page 4 95...

Страница 76: ...ly Cooling Fan Product configuration Refer to page 4 86 FM2 Duplex Feeding Fan Rear Cover Rib Unit Refer to page 4 88 M1 Drum Motor Main Drive Unit Refer to page 4 102 M2 Developing Motor Main Drive U...

Страница 77: ...ater Fixing Film Unit 120V H220 Fixing heater Fixing Film Unit 220V TH801 Main Thermistor Fixing Film Unit TH802 Sub Thermistor 1 Fixing Film Unit TH803 Sub Thermistor 2 Fixing Film Unit SP1 Speaker P...

Страница 78: ...ader Unit PS702 Document End Sensor ADF Paper Feeder Unit PS703 Document Sensor ADF Paper Feeder Unit SR1 Paper Feeder Pre Registration Detection Sensor Pickup Unit SR2 Front Cover Sensor Product conf...

Страница 79: ...nfiguration UN17 Off Hook PCB Product configuration MF8580Cdw 8550Cdn Refer to page 4 75 UN23 Wireless LAN PCB Product configuration MF8580Cdw Refer to page 4 57 T 4 8 UN7 UN6 UN16 UN8 UN9 UN10 UN2 UN...

Страница 80: ...ub PCB J4003 J1301 H220 Fixing heater 220V J311 UN8 Low Voltage Main PCB J4003 J1301 H220 Fixing heater 220V J651 UN7 Fixing Sub PCB J312 UN8 Low Voltage Main PCB J301 UN8 Low Voltage Main PCB J301 IN...

Страница 81: ...tage Sub PCB J153 UN1 DC Controller PCB J3015 PCB28 Environment Sensor J161 UN5 Relay PCB J601 PCB29 Patch Sensor J161 UN5 Relay PCB J611 PCB30 Patch Registration Sensor J163 UN5 Relay PCB J3011 SR4 R...

Страница 82: ...DC Controller PCB J654 UN7 Fixing Sub PCB J162 UN5 Relay PCB J3010 SR7 MP Tray Pre Registration Detection Sensor J167 UN5 Relay PCB J3006 SR14 MP Tray Paper Detection Sensor J167 UN5 Relay PCB J4017 J...

Страница 83: ...N2 Driver PCB J2005 M3 Registration Motor J204 UN2 Driver PCB J2003 M2 Developing Motor J205 UN2 Driver PCB J2001 M4 Fixing Motor J206 UN2 Driver PCB J206 FM1 Fixing Fixing Power Supply Cooling Fan J2...

Страница 84: ...UN1 DC Controller PCB J707 UN6 Fixing Relay PCB J152 UN1 DC Controller PCB J701 UN10 Duplex Driver PCB J157 UN1 DC Controller PCB J706 UN6 Fixing Relay PCB J703 UN10 Duplex Driver PCB J703 SL5 Duplex...

Страница 85: ...ence 1 ADF Front Upper Cover 2 ADF Upper Cover 3 Side Guide Front 4 Side Guide Rear 5 Document Tray 6 Extension Tray 7 Sub Tray 8 Delivery Tray 9 Right Cover Refer to page 4 20 10 Control Panel Lower...

Страница 86: ...Cover Location Rear Side Rear Side 10 2 4 5 7 8 9 1 3 6 No Parts Name Remarks Reference 1 ADF Rear Cover 2 Rear Upper Cover Refer to page 4 24 3 Rear Cover Refer to page 4 24 4 Rear Lower Cover Refer...

Страница 87: ...Remove the Cassette 1 3 Open the ADF Unit Reader Unit 2 and the Front Cover 3 1 about 5 cm 3 2 4 Remove the 2 screws 2 x2 1 F 4 14 F 4 15 5 While pushing the claw 2 of the Left Cover 1 hold the top o...

Страница 88: ...sembly External Cover Internal Cover Removing the Left Cover Installing the Left Cover 6 Release the hook 2 and remove the Left Cover 1 while opening the rear of the Left Cover 1 1 2 F 4 18 Installing...

Страница 89: ...Cover Internal Cover Removing the Left Cover Installing the Left Cover 2 Fit the protrusion 1 of Left Cover to the groove 2 of the frame 3 Insert the claw 3 of the Left Cover to the groove 4 of the U...

Страница 90: ...Removing the Right Cover Procedure 1 Open the ADF Unit Reader Unit 1 and remove the Right Cover 2 4 Screws 3 3 Hooks 4 3 4 3 3 x4 2 1 F 4 22 Installing the Right Cover 1 Fit the 3 hooks 2 of the Righ...

Страница 91: ...g the Right Cover Disassembly Assembly External Cover Internal Cover Removing the Right Cover Installing the Right Cover 3 Install the 3 hooks 1 at the left side of the Right Cover and the 3 holes 2 o...

Страница 92: ...ve the Right Cover Refer to page 4 20 Procerdure 1 Remove the Cassette 2 Open the ADF Unit Reader Unit 1 and the Front Cover 2 3 Draw out the Cartridge Tray 4 Remove the 2 screws 2 x2 4 2 3 1 F 4 27 5...

Страница 93: ...ght Cover Refer to page 4 20 3 Remove the Left Cover Refer to page 4 17 4 Remove the Right Front Cover Refer to page 4 22 Procerdure 1 Remove the bushing support 1 2 screws 2 x2 1 2 2 Remove the 2 pin...

Страница 94: ...the Right Cover Refer to page 4 20 2 Remove the Left Cover Refer to page 4 17 Procedure 1 Close the ADF Unit Copyboard Reader Unit 2 Open the Rear Cover 3 Remove the 2 screws 1 1 x2 4 Push the 2 claws...

Страница 95: ...ing the Rear Lower Cover Preparation 1 Remove the Right Cover Refer to page 4 20 2 Remove the Left Cover Refer to page 4 17 3 Remove the Rear Upper Cover Refer to page 4 24 4 Remove the Rear Cover Ref...

Страница 96: ...er Procedure Disassembly Assembly External Cover Internal Cover Removing the Rear Lower Cover Procedure 4 Move the Rear Lower Cover 1 aside from the A part of the Duplex Reverse Drive Unit 2 5 Hold th...

Страница 97: ...he Right Cover Refer to page 4 20 2 Remove the Left Cover Refer to page 4 17 3 Remove the Rear Upper Cover Refer to page 4 24 4 Remove the Rear Cover Refer to page 4 24 5 Remove the Rear Lower Cover R...

Страница 98: ...Remove the Right Cover Refer to page 4 20 2 Remove the Left Cover Refer to page 4 17 3 Remove the Right Front Cover Refer to page 4 22 4 Remove the ADF Unit Reader Unit Refer to page 4 32 5 Remove th...

Страница 99: ...Cover Removing the Upper Cover Procedure Disassembly Assembly External Cover Internal Cover Removing the Upper Cover Procedure 4 Push down the flag 1 and remove the rear side of the Upper Cover 2 1 2...

Страница 100: ...ridge Tray Procedure Removing the Cartridge Tray Procedure CAUTION When removing the Toner Cartridge be careful not to damage the Photosensitive Drum Also be sure to block light 1 Open the Front Cover...

Страница 101: ...DF Unit Refer to page 4 43 3 ADF Roller Unit ADF Unit Refer to page 4 38 4 ADF Pickup Roller ADF Roller Unit Refer to page 4 40 5 ADF Separation Roller ADF Roller Unit Refer to page 4 41 6 ADF Motor A...

Страница 102: ...Be sure to perform After replacing ADF unit Refer to page 4 36 and After replacing reader unit Refer to page 4 37 when replacing the ADF Unit and Reader Unit respectively 1 Open the ADF Unit Reader Un...

Страница 103: ...hine 1 Flat Cable Connector Lock 3 3 Connectors 4 1 Claw 5 3 Harness Guides 6 x5 x3 2 4 4 5 6 6 3 1 F 4 53 CAUTION Be sure to perform the following when connecting the Flat Cable 1 to the connector wi...

Страница 104: ...ng the ADF Unit Reader Unit Procedure Disassembly Assembly Document Exposure Feed System Removing the ADF Unit Reader Unit Procedure 7 Put the 2 Grounding Wires 1 through the hole A and open and remov...

Страница 105: ...ve the ADF Unit Reader Unit Refer to page 4 32 Procedure CAUTION Be sure to perform After replacing ADF unit Refer to page 4 36 and After replacing reader unit Refer to page 4 37 when replacing the AD...

Страница 106: ...CCD DF WLVL2 White level adjustment DF scanning COPIER FUNCTION CCD DF WLVL3 White level adjustment BW copyboard scanning COPIER FUNCTION CCD DF WLVL4 White level adjustment BW DF scanning 2 Checking...

Страница 107: ...ite level adjustment copyboard scanning COPIER FUNCTION CCD DF WLVL3 White level adjustment BW copyboard scanning Then set a blank paper on the DF and execute the following service mode COPIER FUNCTIO...

Страница 108: ...re 6 Read the image and execute the adjustment with the following service mode FEEDER ADJUST DOCST Image reading start position adjustment at ADF reading FEEDER ADJUST LA SPEED Original feed speed adj...

Страница 109: ...sembly Assembly Document Exposure Feed System Removing the ADF Roller Unit Procedure 3 Remove the plastic E ring 1 and slide the bushing 2 1 2 4 Remove the ADF Roller Unit 1 1 plastic E ring 2 1 bushi...

Страница 110: ...the ADF Roller Unit to the boss 2 1 2 Be sure to put the Sensor Flag 1 above the ADF Roller Unit 2 at installation work 1 1 2 2 F 4 67 F 4 68 Removing the ADF Pickup Roller Preparation 1 Remove the AD...

Страница 111: ...t Refer to page 4 38 Procedure CAUTION Do not touch the surface of the roller 1 Remove the bushing 1 and the 2 plastic E rings 2 1 2 2 Slide the Roller Shaft 1 to remove the parallel pin 2 and the bus...

Страница 112: ...aration Pad Procedure Removing the ADF Separation Pad Procedure CAUTION Do not touch the surface of the roller or pad 1 Open the ADF Upper Cover 1 1 2 Remove the Feed Guide 1 2 Bosses 2 1 2 2 F 4 75 F...

Страница 113: ...Pickup Feed Unit Procedure CAUTION Be careful not to lose the Spring 1 on the Separation Pad Holder 1 F 4 79 5 Remove the ADF Separation Pad 1 Pad Retainer 2 Sheet 3 1 2 3 F 4 80 Removing the ADF Pick...

Страница 114: ...rocedure 3 Lift the ADF Tray 1 until it stops and release the hook 2 to tip the tray into the perpendicular position and remove by pulling upward 2 1 1 F 4 83 4 Remove the boss 1 to remove the ADF Rea...

Страница 115: ...ure Disassembly Assembly Document Exposure Feed System Removing the ADF Pickup Feed Unit Procedure 6 Remove the 3 screws 1 of the ADF Pickup Feed Unit x2 1 1 7 Close the ADF Upper Cover 1 to remove th...

Страница 116: ...nit Refer to page 4 43 Procedure NOTE When removing the ADF Pickup Motor it is not necessary to remove the ADF Upper Cover Unit described in the previous step 1 Remove the ADF Motor 1 in the direction...

Страница 117: ...er Unit Refer to page 4 35 Procedure CAUTION Be sure to perform After Replacing the Reader Upper Cover Unit Refer to page 4 48 when replacing the Reader Upper Cover Unit respectively CAUTION To replac...

Страница 118: ...ing service mode 2 and write the value in the service label 1 COPIER FUNCTION INSTALL STRD POS reading position adjustment auto execution 2 COPIER ADJUST ADJ XY STRD POS reading position adjustment va...

Страница 119: ...Unit Upper Cover Unit Refer to page 4 47 Procedure CAUTION Be sure to perform After replacing CIS unit Refer to page 4 51 when replacing the CIS unit respectively 1 Pull the Drive Belt 1 to move the...

Страница 120: ...the package of the service part at the same time If a different spacer is used image reading error may occur 1 2 2 F 4 100 F 4 99 CAUTION When installing the CIS Unit 1 be sure to replace the CIS Spa...

Страница 121: ...ER ADJUST ADJ XY STRD POS reading position adjustment value reference 3 Set a blank paper on the Copyboard Glass and execute the white level adjustment with the following service mode 1 Then check the...

Страница 122: ...ecute the original stop position and feed speed adjustment at stream reading FEEDER ADJUST DOCST Image reading start position adjustment at ADF reading FEEDER ADJUST LA SPEED Original feed speed adjus...

Страница 123: ...oving the Reader Scanner Motor Procedure 2 Pull the Drive Belt 1 to move the CIS Unit 2 3 Loosen the screw 3 and move the Pulley Holder 4 in the direction of the arrow to remove the Drive Belt 1 4 1 3...

Страница 124: ...ssembly Document Exposure Feed System Removing the Reader Scanner Motor Procedure 7 Move the Motor Mounting Plate 1 and turn it over 2 screws 2 1 Grounding Plate 3 x2 2 1 3 8 Pass the connector 1 thro...

Страница 125: ...ation MF8580Cdw 8550Cdn UN16 Refer to page 4 75 4 Main Controller PCB Product Configuration UN13 Refer to page 4 58 Refer to page 4 58 5 Wireless LAN PCB Product Configuration MF8580Cdw UN23 Refer to...

Страница 126: ...ion Refer to page 4 85 14 DC Controller PCB Product Configuration UN1 Refer to page 4 61 Refer to page 4 61 15 Off Hook PCB Product Configuration MF8580Cdw 8550Cdn UN17 Refer to page 4 75 16 Speaker P...

Страница 127: ...g the Controller Cover Preparation 1 Removing the Right Cover Refer to page 4 20 Procedure 1 Remove the Controller Cover 1 9 Screws 2 2 Hooks 3 x9 2 2 2 2 1 3 3 F 4 112 Removing the Wireless LAN PCB M...

Страница 128: ...elect an item and then start export 2 In service mode perform the following procedure to export the service mode data and then import it after replacement FUNCTION SYSTEM EXPORT 3 Record the default s...

Страница 129: ...et paper size groups Settings 1 AB series 2 Inch series 3 A series 4 AB Inch series 2 Clearing Setting Registration data 1 COPIER FUNCTION CLEAR ALL to clear all data Once executed the following data...

Страница 130: ...rk connection As for the procedure refer to Uninstalling the Software in the Starter Guide 2 Install the drivers which have been uninstalled in step 1 As for the procedure refer to the following items...

Страница 131: ...s 5 7 Screws 6 2 Hooks 7 7 7 3 4 5 5 1 2 6 6 x4 x7 F 4 117 Removing the DC Controller PCB CAUTION Be sure to perform Before Replacing the DC Controller PCB Refer to page 4 61 when replacing the DC Con...

Страница 132: ...4 119 F 4 120 After replacing DC Controller PCB 1 In service mode perform the following procedure to restore the DC Controller setting values COPIER FUINCTION VIFFNC RSTR DCN MEMO After executing the...

Страница 133: ...ng the Right Cover Refer to page 4 20 2 Removing the Left Cover Refer to page 4 17 3 Removing the Rear Upper Cover Refer to page 4 24 4 Removing the ADF Unit Reader Unit Refer to page 4 32 5 Removing...

Страница 134: ...e High Voltage Power Supply PCB Procedure 4 Remove the 6 screws 1 and disconnect the connector 2 x6 1 1 2 1 1 5 Remove the High Voltage Power Supply PCB 1 9 claws 2 2 1 2 2 2 x10 F 4 124 F 4 125 CAUTI...

Страница 135: ...dw only Refer to page 4 57 5 Removing the Main Controller PCB Refer to page 4 58 6 Removing the Main Controller Support Plate Refer to page 4 61 7 Removing the Fixing Fixing Power Supply Cooling Fan U...

Страница 136: ...assembly Assembly Controller System Removing the Low Voltage Unit Procedure Disassembly Assembly Controller System Removing the Low Voltage Unit Procedure 5 Remove the Low Voltage Unit 1 3 connectors...

Страница 137: ...only Refer to page 4 57 4 Removing the Main Controller PCB Refer to page 4 58 5 Removing the Main Controller Support Plate Refer to page 4 61 6 Removing the FAX PCB Refer to page 4 75 7 Removing the F...

Страница 138: ...emoving the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Rear Upper Cover Refer to page 4 24 6 Removing the Upper Cover Refer to page 4 28 7 Removing the Wireless LAN PCB MF8580Cdw only Refe...

Страница 139: ...Cover Refer to page 4 17 3 Removing the Rear Upper Cover Refer to page 4 24 4 Removing the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Right Front Cover Refer to page 4 22 6 Removing the U...

Страница 140: ...new Screw Face Seal to reaffix it later When reaffixing be sure to use a new Screw Face Seal Do not reuse the removed Screw Cover Seal 2 1 F 4 139 1 Remove the claw 1 to remove the Reader Shaft Retai...

Страница 141: ...moving the Control Panel Unit Procedure 5 Remove the screws at the bottom of the Reader Unit 1 2 Binding Screw 2 4 Screws 3 x6 3 2 3 1 6 Open the ADF Unit Copyboard 1 and place a sheet of paper 2 on t...

Страница 142: ...over and disconnect the Flat Cable 2 CAUTION Do not damage and cut the Flat Cable 2 1 2 3 F 4 146 CAUTION Be sure to perform the following when connecting the Flat Cable 1 to the connector with a loc...

Страница 143: ...ng the Control Panel LCD PCB and Control Panel Key PCB Preparation 1 Remove the the Control Panel Unit Refer to page 4 70 Procedure CAUTION Do not touch the IC part A of the LCD Flat Cable 1 1 F 4 148...

Страница 144: ...trol Panel Key PCB 1 10 Screws 2 Binding x10 1 2 2 2 F 4 151 CAUTION Be sure to perform the following when connecting the LCD Flat Cable 1 to the connector with a lock 2 Be sure to insert the LCD Flat...

Страница 145: ...PCB Refer to page 4 58 5 Removing the Main Controller Support Plate Refer to page 4 61 Procedure 1 Remove the Fax PCB 1 1 Flat Cable 2 1 Grounding Wire 3 1 Connector 4 4 Screws 5 3 5 5 5 1 4 2 x4 x3...

Страница 146: ...PCB Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 10 Removing the Drum Motor Refer to page 4 102 11 Removing the Developing Motor Refer to page 4 100 12 Removing...

Страница 147: ...ain Drive Unit Procedure 2 Free the harness 1 4 Harness Guides A x4 A 1 3 Free the harness 1 from the guides A and B MF8540Cdn only A 1 B x2 1 F 4 156 F 4 157 4 Free the harness 1 from the Harness Gui...

Страница 148: ...er Auxiliary Plate 1 2 Screws 2 1 1 x2 1 F 4 160 7 Remove the DC Controller Support Plate 1 1 Special Flat head Screw 2 2 Black Screws 3 3 Screws 4 2 Bosses 5 1 Protrusion 6 CAUTION Since the Special...

Страница 149: ...assembly Assembly Controller System Removing the Main Drive Unit Procedure CAUTION When installing be sure to place the A part of DC Controller Support Plate under the B part of the Harness Guide A B...

Страница 150: ...ller System Removing the Main Drive Unit Procedure 9 Remove the Main Switch Unit Connecting Plate 1 3 Screws 2 1 2 2 x3 10 Remove the Right Frame Supporting Plate 1 3 screws 2 x3 1 2 2 F 4 164 F 4 165...

Страница 151: ...rive Unit Procedure 13 Free the harness 1 and 2 from the Harness Guide A and B 1 2 B 2 1 A x2 14 Remove the Harness Guide 1 Harness Guide A 2 Boss 2 2 Hooks 3 A 1 2 3 2 F 4 168 F 4 169 15 Remove the w...

Страница 152: ...ure CAUTION When removing the Main Drive Unit the Contact Spring 1 may come off so be sure not to lose it When it comes off attach it on the protrusion A on the plate at the right side of the host mac...

Страница 153: ...while the Host machine side is in the state of steps 5 and 6 Main Drive Unit side 1 4 Arm Shafts 1 are on the right side 2 1 Front Door Arm 2 is pulled out 3 1 link 3 is on the right side 1 1 1 1 2 3...

Страница 154: ...plate and hole B of the joint 1 are aligned in a straight line If the direction is not correct rotate the joint 1 to the direction as shown in the figure below A B A B 1 1 6 The Front Cover is open F...

Страница 155: ...o page 4 17 3 Removing the Rear Upper Cover Refer to page 4 24 4 Removing the Rear Cover Refer to page 4 24 5 Removing the Rear Lower Cover Refer to page 4 25 6 Removing the Rear Cover Rib Unit Refer...

Страница 156: ...moving the Right Cover Refer to page 4 20 2 Removing the Controller Cover Refer to page 4 57 3 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 4 Removing the Main Controller PCB Refer...

Страница 157: ...ng the Fixing Fixing Power Supply Cooling Fan Unit Procedure 3 Remove the Fixing Fixing Power Supply Cooling Fan 1 1 claw 2 2 protrusions 3 1 2 3 CAUTION When installing the Cooling Fan be careful of...

Страница 158: ...0 2 Removing the Left Cover Refer to page 4 17 3 Removing the Rear Upper Cover Refer to page 4 24 4 Removing the Rear Cover Refer to page 4 25 5 Removing the Rear Lower Cover Refer to page 4 25 6 Remo...

Страница 159: ...ON When installing the Duplex Feeding Fan be careful of the installation direction Place the Fan Cable 1 in the indicated position Make sure that the fan label 2 faces to the Duplex Feeding Unit side...

Страница 160: ...er Refer to page 4 17 3 Removing the Right Front Cover Refer to page 4 22 4 Removing the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Rear Upper Cover Refer to page 4 24 6 Removing the Upper...

Страница 161: ...procedure because there is a possibility that the ITB Unit might be damaged when the Laser Scanner Unit is mistakenly dropped during installation removal 1 2 3 F 4 191 1 Remove the wire harness cover...

Страница 162: ...ser Exposure System Removing the Laser Scanner Unit Procedure CAUTION Be sure to put the flag 1 of the Harness Guide through the hole A of the plate and hook the spring 2 on the flag 3 of the Laser Sc...

Страница 163: ...xposure System Removing the Laser Scanner Unit Procedure 5 Remove the Scanner Fixing Spring 1 on the right side from 1 hook 2 6 Remove the Scanner Fixing Spring 3 on the left from the 1 hook 4 1 2 3 4...

Страница 164: ...adiation position2 Y SUB S M2 Laser output correction value vertical scanning irradiation position2 M SUB S C2 Laser output correction value vertical scanning irradiation position2 C SUB S K2 Laser ou...

Страница 165: ...ry Transfer Outer Roller Secondary Transfer Feed Unit Refer to page 4 103 F 4 203 T 4 22 Removing the ITB Unit Preparation 1 Removing the Cartridge Tray Refer to page 4 30 Procedure CAUTION Be sure no...

Страница 166: ...he ITB Unit Procedure 2 Disconnect the connector 1 1 3 Lift the 2 parts A at the front side of the ITB Unit to release the 2 protrusions 1 A 1 1 F 4 205 F 4 206 CAUTION Be careful not to hit the ITB 1...

Страница 167: ...t Procedure 4 Open the Rear Cover 1 5 Hold the 2 parts A at the front side of the ITB Unit to tilt the ITB Unit 2 6 Slide the 2 parts B at the rear side of the ITB Unit along the rails 3 and remove th...

Страница 168: ...F Unit Reader Unit Refer to page 4 32 5 Removing the Right Front Cover Refer to page 4 22 6 Removing the Upper Cover Refer to page 4 28 7 Removing the High Voltage Power Supply PCB Refer to page 4 63...

Страница 169: ...h the hole A and remove the Patch Density Registration Patch Sensor Unit 2 1 2 A F 4 213 F 4 214 NOTE When it is difficult to put the connector 1 of the Patch Density Registration Sensor Unit 2 throug...

Страница 170: ...4 17 3 Removing the Right Front Cover Refer to page 4 22 4 Removing the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Rear Upper Cover Refer to page 4 24 6 Removing the Upper Cover Refer to...

Страница 171: ...ng Motor Procedure 2 Remove the wire harness guide 1 1 claw 2 2 hooks 3 2 3 3 1 3 Remove the Developing Motor 1 3 screws 2 1 x3 2 F 4 217 F 4 218 CAUTION Be sure to identify the Drum Motor and the Dev...

Страница 172: ...emoving the Right Front Cover Refer to page 4 22 4 Removing the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Rear Upper Cover Refer to page 4 24 6 Removing the Upper Cover Refer to page 4 28...

Страница 173: ...Motor 1 3 screws 2 2 x3 1 F 4 221 F 4 222 CAUTION Be sure to identify the Drum Motor and the Developing Motor by the difference in gears Gear 1 of the Drum Motor White with a groove A on its side Gear...

Страница 174: ...the Fixing Assembly Preparation 1 Removing the Right Cover Refer to page 4 20 2 Removing the Left Cover Refer to page 4 17 3 Removing the Rear Upper Cover Refer to page 4 24 4 Removing the Rear Cover...

Страница 175: ...sembly Procedure 2 Free the harness 1 from the harness guide 2 3 connectors 3 2 fixing guides 4 1 wire saddle 5 2 3 3 x3 x3 1 4 5 CAUTION When the fixing assembly is installed handle the harness 1 lik...

Страница 176: ...Lower Cover Refer to page 4 25 6 Removing the Rear Cover Rib Unit Refer to page 4 27 7 Removing the Duplex Printing Reverse Drive Unit Refer to page 4 85 8 Removing the Fixing Assembly Refer to page...

Страница 177: ...and the cam 3 remove the shaft 1 and the Sensor Flag 4 3 2 4 1 CAUTION At installation be sure to align the protrusion of the cam 1 with the groove of the Sensor Flag 2 1 2 F 4 233 F 4 232 CAUTION Be...

Страница 178: ...ng the Fixing Film Unit Procedure 5 Free the harness black 1 from the Harness Guide A B C and D A B D 1 C 6 Free the harness purple 1 from the Harness Guide A and C 7 Free the harness green 2 from the...

Страница 179: ...ng System Removing the Fixing Film Unit Procedure CAUTION When installing removing the Fixing Film Unit be sure not to touch the Fixing Film 1 1 F 4 239 9 Remove the spring 1 and the Fixing Film Unit...

Страница 180: ...oving the Rear Upper Cover Refer to page 4 24 4 Removing the Rear Cover Refer to page 4 24 5 Removing the Rear Lower Cover Refer to page 4 25 6 Removing the Rear Cover Rib Unit Refer to page 4 27 7 Re...

Страница 181: ...efer to page 4 57 3 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 4 Removing the Main Controller PCB Refer to page 4 58 5 Removing the Main Controller Support Plate Refer to page 4 6...

Страница 182: ...Removing the Fixing Motor Unit Procedure 2 Remove the Fixing Motor unit 1 3 screws 2 x3 1 2 CAUTION When removing the Fixing Motor Unit do not lose the spring 1 in the backside 1 F 4 244 F 4 243 CAUT...

Страница 183: ...Pickup Unit Product Configuration Refer to page 4 120 4 Pickup Motor Product Configuration M5 Refer to page 4 118 5 MP Paper Pickup Unit Product Configuration Refer to page 4 125 6 MP Paper Pickup Rol...

Страница 184: ...ce mode COPIER FUNCTION VIFFNC FD R CHG 3 The Pickup Roller rotates and stops at the replacement position 4 Disconnect the Inlet Connector 5 Remove the cassette CAUTION Before tilting a host machine r...

Страница 185: ...ler 2 2 Claws 3 2 Hooks 4 1 1 3 4 2 x2 8 After replacing the Pickup Roller turn ON the power and return it to its original position from the replacement position F 4 249 Removing the Cassette Separati...

Страница 186: ...In case that the ADF Unit is not secured with tape when returning the main body to its original position the ADF Unit is closed swiftly so this might cause damage on the main body or injuries by catch...

Страница 187: ...replacement position 4 Remove the cassette 5 Lower the Multi purpose Tray 1 6 Remove the Multi purpose Tray Pickup Roller 2 2 Claws 3 2 Shafts 4 1 3 4 3 x2 2 7 After replacing the Multi purpose Tray P...

Страница 188: ...the ADF Unit Reader Unit Refer to page 4 32 5 Removing the Rear Upper Cover Refer to page 4 24 6 emoving the Upper Cover Refer to page 4 28 7 Removing the Wireless LAN PCB MF8580Cdw only Refer to pag...

Страница 189: ...bly Assembly Pickup Feeder System Removing the Pickup Motor Procedure 2 Free the harness 1 and 2 from the Harness Guide A and B 1 2 B 2 1 A x2 3 Remove the Harness Guide 1 Harness Guide A 2 Boss 2 2 H...

Страница 190: ...5 Removing the Rear Upper Cover Refer to page 4 24 6 emoving the Upper Cover Refer to page 4 28 7 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 8 Removing the Main Controller PCB Ref...

Страница 191: ...1 2 B 2 1 A x2 3 Remove the Harness Guide 1 Harness Guide A 2 Boss 2 2 Hooks 3 A 1 2 3 2 F 4 264 F 4 265 4 Release 2 claws 1 and turn the guide 2 to align the hook 4 with the hole on the arm 3 and rem...

Страница 192: ...kup Unit Procedure 5 Please the machine as the Left Cover faces to the bottom 1 6 Remove the 2 stoppers 2 2 Bosses 3 2 3 2 3 1 F 4 268 F 4 269 7 Remove the 2 arms 1 and the 2 springs 2 2 Shafts 3 5 Ho...

Страница 193: ...tion Method Installation Method CAUTION Be sure not to touch the Pickup Roller 1 and the Secondary Transfer Roller 2 1 2 F 4 272 1 Open the Rear Cover 1 Put the harness 2 through the hole A of the Sid...

Страница 194: ...it Installation Method 3 Place the Sensor Flag Cover B of the Pickup Unit over the plate C of the Roller Unit of the host machine B C B C F 4 275 4 Place the edge D of the Feed Guide of the Pickup Uni...

Страница 195: ...Y M C Bk beforehand 1 Remove the cassette 2 Make the Left Cover face down and place the host machine 1 CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from...

Страница 196: ...ving the MP Tray Pickup Unit Procedure 4 Remove the 2 Links 1 left and right from the bushings 2 of the MP Tray Pickup Unit CAUTION When removing the MP Tray Pickup Unit be careful not to lose the lin...

Страница 197: ...AUTION Secondary Transfer Outer Roller is included in Secondary Transfer Feed Unit so when replacing the Secondary Transfer Outer Roller be sure to replace the Secondary Transfer Feed Unit itself Proc...

Страница 198: ...to page 4 24 5 Removing the Rear Lower Cover Refer to page 4 25 6 Removing the Rear Cover Rib Unit Refer to page 4 27 7 Removing the Duplex Printing Reverse Drive Unit Refer to page 4 85 8 Removing th...

Страница 199: ...Disassembly Assembly Pickup Feeder System Removing the Delivery Unit Procedure Disassembly Assembly Pickup Feeder System Removing the Delivery Unit Procedure 4 Remove the Delivery Unit 1 3 screws 2 x...

Страница 200: ...e Left Cover Refer to page 4 17 3 Removing the Secondary Transfer Feed Unit Refer to page 4 127 4 Removing the Rear Upper Cover Refer to page 4 24 5 Removing the Rear Cover Refer to page 4 24 6 Removi...

Страница 201: ...17 3 Removing the Secondary Transfer Feed Unit Refer to page 4 127 4 Removing the Rear Upper Cover Refer to page 4 24 5 Removing the Rear Cover Refer to page 4 24 6 Removing the Rear Lower Cover Refer...

Страница 202: ...Guide Front MF8280Cw 8250Cn 8240Cw 8230Cn 4 Side Guide Rear MF8280Cw 8250Cn 8240Cw 8230Cn 5 Document Tray MF8280Cw 8250Cn 8240Cw 8230Cn 6 Extension Tray MF8280Cw 8250Cn 8240Cw 8230Cn 7 Sub Tray MF828...

Страница 203: ...Cover MF8200 series Rear Side Rear Side 1 2 3 4 5 6 7 8 9 10 No Parts Name Remarks Reference 1 ADF Rear Cover MF8280Cw 8250Cn 8240Cw 8230Cn 2 Rear Upper Cover Refer to page 4 153 3 Rear Cover Refer to...

Страница 204: ...it Refer to page 4 160 Refer to page 4 37 4 Control Panel Unit Refer to page 4 196 5 Multi purpose Tray Unit Refer to page 4 237 6 Pickup Unit Refer to page 4 242 F 4 295 T 4 27 2 2 7 8 9 10 11 12 13...

Страница 205: ...it Refer to page 4 178 M721 ADF Motor ADF Paper Feeder Unit MF8280Cw 8250Cn 8240Cw 8230Cn Refer to page 4 172 FM1 Fan Product configuration Refer to page 4 211 F 4 297 T 4 29 List of Clutch Solenoid H...

Страница 206: ...8280Cw 8250Cn 8240Cw 8230Cn SR601 Cassette Paper Detection Sensor Pickup Unit SR602 Registration Detection Sensor Pickup Unit SR603 Fixing Loop Sensor Product configuration SR604 MP Tray Paper Detecti...

Страница 207: ...tion Refer to page 4 193 UN4 Low Voltage Power Supply PCB Low Voltage Power Supply Unit UN5 Fixing Power Supply PCB Fixing Power Supply Unit UN11 Laser Driver PCB Laser Scanner Unit UN20 Main Controll...

Страница 208: ...ler PCB J501 UN11 Laser Driver PCB J109 UN1 DC Controller PCB J704 M704 Laser Scanner Motor J404 UN2 Driver PCB J703 M703 Fixing Motor J407 UN2 Driver PCB J407 SL706 Developing Separation Solenoid J11...

Страница 209: ...7 UN1 DC Controller PCB J604 SR604 MP Tray Paper Detection Sensor J117 UN1 DC Controller PCB J605 SR605 MP Tray Pre Registration Detection Sensor J301 UN4 Low Voltage Power Supply PCB J301 INLET 200V...

Страница 210: ...te Paper Detection Sensor J116 UN1 DC Controller PCB J602 SR602 Registration Detection Sensor J116 UN1 DC Controller PCB J603 SR603 Fixing Loop Sensor J130 UN1 DC Controller PCB J130 SW2 Front Cover S...

Страница 211: ...PS703 Document Sensor MF8280Cw 8250Cn 8240Cw 8230Cn J903 UN20 Main Controller PCB J1305 M721 ADF Motor MF8280Cw 8250Cn 8240Cw 8230Cn J903 UN20 Main Controller PCB J1310 J1312 PS702 Document End Senso...

Страница 212: ...40Cw 8230Cn 4 Side Guide Rear MF8280Cw 8250Cn 8240Cw 8230Cn 5 Document Tray MF8280Cw 8250Cn 8240Cw 8230Cn 6 Extension Tray MF8280Cw 8250Cn 8240Cw 8230Cn 7 Sub Tray MF8280Cw 8250Cn 8240Cw 8230Cn 8 Deli...

Страница 213: ...ear Side Rear Side 1 2 3 4 5 6 7 8 9 10 No Parts Name Remarks Reference 1 ADF Rear Cover MF8280Cw 8250Cn 8240Cw 8230Cn 2 Rear Upper Cover Refer to page 4 153 3 Rear Cover Refer to page 4 155 4 Rear Lo...

Страница 214: ...cedure NOTE The following shows the 11 claws of the Left Cover F 4 307 1 Remove the Cassette 1 2 To remove the claw at the lower side of the Left Cover move the Host Machine for about 5cm from the bas...

Страница 215: ...External Cover Internal Cover Removing the Left Cover Procedure 7 Remove the claw 1 at the lower side of the Left Cover 8 While supporting the Left Cover remove the 2 claws 2 at the upper front side o...

Страница 216: ...Installing the Left Cover Installing the Left Cover 1 To remove the claw at the lower side of the Left Cover move the Host Machine for about 5cm from the base 2 Open the Front Cover 1 3 Install the 3...

Страница 217: ...re NOTE The following shows the 9 claws of the Right Cover F 4 315 1 Remove the Cassette 1 2 To remove the claw at the lower side of the Right Cover move the Host Machine for about 5cm from the base 3...

Страница 218: ...g the Right Cover 8 Close the Front Cover 2 release the claw 3 and then remove the Right Cover 4 2 3 1 4 F 4 319 Installing the Right Cover 1 Open the Multi purpose Tray Pickup Cover 1 and attach the...

Страница 219: ...ing the Right Cover Installing the Right Cover Disassembly Assembly External Cover Internal Cover Removing the Right Cover Installing the Right Cover 2 Insert the 5 claws 1 on the upper side of the Ri...

Страница 220: ...ve the Cassette 1 2 Open the Front Cover 2 1 2 3 Pull the Cartridge Tray 1 1 F 4 323 F 4 324 4 Remove the cartridges CAUTION Since the Cartridge Tray interferes with the stopper when removing the stop...

Страница 221: ...he clearance A between the Left Stopper 1 and rail 8 Remove the Left Stopper 1 while pushing the B part 1 Claws 2 1 Protrusion 3 1 2 3 B A 9 Remove the Cartridge Tray 1 1 F 4 326 F 4 327 10 Close the...

Страница 222: ...ont Cover 1 to remove the Feeding Guide 2 1 2 15 Put the Front Cover 1 back to position A 16 Remove the Right Arm 2 of the Multi purpose Tray Pickup Slot Cover to remove the Multi purpose Tray Pickup...

Страница 223: ...Upper Cover Procedure 19 Push and remove the Left Arm 1 1 Shaft 2 2 1 20 Remove the Front Cover 1 1 Shaft 2 2 1 F 4 334 F 4 335 Removing the Rear Upper Cover Preparation 1 Remove the Right Cover Refer...

Страница 224: ...rocedure Removing the Rear Lower Cover Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 Procedure...

Страница 225: ...er Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 4 Remove the Rear Lower Cover Refer to page 4...

Страница 226: ...Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 4 Remove the ADF Unit Copyboard Reader Unit Refer to page 4 158 Procedure...

Страница 227: ...0Cn 8240Cw 8230Cn Refer to page 4 164 4 ADF Pickup Roller ADF Roller Unit MF8280Cw 8250Cn 8240Cw 8230Cn Refer to page 4 166 5 ADF Separation Roller ADF Roller Unit MF8280Cw 8250Cn 8240Cw 8230Cn Refer...

Страница 228: ...pper Cover Refer to page 4 153 Procedure CAUTION Be sure to perform After replacing ADF unit Refer to page 4 36 and After replacing reader unit Refer to page 4 37 when replacing the ADF Unit and Reade...

Страница 229: ...2 and 2 Flat Cables 3 1 Flat Cable Connector Lock 4 1 Ferrite Core 5 2 Harness Guides 6 x4 x3 3 5 6 1 4 2 F 4 349 CAUTION Be sure to perform the following when connecting the Flat Cable 1 to the conn...

Страница 230: ...3 x2 1 2 F 4 351 Separating the ADF Unit Copyboard Reader Unit Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer...

Страница 231: ...odels with ADF 1 Screw 2 4 Claws 3 2 Harnesses 4 2 Flat Cables 5 2 Grounding Wires 6 1 2 3 3 3 6 3 5 5 4 x6 3 Remove the cable 1 and the grounding wire 2 only for models with ADF 6 wire guides 3 x6 3...

Страница 232: ...ection X axis direction COPIER ADJUST ADJ XY ADJ Y DF Adjustment of surface horizontal scanning position in FEEDER mode COPIER ADJUST ADJ XY ADJ X MG Fine adjustment of optical motor speed 3 Execute t...

Страница 233: ...ADJUST CCD DFTAR BW Monochrome shading target value when using DF 5 Enter the value on the label packed with the part in the following service mode item COPIER ADJUST ADJ XY ADJ Y Value adjustment fo...

Страница 234: ...oller Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure Removing the ADF Roller Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure CAUTION Do not touch the surface of the roller 1 Open the ADF Upper Cover 1 1 2...

Страница 235: ...exposure feeder system Removing the ADF Roller Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure CAUTION Be careful not to lose the spring 1 attached to the ADF Roller Unit 1 F 4 362 CAUTION When installin...

Страница 236: ...ocedure CAUTION Do not touch the surface of the roller 1 Insert the end of the flat blade screwdriver into the A part to remove the ADF Pickup Roller Unit 1 1 A 2 Remove the ADF Pickup Roller 1 1 F 4...

Страница 237: ...n the Roller Shaft 1 in the direction of the arrow and fit the projection 2 to the hole of the Roller Holder to remove 1 2 4 Remove the ADF Separation Roller 1 1 F 4 369 F 4 370 Removing the ADF Separ...

Страница 238: ...ion Pad MF8280Cw 8250Cn 8240Cw 8230Cn Procedure 3 Remove the Feed Guide 1 in the direction of the arrow 2 bosses 2 1 claw 3 1 2 2 3 4 Reverse the Feed Guide 5 Remove the Separation Pad Holder 1 2 Claw...

Страница 239: ...eder system Removing the ADF Pickup Feed Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure 6 Remove the Separation Pad 1 Pad retainer 2 Sheet 3 1 2 3 F 4 377 Removing the ADF Pickup Feed Unit MF8280Cw 8250...

Страница 240: ...d Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure 3 Lift the ADF Tray 1 until it stops and release the hook 2 to tip the tray into the perpendicular position and remove by pulling upward 1 Claw 3 1 1 2 3...

Страница 241: ...dure Disassembly Assembly Document exposure feeder system Removing the ADF Pickup Feed Unit MF8280Cw 8250Cn 8240Cw 8230Cn Procedure 6 Remove the 3 screws 1 of the ADF Pickup Feed Unit x2 1 1 F 4 383 7...

Страница 242: ...0Cn Preparation 1 Remove the ADF Pickup Feed Unit Refer to page 4 169 Procedure NOTE When removing the ADF Pickup Motor it is not necessary to remove the ADF Upper Cover Unit described in the previous...

Страница 243: ...arate the ADF Unit Copyboard Reader Unit Refer to page 4 160 Procedure CAUTION Be sure to perform After Replacing the Reader Upper Cover Unit Refer to page 4 48 when replacing the Reader Upper Cover U...

Страница 244: ...lowing service mode 2 and write the value in the service label 1 COPIER FUNCTION INSTALL STRD POS reading position adjustment auto execution 2 COPIER ADJUST ADJ XY STRD POS reading position adjustment...

Страница 245: ...to page 4 160 6 Remove the Reader Unit Upper Cover Unit Refer to page 4 173 Procedure CAUTION Be sure to perform After replacing CIS unit Refer to page 4 51 when replacing the CIS unit respectively 1...

Страница 246: ...in the package of the service part at the same time If a different spacer is used image reading error may occur 1 2 2 F 4 397 F 4 396 CAUTION When installing the CIS Unit 1 be sure to replace the CIS...

Страница 247: ...ervice label 1 White level adjustment COPIER FUNCTION CCD DF WLVL1 White level adjustment copyboard scanning COPIER FUNCTION CCD DF WLVL3 White level adjustment BW copyboard scanning Then set a blank...

Страница 248: ...ard Reader Unit Refer to page 4 158 5 Separate the ADF Unit Copyboard Reader Unit Refer to page 4 160 6 Remove the Reader Unit Upper Cover Refer to page 4 173 Procedure 1 Free the harness 2 while hold...

Страница 249: ...eader Scanner Motor Procedure 5 Remove the Shaft Retaining Plate 1 1 screw 2 2 1 6 Move the Sensor Mount 1 1 screw 2 1 2 1 F 4 403 F 4 404 7 Move the Motor Mounting Plate 1 and turn it over 2 screws 2...

Страница 250: ...N PCB Product Configuration MF8280Cw 8240Cw UN16 Refer to page 4 182 4 Speaker Product Configuration MF8280Cw 8250Cn SP1 Refer to page 4 212 5 Control Panel Key PCB Control Panel Unit UN22 Refer to pa...

Страница 251: ...onfiguration Refer to page 4 209 13 FAX NCU PCB Product Configuration MF8280Cw 8250Cn UN25 Refer to page 4 201 14 Off Hook PCB Product Configuration MF8280Cw 8250Cn UN26 Refer to page 4 201 15 Main Mo...

Страница 252: ...Removing the Controller Cover Preparation 1 Remove the Right Cover Refer to page 4 147 Procedure 1 Remove the Controller Cover 1 7 Screws 2 2 Hooks 3 x7 3 3 2 2 1 F 4 409 Removing the Wireless LAN PC...

Страница 253: ...emote UI perform the following procedure to export the user data login in administrator mode In Setting Registration Import Export Menu Export select an item and then start export 2 In service mode pe...

Страница 254: ...odel only 1 Connector 7 ADF model only 1 Connector 8 MF8230Cn only 6 Screws 9 TP 1 Screw 10 Binding 1 Hook 11 x7 x12 6 4 1 5 8 5 3 3 5 7 5 9 2 10 11 9 F 4 412 CAUTION Be sure to perform the following...

Страница 255: ...itial installation mode Follow instructions shown on the screen for setup setting of date time auto gradation correction 4 Migrating the serial number 1 Enter the serial number 8 digit alphanumeric in...

Страница 256: ...wn menu is not displayed on the LUI of the machine To display the automatic shutdown menu on the LUI of the machine it is necessary to execute this process 8 Setting of automatic shutdown menu display...

Страница 257: ...s because of internal process operation 2 Turn OFF and then ON the power 3 Execute the following Menu Adjustment Maintenance Print Color Displacement Correction 4 Execute the following Menu Adjustment...

Страница 258: ...ocedure 2 Remove the Speaker Holder 1 2 Screws 2 2 Hooks 3 x2 1 3 2 3 Free the harness 1 2 Connectors 2 1 Harness Guide A 1 Harness Guide B x2 x2 2 1 B A F 4 416 F 4 417 4 Remove the Low Voltage Power...

Страница 259: ...4 1 Claw 5 1 Hook 6 x2 x8 3 3 6 4 4 5 1 2 F 4 420 CAUTION When installing the Harness Guide 1 shifted in step 5 to the plate of the host machine be sure to install it as shown in the figure below bec...

Страница 260: ...4 153 4 Remove the Rear Lower Cover Refer to page 4 154 5 Remove the Controller Cover Refer to page 4 182 6 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 7 Remove the Main Contr...

Страница 261: ...t Procedure 4 Remove the Harness Guide 1 1 Connector 2 1 Hook 3 2 3 1 5 Free the harness 1 from the guide B by putting it through the hole A of the plate x2 1 B A F 4 426 F 4 427 6 Shift the Fax Cover...

Страница 262: ...Assembly Controller System Removing the Low Voltage Power Supply Unit Procedure 8 Remove the Low Voltage Power Supply Unit Cover 1 4 Claws 2 2 Protrusions 3 x5 2 3 2 2 1 2 3 F 4 430 9 Pull out the Lo...

Страница 263: ...e plate 1 Connector 2 11 Remove the Low Voltage Power Supply Unit 3 1 Connector 4 x2 3 1 2 4 A F 4 432 Removing the High Voltage Power Supply PCB Preparation 1 Remove the Right Cover Refer to page 4 1...

Страница 264: ...1 1 Connector 2 Harness Guide A 2 1 A 3 Remove the Sub PCB 1 4 Free the harness 3 from the harness guide 2 1 screw 4 1 2 4 3 F 4 434 F 4 435 5 Remove the High Voltage Power Supply PCB 1 3 screws bind...

Страница 265: ...reparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 4 Remove the Rear Lower Cover Refer to page 4 154...

Страница 266: ...a new Screw Face Seal to reaffix it later When reaffixing be sure to use a new Screw Face Seal Do not reuse the removed Screw Cover Seal 2 1 F 4 440 1 Remove the claw 1 to remove the Reader Shaft Reta...

Страница 267: ...edure 5 Remove the screws at the bottom of the Reader Unit 1 1 Binding Screw 2 8 Screws 3 x6 3 2 3 1 6 Open the ADF Unit Copyboard 1 and place a sheet of paper 2 on the copyboard 1 2 F 4 443 F 4 444 7...

Страница 268: ...e Connector Lock 3 CAUTION Do not damage and cut the Flat Cable 2 1 2 3 F 4 447 CAUTION Be sure to perform the following when connecting the Flat Cable 1 to the connector with a lock 2 Be sure to inse...

Страница 269: ...ing the Control Panel LCD PCB and Control Panel Key PCB Preparation 1 Remove the the Control Panel Unit Refer to page 4 196 Procedure CAUTION Do not touch the IC part A of the LCD Flat Cable 1 1 F 4 4...

Страница 270: ...ntrol Panel Key PCB 1 10 Screws 2 Binding x10 1 2 2 2 F 4 452 CAUTION Be sure to perform the following when connecting the LCD Flat Cable 1 to the connector with a lock 2 Be sure to insert the LCD Fla...

Страница 271: ...efer to page 4 147 2 Remove the Controller Cover Refer to page 4 182 3 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 4 Remove the Main Controller PCB Refer to page 4 183 Procedu...

Страница 272: ...5 Remove the Upper Cover Refer to page 4 156 6 Remove the DC Controller PCB Refer to page 4 186 7 Remove the Driver PCB Refer to page 4 187 8 Remove the Low Voltage Power Supply Unit Refer to page 4...

Страница 273: ...2 from the guides A and B 6 Free the harnesses 3 and 4 from the guides A B and C 2 1 4 2 1 A C B 3 4 3 7 While lifting the Connecting Plate 1 remove the Flag Unit 2 3 Screws 2 1 Boss 3 x3 1 2 3 3 3 4...

Страница 274: ...er the hole A and remove the Link Shaft Stopper 2 2 Claws 3 NOTE The reason a sheet of paper 1 is placed over the hole A is to prevent the Link Shaft Stopper 2 from falling in the machine x2 2 A 3 1 1...

Страница 275: ...nit Procedure 13 Remove the Main Switch Unit 1 2 Screws 2 x2 2 1 14 While lifting the Frame Plate 1 remove the DC Controller Support Plate 2 2 Screws 3 1 Protrusion 4 x2 2 4 1 3 F 4 465 F 4 466 15 Fre...

Страница 276: ...Drive Unit Procedure 18 While lifting the Frame Plate 1 remove the Fax Cover Plate 2 2 Screws 3 1 Boss 4 1 Protrusion 5 1 Hook 6 x2 6 1 2 2 3 4 5 3 19 Remove the Harness Guide 1 1 Boss 2 2 Hooks 3 1...

Страница 277: ...1 of the Main Drive Unit from the claw 2 in the direction of the arrow and remove the Main Drive Unit 3 7 Screws 4 1 1 2 2 x7 3 4 4 4 F 4 473 CAUTION At installation check that the hook 2 of the gear...

Страница 278: ...t at the correct position as shown in the figure below If not turn the ITB Link 2 in the direction of the arrow to be set at the correct position Be sure to check that the Cartridge Cover Link 3 of th...

Страница 279: ...page 4 190 9 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 10 Remove the Main Controller PCB Refer to page 4 183 11 Remove the Off Hook PCB Fax model only Refer to page 4 201 12...

Страница 280: ...Cover Refer to page 4 147 2 Remove the Controller Cover Refer to page 4 182 3 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 4 Remove the Main Controller PCB Refer to page 4 183...

Страница 281: ...e Fan Preparation 1 Remove the Right Cover Refer to page 4 147 Procedure 1 Free the harness 1 1 Connector 2 Guide A 2 A 1 F 4 480 2 Free the Fan Retainer Spring 1 from the 2 guides A of the Fan Duct 3...

Страница 282: ...Claws 2 x2 2 1 CAUTION When installing the fan 1 be sure to set its orientation as shown in the figure below Face the label 2 inside Face the harness 3 upward 1 2 3 F 4 483 F 4 482 Removing the Speake...

Страница 283: ...the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 4 Remove the ADF Unit Copyboard Reader Unit Refer to page 4 158 5 Remove the Upper Cover Refer to page 4 156 Proced...

Страница 284: ...he Flat Cable 1 2 Disconnect the 2 Flat Cables 2 2 Guides 3 1 2 3 x2 x2 3 Disconnect the 4 connectors 1 1 1 x4 F 4 486 F 4 487 4 Free the harness 1 from the guide A 5 Free the harness 2 from the guide...

Страница 285: ...re System Removing the Laser Scanner Unit Procedure 8 Free the harness 1 from the guide A 9 Remove the Harness Support Plate 2 1 Screw 3 1 3 2 A 10 While lifting the Connecting Plate 1 remove the Sub...

Страница 286: ...er Scanner Unit Procedure 12 Remove the Scanner Fixation Spring 1 on the right side 1 Hook 2 1 Groove A 13 Remove the Scanner Fixation Spring 3 on the left side 1 Hook 4 1 Groove B 14 Remove the Scann...

Страница 287: ...utput correction value vertical scanning irradiation position2 M SUB S C2 Laser output correction value vertical scanning irradiation position2 C SUB S K2 Laser output correction value vertical scanni...

Страница 288: ...onfiguration Refer to page 4 223 F 4 496 T 4 44 Removing the ITB Unit Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover...

Страница 289: ...earance A between the Right Stopper 1 and rail 5 Remove the Right Stopper 1 while pushing the B part 2 Claws 2 1 Protrusion 3 1 2 3 B A 6 Insert a flat blade screwdriver into the clearance A between t...

Страница 290: ...on System Removing the ITB Unit Procedure 10 Remove the ITB Fixing Holder 1 1 screw 2 1 2 CAUTION When removing the ITB Unit 1 do not touch the Secondary Transfer Outer Roller 2 2 1 F 4 503 F 4 502 CA...

Страница 291: ...it to pull out the ITB Unit 1 Then place the ITB Drive Link 2 at the center of the rail B 1 A 2 B 2 B F 4 505 12 Put the connector 1 through the hole A of the guide and secure the harness 2 to the pla...

Страница 292: ...e sure not to hold the plate A and B otherwise the plate A may be deformed 1 A B When installing removing the ITB Unit 1 be sure not to tilt it otherwise the surface A of the ITB may be damaged 1 A 1...

Страница 293: ...er Procedure Disassembly Assembly Image Formation System Removing the Secondary Transfer Outer Roller Procedure Removing the Secondary Transfer Outer Roller Procedure 1 Open the Rear Cover 1 1 F 4 509...

Страница 294: ...ry Transfer Outer Roller Procedure Disassembly Assembly Image Formation System Removing the Secondary Transfer Outer Roller Procedure CAUTION When installing the Secondary Transfer External Roller tak...

Страница 295: ...ng Pressure Roller Fixing Assembly Refer to page 4 231 4 Fixing Film Unit Fixing Assembly Refer to page 4 228 F 4 512 T 4 45 Removing the Fixing Assembly Preparation 1 Remove the Right Cover Refer to...

Страница 296: ...ng Assembly Procedure Disassembly Assembly Fixing System Removing the Fixing Assembly Procedure 2 Free the 1 harness 1 2 connectors 2 Harness guide A x2 1 1 A 2 F 4 514 3 Free the 2 harnesses 1 2 conn...

Страница 297: ...227 Disassembly Assembly Fixing System Removing the Fixing Assembly Procedure Disassembly Assembly Fixing System Removing the Fixing Assembly Procedure 4 Remove the Fixing Assembly 1 4 screws 2 x4 2...

Страница 298: ...Left Cover Refer to page 4 144 3 Remove the Rear Upper Cover Refer to page 4 153 4 Remove the Rear Lower Cover Refer to page 4 154 5 Remove the Fixing Assembly Refer to page 4 225 Procedure CAUTION W...

Страница 299: ...Fixing Film Unit Procedure 1 Remove the 2 Spring Retainer Holders 1 right and left and the 2 springs 2 2 Remove the 2 Pressure Plates 3 right and left 2 Protrusions 4 3 3 1 1 4 4 2 2 F 4 519 CAUTION...

Страница 300: ...w 2 4 Remove the Shaft Unit 3 and the bushing 4 1 2 3 4 5 Remove the Guide Retainer Plate 1 and the Fixing Guide Upper 2 2 Screws 3 2 Protrusions 4 x2 1 2 4 3 F 4 521 F 4 522 CAUTION At installation b...

Страница 301: ...e the Fixing Film Unit 2 1 2 A F 4 525 F 4 526 Removing the Fixing Pressure Roller Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Left Cover Refer to page 4 144 3 Remove the Rea...

Страница 302: ...147 2 Remove the Controller Cover Refer to page 4 182 3 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 4 Remove the Main Controller PCB Refer to page 4 183 Procedure 1 Free the...

Страница 303: ...Configuration Refer to page 4 237 3 Cassette Separation Roller Pickup Unit Refer to page 4 235 4 Cassette Pickup Roller Pickup Unit Refer to page 4 233 F 4 530 T 4 46 Removing the Cassette Pickup Roll...

Страница 304: ...CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from opening In case that the ADF Unit is not secured with tape when returning the main body to its original...

Страница 305: ...ette Separation Roller 2 1 2 F 4 535 CAUTION Before tilting a host machine remove toner cartridges Y M C Bk 1 Remove the cassette 1 1 2 Make the Left Cover face down and place the host machine 1 CAUTI...

Страница 306: ...paration Roller Procedure 3 Remove the 2 projections 1 to remove the Cover 2 1 1 2 4 While opening the holder 1 remove the Cassette Separation Roller 2 2 Claws 3 1 Protrusion 4 1 2 3 3 4 x2 F 4 538 F...

Страница 307: ...xposed Also be sure to block light 2 Remove the cassette Procedure 1 Place the host machine with the Left Cover 1 down CAUTION When laying down the main body be sure to secure the ADF Unit with tape t...

Страница 308: ...3 at the lower side of the Multi purpose Tray Unit 2 to the leading edge A of the claw 1 and then push the shaft 4 at the upper side of the Multi purpose Tray Unit all the way to the groove B 4 B A 1...

Страница 309: ...ay Unit Installation Method Disassembly Assembly Pickup Feeder System Removing the Multi purpose Tray Unit Installation Method 6 Remove the Multi purpose Tray Unit 1 1 F 4 545 Installation Method 1 Se...

Страница 310: ...lti purpose Tray Unit Installation Method 2 Insert the shaft 2 at the upper side of the Multi purpose Tray Unit 1 into the groove A and the shaft 3 at the lower side of the Multi purpose Tray Unit int...

Страница 311: ...up Feeder System Removing the Multi purpose Tray Unit Installation Method 4 Move the shaft 2 at the upper side of the Multi purpose Tray Unit 1 to the groove C and the shaft 3 at the lower side of the...

Страница 312: ...r Refer to page 4 144 5 Remove the Rear Upper Cover Refer to page 4 153 6 Remove the Rear Lower Cover Refer to page 4 154 7 Remove the ITB Unit Refer to page 4 218 8 Remove the Fixing Power Supply Uni...

Страница 313: ...er System Removing the Pickup Unit Procedure 3 Free the harness 1 from the guide E by putting it through the hole D of the plate 4 Free the harness 2 from the guide F 1 Wire Saddle 3 2 3 D E F x2 x2 1...

Страница 314: ...sembly Pickup Feeder System Removing the Pickup Unit Procedure 7 Disconnect the connector 2 of the sensor 1 4 Claws 3 x4 1 1 2 3 F 4 555 8 Install the Right Cover 1 and close the Front Cover 2 9 Claws...

Страница 315: ...ure the ADF Unit with tape to prevent from opening In case that the ADF Unit is not secured with tape when returning the main body to its original position the ADF Unit is closed swiftly so this might...

Страница 316: ...wing steps 1 Align the 2 bosses 1 of the Pickup Unit with the 2 edges A of the cut off of the host machine and install the Pickup Unit 2 on the host machine 2 1 1 A F 4 562 F 4 561 2 Push the lower si...

Страница 317: ...5 5 Adjustment Adjustment Overview Adjustment at Parts Replacement...

Страница 318: ...tment Overview Overview Category Parts replacement Reference Controller System Main Controller PCB Laser Exposure System Laser Scaner Unit Image Formation System Developing Assembly Developing Sleeve...

Страница 319: ...direction X axis direction COPIER ADJUST ADJ XY ADJ Y DF Adjustment of surface horizontal scanning position in FEEDER mode COPIER ADJUST ADJ XY ADJ X MG Fine adjustment of optical motor speed 3 Execu...

Страница 320: ...ome shading target value when using DF 5 Enter the value on the label packed with the part in the following service mode item COPIER ADJUST ADJ XY ADJ Y Value adjustment for image reading start positi...

Страница 321: ...wing service mode 1 Then check the auto setting value with the following service mode 2 and write the value in the service label 1 White level adjustment COPIER FUNCTION CCD CL AGC Color AGC adjustmen...

Страница 322: ...adjustment with the following service mode COPIER ADJUST ADJ XY ADJ Y Value adjustment for image reading start position vertical scanning direction X axis direction COPIER ADJUST ADJ XY ADJ Y DF Adju...

Страница 323: ...the corresponding service mode items 4 COPIER FUNCTION VIFFNC STOR DCN to back up DC controller setting values Purpose to be prepared for replacing DC controller PCBs 5 Turn off and on the power 6 Sta...

Страница 324: ...service mode SDTM DSP to set whether to display or hide the automatic shutdown menu becomes 0 default value In that case the automatic shutdown menu is not displayed on the LUI of the machine To disp...

Страница 325: ...n value vertical scanning irradiation position2 M SUB S C2 Laser output correction value vertical scanning irradiation position2 C SUB S K2 Laser output correction value vertical scanning irradiation...

Страница 326: ...6 6 Trouble Shooting Trouble Shooting Test Print Trouble shooting items Special Management Mode Version Upgrade...

Страница 327: ...is to check normal operation of the device Print the engine test chart in the following steps MF8500 series 1 Detach the right cover Refer to page 4 20 2 Turn on the device on standby to press the te...

Страница 328: ...ges The data for test charts are created in the main controller If no problem is found on the output test charts the cause may lie in the PDL input or the reader TYPE NO Test chart type Purpose 0 Pasc...

Страница 329: ...Regardless of PG TYPE settings 0 or 1 the image is processed in the fixed method Settings 0 T MIC 1 High LPI screen 2 Low LPI screen 3 T BIC 0 THRU Select ON or OFF for gamma correction Setting 0 Norm...

Страница 330: ...transfer roller about 76 mm Photosensitive drum about 22 mm Developing cylinder about 57 mm Fixing film about 57 mm Pressure roller about 634 mm ITB T 6 3 T 6 4 Confirming nip width This product does...

Страница 331: ...ay occur MEMO Items of the Special Management Mode can be set in service mode COPIER FUNCTION SPLMAN When entering special management mode if the right key is pressed for a specified period of time 0...

Страница 332: ...erate method Select the item and then press OK key Display adj set range 0 to 1 0 OFF 1 ON Default value 0 Item Name Description M82 M85 26433 Execution of drum idle rotation mode Details To execute i...

Страница 333: ...Adj set operate method Enter the value and then press OK key Caution Be sure to get approval from the user by telling that toner soiling may occur to improve productivity Display adj set range 0 to 1...

Страница 334: ...ension of detection on absence of toner Details Error occurs when the drum running distance reaches a certain point in the case of toner absence Turning this switch ON delays the occurrence of error t...

Страница 335: ...and then press OK key 2 Turn OFF ON the main power switch Display adj set range 0 to 1 0 0 to 60 1 0 to 240 Default value 0 For Europe 1 For locations other than Europe 80100 Mask setting at copyboard...

Страница 336: ...Professional Home Edition Microsoft Windows Server 2003 Microsoft Windows Vista Microsoft Windows Server 2008 Microsoft Windows 7 Microsoft Windows Server 2012 Japanese version Microsoft Windows 8 Jap...

Страница 337: ...oting Version Upgrade Downloading System Software Downloading System Software 1 Open UST USTUPD exe 2 Take a note of the firmware version to upgrade and click Next button 3 Click Next button F 6 8 F 6...

Страница 338: ...a Internet MEMO Refer to the User s Manual of the device for how to connect the device to the external network This is applicable either in a wired LAN environment or a wireless LAN environment Prepar...

Страница 339: ...to the external network 2 Check whether the proxy setting has been made in case of access via a proxy server 3 Cannot download the firmware Error during download 1 Check whether the device can be con...

Страница 340: ...7 7 Error codes Error codes Overview Error Codes Jam Code...

Страница 341: ...n for any problem occurred in the device List of error codes Jam code This code is displayed when a jam occurs inside the machine List of jam codes Alarm code N A T 7 1 Jam code Location code Location...

Страница 342: ...Detail Code Item Description M82 M85 E003 0001 Title Abnormally low temperature detected in fixing assembly sub thermistor triggered Description Temperature drop detected by sub thermistor after atta...

Страница 343: ...sensor Description Abnormal output of toner level sensor Cyan Remedy 1 Replace toner cartridges 2 Replace high voltage power supply PCBs 3 Replace DC controller PCBs E Code Detail Code Item Descriptio...

Страница 344: ...e reader units E202 0002 Title Error in reader HP sensor Description Error in reader HP homeward Failed to move to HP even when CIS unit moves forward Remedy 1 Replace reader HP sensors 2 Replace read...

Страница 345: ...roller PCBs E744 6000 Title Communication error with the Wireless LAN PCB Description Unable to communicate with the Wireless LAN Remedy 1 Turn OFF and then ON the main power 2 Check the connection of...

Страница 346: ...B 2 Replace fixing fixing power supply cooling fans 3 Replace DC controller PCBs E808 0000 Title Error in low voltage power supply Description Printer detected failure in low voltage power supply Reme...

Страница 347: ...Sensor SR4 03 0210 Fixing Delivery Sensor SR8 03 0217 Registration Detection Sensor Fixing Delivery Sensor Fixing Loop Sensor MP Tray Pre Registration Detection Sensor Paper Feeder Pre Registration De...

Страница 348: ...602 03 0208 Stationary Registration Detection Sensor SR602 03 0210 Fixing Delivery Sensor SR609 03 0217 Registration Detection Sensor Fixing Delivery Sensor MP Tray Pre Registration Detection Sensor S...

Страница 349: ...8 8 Service Mode Service Mode Overview COPIER FEEDER FAX TESTMODE...

Страница 350: ...el enter the value in the blank space Service label position MF8500 series 1 Service label position MF8200 series 1 F 8 2 F 8 3 Overview Service Mode Menu Service mode COPIER FEEDER FAX TESTMODE DISPL...

Страница 351: ...ct 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 k...

Страница 352: ...or host name servicemode html 3 Enter the password and click Log In Password required for authentication differs depending on the service mode setting COPIER OPTION BODY PSWD SW PSWD SW Password requi...

Страница 353: ...erate method N A Display only Display adj set range Default value 0 ECONT ECONT version Details To display the version of Engine Controller PCB Use case When upgrading the firmware Adj set operate met...

Страница 354: ...ilure of the CIS Unit Use case At scanned image failure Adj set operate method N A Display only Display adj set range 128 to 384 Default value 270 Related service mode COPIER ADJUST CCD DFTAR G TARGET...

Страница 355: ...emented by 1 the image position moves to the trailing edge side by 0 1 mm Use case When replacing the Reader Unit When replacing the CIS Unit Adj set operate method Enter the setting value switch nega...

Страница 356: ...ging the reading cycle of CIS When replacing the Engine Controller PCB clearing the RAM data enter the value of service label As the value is incremented by 1 the image magnification changes by 0 01 R...

Страница 357: ...setting value is changed write the changed value in the service label Display adj set range 7000 to 9999 Default value 8737 Related service mode COPIER ADJUST CCD W PLT X W PLT Z COPIER ADJUST CCD M82...

Страница 358: ...ION CCD DF WLVL3 DF WLVL4 write the value which is automatically set in the service label Use case When replacing the ADF Reader Unit When replacing the CIS Unit When replacing the Reader Upper Cover...

Страница 359: ...lue 333 Supplement memo 100 reading 600 dpi in horizontal scanning direction x 600 dpi in vertical scanning direction reading mode COPIER ADJUST CCD M82 M85 50DF RG Color displacement R and G lines co...

Страница 360: ...nal Use case When replacing the CIS Unit Adj set operate method Enter the setting value and then press OK key Display adj set range 0 to 255 Default value 8 Related service mode COPIER FUNCTION CCD BW...

Страница 361: ...alue and then press OK key Display adj set range 0 to 2432 Default value 1000 Related service mode COPIER FUNCTION CCD BW AGC LED BW B Adjustment of LED light up time B at B W reading Details To adjus...

Страница 362: ...K key Caution After the setting value is changed write the changed value in the service label Display adj set range 32 to 32 Default value 0 OFST P C C density adj at test print reading Details To adj...

Страница 363: ...OK key Display adj set range 5 to 5 Default value 0 Related service mode COPIER ADJUST VIFADJ DEV HV Y DEV HV M DEV HV C COPIER ADJUST VIFADJ M82 M85 TR1 HV Y Adjustment of primary transfer bias setti...

Страница 364: ...emitting position 1 Y in the vertical scanning direction Details To adjust the Y color emitting position 1 in the vertical scanning position Use case When replacing the Laser Scanner Unit enter the va...

Страница 365: ...witch negative positive by key and press OK key Display adj set range 1023 to 1023 Default value 0 COPIER ADJUST SCNR M82 M85 SUB S Y2 Adjustment of emitting position 3 Y in the vertical scanning dire...

Страница 366: ...t operate method Enter the setting value switch negative positive by key and press OK key Display adj set range 511 to 511 Default value 0 COPIER ADJUST SCNR M82 M85 MAI S Y1 Adjustment of scan time 2...

Страница 367: ...label included in the package of the Laser Scanner Unit Adj set operate method Enter the setting value switch negative positive by key and press OK key Display adj set range 127 to 127 Default value 0...

Страница 368: ...PIER ADJUST CCD OFST BW0 COPIER ADJUST CCD OFST BW1 COPIER ADJUST CCD OFST BW2 COPIER ADJUST CCD GAIN BW0 COPIER ADJUST CCD LED BW R COPIER ADJUST CCD LED BW G COPIER ADJUST CCD LED BW B T 8 11 CLEAR...

Страница 369: ...number of errors etc Adj set operate method Select the item and then press OK key SYS DAT Output of system data list Details To execute report output of the system data list The service software swit...

Страница 370: ...1 Install the USB memory 2 Select the item and then press OK key Caution Executing disappears when writing is completed T 8 15 VIFFNC COPIER FUNCTION VIFFNC M82 M85 SMEAR PV Execution of image smear p...

Страница 371: ...ler PCB Adj set operate method 1 Select the item and then press OK key 2 Turn OFF ON the main power switch Caution During operation the setting data changes by manual or automatic adjustment When back...

Страница 372: ...y high printing ratio When the trailing edge of paper is soiled Adj set operate method Select the item and then press OK key Display adj set range 0 to 1 0 OFF 1 ON Default value 0 COPIER FUNCTION SPL...

Страница 373: ...value 0 Related service mode COPIER FUNCTION SPLMAN SPL25607 COPIER FUNCTION SPLMAN M82 M85 SPL25607 Decrease of paper right and left margins Details To decrease the margins on the right and left edge...

Страница 374: ...SPL71100 Setting of the duty of Off hook PCB Details This is the mode to make handsets of particular manufacturers to be rung when fax reception mode is set to FAX TEL switching Use case When fax rece...

Страница 375: ...density area becomes low Therefore while the gradation is improved thin lines may be partly missing or characters may be faded Use case When gradation of photos become unnatural When thin lines are p...

Страница 376: ...2 Inch configuration 3 A configuration 4 AB Inch configuration Related service mode COPIER FUNCTION CLEAR ALL COPIER OPTION BODY LOCALE COPIER OPTION BODY M82 M85 NS CMD5 Setting of CRAM MD5 authenti...

Страница 377: ...Menu is displayed Default value 0 Supplement memo Even with the fax model for locations other than Europe the service mode is displayed However the menu will not be displayed on UI even 1 is set RMT...

Страница 378: ...ut and enter it again after writing is completed Related service mode COPIER FUNCTION MISC P DHALF Related user mode System Settings Device Information Location T 8 21 COUTER TOTAL COPIER COUNTER TOTA...

Страница 379: ...e original size The counter is not advanced by blank paper or delivery in service mode Display adj set range 0 to 99999999 Unit Number of sheets Related service mode COPIER COUNTER TOTAL TTL MD PRT Me...

Страница 380: ...is advanced by printout in service mode Display adj set range 0 to 99999999 Unit Number of sheets Default value 0 T 8 23 FEEDER COPIER COUNTER FEEDER M82 M85 FEED ADF original pickup total counter Det...

Страница 381: ...P PD Separation Pad parts counter ADF Details To count up the number of sheets to be fed regardless of 1 sided 2 sided mode Accumulated counter value Use case When checking the consumption level of pa...

Страница 382: ...when the output image after ADF installation is displaced When replacing the Main Controller PCB enter the value of service label As the value is incremented by 1 the margin at the leading edge of the...

Страница 383: ...ompleted unless the OK key is pressed STOP is not displayed Required time Approx 5 seconds FEED ON Operation check of ADF individual feed Details To start operation check of the ADF individual feed in...

Страница 384: ...Bit No Function SW 05 Switch relating to standard functions and DIS signal settings Bit 0 Bit 1 mm inch conversion text mode Bit 2 mm inch conversion text photo mode photo mode Bit 3 Prohibition of bi...

Страница 385: ...control for IP network Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 SW 19 SW 21 Not in use SW 22 Bit 0 Prohibition of NSX transmission Bit 1 Prohibition of recording by splitting data into A4 Bit 2 Prohibition of se...

Страница 386: ...60 sec 06 NCC pause after ID code 1 to 60 sec 07 Spare 08 STORED_DIAL_MODE wait timer 0 to 65 sec 09 Not in use 10 T 30 T0 timer 55 sec principally 11 T 30 T1 timer for incoming transmission 0 to 9999...

Страница 387: ...peration Method 1 Setting of Tone Parameters While NCU is displayed press OK key Select TONE and press OK key so that it becomes tone parameter setting mode 2 Setting of Pulse Parameters While NCU is...

Страница 388: ...umeric value parameter Parameter No Function Setting range M82 M85 01 T0 timer 0 to 9999 x 10 msec 02 T1 timer 0 to 9999 x 10 msec 03 T2 timer 0 to 9999 x 10 msec 04 T3 timer 0 to 9999 x 10 msec 05 T4...

Страница 389: ...99 x 10 msec 05 T4 timer 0 to 9999 x 10 msec 06 Signal detection table 0 to 16 07 Signal detection level 0 to 7 08 Number of signal frequency 0 to 9999 T 8 36 T 8 37 REORDER TONE Bit Switch Bit No Fun...

Страница 390: ...01 At F T switching CNG mIN ON time 0 to 9999 x 10 msec 02 CNG mAX ON time 0 to 9999 x 10 msec 03 Tolerable time of instantaneous interruption 0 to 9999 x 10 msec 04 CNG OFF time 0 to 9999 x 10 msec...

Страница 391: ...e to the density correction process when normal gamma LUT is used and the density characteristics of the engine when the linear gamma LUT is used Use case At trouble analysis Adj set operate method En...

Страница 392: ...ance with the setting value the specified frequency is oscillated by the tone transmission function of the modem Check this with the speaker Use case When analyzing the cause of a problem Adj set oper...

Страница 393: ...rate method Enter the setting value and then press OK key Caution Be sure to set the value back to 0 after the test Display adj set range 0 to 1 0 OFF 1 ON Default value 0 T 8 44 TESTMODE PRINT M82 M8...

Страница 394: ...Special Tools Solvents and Oils General Circuit Diagram Backup Data Appendex...

Страница 395: ...ital Multimeter FY9 2002 Used as a probe extension when making electrical checks Solvents and Oils The table below lists the standard tools required in service works for this product No Name of Tool U...

Страница 396: ...8 2 3 4 5 6 1 7 J611 1 2 3 4 5 6 7 8 J601 7 1 6 5 4 3 2 8 9 10 11 12 13 14 15 16 17 J161 30 3 2 1 1 2 3 J206 3 2 1 2 3 1 J709 1 2 J706 9 8 2 3 4 5 6 1 7 J710 1 2 3 J4018 1 2 3 J708 1 2 3 J654 2 1 FU1A...

Страница 397: ...9 10 11 13 15 12 14 J901 3 2 1 J1404 COR5 COR4 7 6 5 4 3 2 1 J904L 2 3 4 1 J1305 3 2 1 J1312 1 2 3 J1302 J130 J1003DH 1 2 J1003D J1310DH 2 1 J1003L 2 3 1 J2008 3 2 1 J902L 7 1 6 5 4 3 2 8 9 10 J903L M...

Страница 398: ...GND GND 3 3V GND 24V 3 3V_LCD GND LCD_CS LCD_DIN LCD_DOUT LCD_CLK LVDS_DATA_N LVDS_DATA_P LVDS_CLK_N LVDS_CLK_P PANEL_TX1 PANEL_RX1 PANEL_RX0 PANEL_TX0 RST_PULQUE RST_PANEL GND 24 28 26 20 18 16 1 2 3...

Страница 399: ...J109 J140 J131 J104 J802H J951 J802L J802D 4 3 2 1 4 3 2 1 J404 J1024 J1023 J1022 J1021 J151 J403 J701 1 2 3 4 J810 J172 J1011 1 2 J105 J163 J162 J161 J152 J153 J611 J406 J115 J621 1 2 3 4 5 6 7 8 9...

Страница 400: ...2 1 J972 24 28 26 20 18 16 1 2 3 4 5 6 7 8 9 11 13 15 17 19 21 23 25 27 10 2 2 4 1 2 1 J924 FT41 1 2 3 4 5 6 J961 2 1 J922 J918_BUS 0 19 J918 J941 24 28 26 20 18 16 1 2 3 4 5 6 7 8 9 11 13 15 17 19 21...

Страница 401: ...ar No No Service mode Service mode setting values R CON RCON Clear No No Service mode setting values MN CON Flash ROM Clear Clear Clear No Yes Service mode 8 USB memory Service mode setting values DC...

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