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Canon Color imageCLASS MF8280Cw, Service Manual

The Canon Color imageCLASS MF8280Cw is a versatile all-in-one printer that delivers exceptional quality and vibrant color printing, copying, scanning, and faxing. This product comes with a user-friendly manual, which you can download for free from our website, ensuring you have all the necessary instructions at your fingertips.

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Product Overview > Specifications > Paper types / Paper size > MF8500 Series

Product Overview > Specifications > Paper types / Paper size > MF8500 Series

Paper types / Paper size

 

■

MF8500 Series

Type

Size

Feeding

direction

(mm)

Width

direction

(mm)

Pickup position

MP Tray

Cassette

Thin paper (60 g/m

2

)

-

-

-

-

Recycled (60 to 74g/m

2

)

*1

Color (60 to 74g/m

2

)

Plain 1 (60 to 74g/m

2

)

Plain 2 (70 to 84g/m

2

)

Plain 3 (75 to 90g/m

2

)

Thick 1 (86 to 119g/m

2

)

Thick 2 (120 to 128g/m

2

)

Thick 3 (129 to 163g/m

2

)

A4

*3

210.0 

297.0 

YES

YES

B5

182.0 

257.0 

YES

YES

A5

148.0 

210.0 

YES

YES

LGL

215.9 

355.6 

YES

YES

LTR

*3

215.9 

279.4 

YES

YES

STMT

139.7 

215.9 

YES

YES

EXEC

*4

184.1 

266.7 

YES

YES

OFFICIO

317.5 

215.9 

YES

YES

B-OFFICIO

355.0 

216.0 

YES

YES

M-OFFICIO

341.0 

216.0 

YES

YES

GLTR

203.2 

266.7 

YES

YES

GLGL

330.2 

203.2 

YES

YES

FLS

330.2 

215.9 

YES

YES

K16

195.0 

270.0 

YES

YES

Custom Paper Size

-

YES

*5

YES

*6

Coated 1 

(100 to 110g/m

2

)

Coated 2

(120 to 130g/m

2

)

Coated 3

(155 to 165g/m

2

)

A4

*3

210.0 

297.0 

YES

YES

LTR

*3

215.9 

279.4 

YES

YES

Coated 4

(210 to 220g/m

2

)

A4

*3

210.0 

297.0 

YES

-

(100 to 110g/m

2

)

215.9 

279.4 

YES

-

Transparency

*2

A4

*3

210.0 

297.0 

YES

YES

LTR

*3

215.9 

279.4 

YES

YES

Label

A4

*3

210.0 

297.0 

YES

YES

LTR

*3

215.9 

279.4 

YES

YES

Custom Paper Size

-

YES

*5

YES

*6

Index card

Postcard

*4

100 

148

YES

YES

Reply Postcard

*4

 

148 

200 

YES

YES

Envelope

Envelope COM10 

104.7

241.3

YES

YES

Envelope Monarch 

98.4

190.5

YES

-

N3

*4

120

235

YES

YES

Y3

*4

120

235

YES

YES

Envelope C5

162

229

YES

YES

Envelope DL

110

220

YES

YES

Custom Paper Size

*4

-

YES

*5

YES

*6

T-1-12

*1: 100% recycled paper is also usable.
*2: Use transparency sheets for laser printers.

  (Canon’s genuine transparency sheets are specially recommended.)

*3: Received documents, report and lists can be printed.
*4: You can load paper of the following custom paper sizes.

  Width 3" to 8 1/2" (76.2 to 215.9 mm); Length 5" to 14"(127 to 355.6 mm)

*5: You can load paper of the following custom paper sizes.

  Width 4" to 8 1/2" (100 to 215.9 mm); Length 5 7/8" to 14" (148 to 355.6 mm)

Summary of Contents for Color imageCLASS MF8280Cw

Page 1: ...8 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 ...

Page 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...

Page 3: ...means 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 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 goe...

Page 4: ...per 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 Mode 2 5 Document Exposure Feeder System 2 6 Document Exposure System 2 6 Document Feeder System 2 8 Service Tasks 2 9 Controller System 2 10 Overview 2 10 Controls 2 11 Service Tasks 2 14 Laser Cont...

Page 5: ...r 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 Removing the CIS Unit 4 49 Removing the Reader Scanner Motor 4 52 Controller System 4 55 Location 4 55 Removing the Controller Cover 4 57 Removing the Wireless LAN PCB MF8580Cdw 4 57 Removing the Main...

Page 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 exposure feeder system 4 157 Location 4 157 Removing the ADF Unit Copyboard Reader Unit 4 158 Separating the ADF Unit Copyboard Reader Unit 4 160 Removing the ADF Roller Unit MF8280Cw 8250Cn 8240Cw 823...

Page 7: ...ler 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 Laser Exposure System 5 9 6 Trouble Shooting Test Print 6 2 Engine test print 6 2 Controller test print 6 3 Trouble shooting items 6 5 Recurring faulty image 6 5 Confirming nip width 6 5 Special Man...

Page 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 Diagram III General Circuit Diagram MF8500 III General Circuit Diagram MF8200 VI Backup Data VIII ...

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

Page 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 ausgewechselt besteht Explosionsgefahr Gebrauchte Batterien gemäß der Anleitung beseitigen Laser Safety About Laser Beams Laser radiation may be hazardous to human The laser scanner unit mounted in this...

Page 11: ...y 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 right position when assembling 4 To keep electric conduction binding screws with washers ar...

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

Page 13: ...Yes 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 1 T 1 1 Function MF8200 Series MF8280Cw MF8250Cn MF8240Cw MF8230Cn MF8210Cn Appearance Copy Yes Yes Yes Yes Yes Print Yes Yes Yes Yes Yes Fax Yes Yes USB Scan Yes Yes Yes Yes Yes Network Scan Yes Ye...

Page 14: ...it 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 F 1 3 T 1 3 MF8200 Series 1 No Name Description Remarks 1 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 ...

Page 15: ...t 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 Addition of Scan to PC Paper Save Copy by supporting Smart Shortcut Key Wireless LAN supported MF8570Cdw MF8580Cdw MF8240Cw MF8280Cw Increased engine speed from 8 12 ppm CL BW to 14 14 ppm CL BW MF8200 se...

Page 16: ... function 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 For copy jobs Leading edge 5 0 2 0 mm Left Side 5 0 1 5 mm FAX Report Leading edge 5 0 2 0 mm Left Side 5 0 1 5 mm For print jobs Non envelope Leading edge 5 0 1 5 mm Left Side 5 0 1 8 mm 1 2 mm For...

Page 17: ...g 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 43 dB or lower acoustic power level During copy jobs Color 65 2 dB or lower B W 63 9 dB or lower Power rating Rated input voltage 100 127 V 100V system 220 240 V 200V system Rated input frequency 50 ...

Page 18: ...mm 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 IEEE802 11g IEEE802 11b IEEE 802 11n Transmission Scheme DS SS System OFDM System Frequency Range 2412 to 2472 MHz Data Transmission Rate IEEE802 11g 6 9 12 18 24 36 48 54 Mbps IEEE802 11b 1 2 5 5 11 ...

Page 19: ...m 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 V 17 V 29 V 27ter Transmission procedure V 21 Transmission speed 33 600 bps Coding Compression method JBIG MMR MR MH Error correction ECM Minimum receivable input level V 17 V 27ter V 29 6 to 43 dBm...

Page 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 4 Transparency 6 5 5 0 Label 9 7 7 6 Index card 4 3 4 6 Envelope 7 6 5 4 By reducing throughput print speed becomes approximately 2 pages min at a minimum T 1 10 MF8200 Series Unit page minute Paper ...

Page 21: ...0 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 2 A4 3 210 0 297 0 YES YES LTR 3 215 9 279 4 YES YES Label A4 3 210 0 297 0 YES YES LTR 3 215 9 279 4 YES YES Custom Paper Size YES 5 YES 6 Index card Postcard 4 100 148 YES YES Reply Postcard 4 148 ...

Page 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 YES Transparency 2 Label A4 3 210 0 297 0 YES YES LTR 3 215 9 279 4 YES YES Index card Postcard 100 148 YES YES Reply Postcard 148 200 YES YES Envelope Envelope COM10 104 7 241 3 YES YES Envelope Monar...

Page 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 scanner for document from feeder 6 Paper cassette 15 Delivery tray 7 Document feed tray 16 Copyboard glass 8 Extension tray 17 USB memory port 9 Document delivery tray 18 Manual feed guide ...

Page 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 5 1 Y toner cartridge slot 2 M toner cartridge slot 3 C toner cartridge slot 4 Bk toner cartridge slot 5 Toner cartridge tray F 1 9 ...

Page 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 switch F 1 10 Rear Side 5 3 1 2 4 6 7 8 9 1 USB port 6 Power socket 2 LAN port 7 Rear cover 3 Handset terminal 8 Vent hole 4 External telephone terminal 9 Rating plate 5 Telephone line terminal unused In...

Page 26: ...sfer 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 Secondary transfer external roller 8 MP tray separation pad 17 Duplex feed roller 9 MP tray pickup roller F 1 13 Reader ADF Unit 1 2 3 4 5 6 7 8 1 ADF registration roller 2 ADF separation roller 3 AD...

Page 27: ...ssembly 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 Photosensitive drum 14 Secondary transfer external roller F 1 15 Reader ADF Unit 1 2 3 4 5 6 7 8 1 ADF registration roller 2 ADF separation roller 3 ADF pickup roller 4 ADF unit 5 Reader unit 6 ADF delive...

Page 28: ...y 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 15 Paper Save Copy key F 1 17 MF8540 MF8530 MF8240 MF8230 MF8210 Series Main Control Panel 11 10 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 6 7 8 9 1 2 3 4 5 1 COPY key 14 Stop key 2 SCAN key 15 ke...

Page 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 print and fax can be checked It is also possible to check the status of this equipment such as the paper level toner level and occurrence of an error Energy Saver key It is used to enter cancel sleep ...

Page 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 ...

Page 31: ...dges 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 time or the last rotation to issuance of a print command from the main controller or power OFF Maintain the print ready status The printer enters the sleep mode upon receiving a sleep command from the ...

Page 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 sync signal TOP Primary charging bias Development bias Y M C Development bias Bk Primary transfer bias Y Primary transfer bias M C Primary transfer bias Bk Secondary transfer bias 0 7 3 6 4 5 5 2 1 7...

Page 33: ...M701 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 signal TOP Primary charging bias Development bias Y M C Development bias Bk Primary transfer bias Y Primary transfer bias M C Primary transfer bias Bk Secondary transfer bias 3 5 4 4 2 0 6 1 7 6 1 6 ...

Page 34: ...normal 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 when environment temperature is 20 deg C and above and switched to 1 3 speed mode when the temperature is lower than 20 deg C 4 For Coated paper 1 100 to 110 g m2 switched to normal mode when enviro...

Page 35: ...Horizontal 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 Color CIS Number of lines 1 line Number of pixels 5184 pixels as total pixels 5107 pixels as effective pixels Maximum document scanning width 216mm CIS Drive Control Drive Control by Reader Motor M720 Do...

Page 36: ...ment 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 reading and ADF reading ADF center alignment Copyboard upper left alignment Set scaling enlargement Set scaling original size recording paper size Original Output Original Output Original Output Original...

Page 37: ...inal 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 the Original The leading edge of the original that is fed pushes up the actuator activating the Document End Sensor SR702 light shielded light transmitted and resulting in detection of the reach of ...

Page 38: ...er 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 stream reading Reader Unit 1 Enter the setting value of the Standard White Plate 2 Execute the color B W AGC adjustment 3 Execute the reading position adjustment 4 Execute the white level adjustment ...

Page 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 2 9 T 2 5 MF8200 Series Low Voltage Power Supply PCB Off Hook PCB Telephone Line Network Reader Unit Main Controller PCB DC Controller PCB FAX NCU PCB Wireless LAN PCB Driver PCB Parts name Role Main...

Page 40: ...very 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 Driving parts Type Failure detection Drum Motor M701 Photosensitive Drum Developing Cylinder ITB DC Motor Available Pickup Motor M702 Pickup Roller Feed Roller Registration Roller Stepping Motor Not Avail...

Page 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 Main Controller PCB 3 3V 24S_ON 24V Low voltage Power Supply all night Power Switch SW1 DCON_ON 24V DCON 24V REM 3 3V DCON AC input Protection Circuit Frequency Detecting Circuit ZEROX Noise Filter F...

Page 42: ...lay 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 The main controller enters the power saving mode Automatic shutdown The Main Power Switch is turned OFF when a specified period of time has passed default 4 hours after the machine has entered sleep ...

Page 43: ...n 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 mode data 7 Reinstall the drivers In the case of a model without fax for EUR MF8540 MF8230 perform the following works 8 Setting of automatic shutdown menu display 9 Turn OFF and then ON the main power...

Page 44: ...e 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 Photosensitive Drum K Photosensitive Drum C Photosensitive Drum M Photosensitive Drum Y DC Controller Main Controller F 2 14 Controls Failure detection 1 Scanner Motor failures The rotation does not reach the ...

Page 45: ...the 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 replaced parts durable parts or periodical service is set for this product Service Notes Point to note when replacing the laser scanner unit Do not disassemble the laser scanner unit in the field because...

Page 46: ...al 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 unit Photosensitive drum Primary transfer pad Laser scanner F 2 15 Parts MF8500 series Y M C Bk ITB Cleaning Brush ITB Cleaning Roller Toner Cartridge Developing Cylinder Photosensitive Drum Color Disp...

Page 47: ...e 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 Rotation of ITB photosensitive drum Block Step Static image formation block Drum cleaning block 2 Laser beam exposure 9 Drum cleaning 1 Primary charging 4 Primary transfer Transfer block 5 Secondary tr...

Page 48: ...photosensitive 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 through friction between the developing cylinder and the developing blade surface The DC bias is applied to the developing cylinder to generate potential difference from the photosensitive drum When th...

Page 49: ...ITB 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 roller to charge the paper positively By this the negatively charged toner image on the ITB is transferred to the paper ITB Secondary transfer external roller Media ITB drive roller DC bias Static c...

Page 50: ...t 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 the ITB cleaning roller and the ITB cleaning brush to charge the collected toner positively The positively charged collected toner is reversely transferred from the ITB to the photosensitive drum by ...

Page 51: ...ss 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 to collect into the cleaner container Now the photosensitive drum is cleaned Sweeper strip Waste toner container Photosensitive drum Cleaning blade F 2 27 ...

Page 52: ...oping 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 photosensitive drum to the ITB Developing blade cartridge Secondary transfer bias DC positive Transfer the toner image on the ITB to the paper Secondary transfer external roller DC negative Clean the ...

Page 53: ...lf 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 correction control T 2 13 F 2 29 Execution timing The table below lists the execution timing and duration of each control No Execution timing Duration D max D half Color displacement correction Remarks ...

Page 54: ...ol 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 enter the following steps of D half control 1 The DC controller PCB measures the density detection patterns on the ITB by applying the primary charging bias and the developing bias optimized through...

Page 55: ... each toner cartridge This causes color displacement at the trailing edge due to cartridge dependent image area in the horizontal scanning direction Auto gradation correction control This control is to stabilize the image gradation density characteristic To execute this control go to Adjustment Cleaning Auto gradation correction in User mode This control is performed in the following 3 approaches ...

Page 56: ...r 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 Monochrome print Disengagement Engagement full color print Engagement Related Error Code E015 000 Error in developing roller contact Failed to detect changes in developing home position sensor signals ...

Page 57: ...al 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 replaced parts durable parts or periodical service work is set for this product Notes on Field Service ...

Page 58: ...y 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 models of MF8200 series with slower print speed The temperatures in the whole fixing assembly are controlled by the fixing control circuit and the fixing heater safety circuit based on commands from the ...

Page 59: ...s 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 extension time is determined according to the table shown below Category Paper type 1 Plain paper environment temperature is 18 deg C or lower heavy paper 1 heavy paper 2 2 Plain paper environment temp...

Page 60: ...temperatures 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 low speed mode to prevent temperature rise on the pressure roller Different sheet to sheet temperatures are set depending on sheet intervals or paper types F 2 33 Protective Control his control is to...

Page 61: ...h 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 Series only 3 Abnormally low temperature failure The thermistor temperature remains at pre defined temperature or lower within the pre defined time after heater temperature control during printing Related...

Page 62: ...h 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 tray Delivery slot Face down tray Automatic 2 sided Available F 2 34 MF8200 Series Face down Delivery Cassette Pickup Manual Feed Pickup Pickup slot Cassette Manual feed slot Delivery slot Face down...

Page 63: ...ay 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 Duplex Feed Roller Duplex Feed Roller F 2 36 MF8200 Series Manual Feed Roler Cassette Separation Roller Cassette Pickup Roller Registration Roller Secondary Transfer External Roller Pressure Roller Delive...

Page 64: ...elivery 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 Clutch SR14 MP tray paper sensor CL2 Duplex feeding clutch SR15 Delivery full sensor F 2 38 T 2 23 MF8200 Series SR602 SR604 SR605 SR609 SR603 M701 M703 SR601 M702 SL705 Symbol Name Symbol Name M701 ...

Page 65: ...rce 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 Lifting plate Multiple feed Normal feed The separation roller does not rotate F 2 40 Jam detection Overview This product has the paper sensors as listed below to detect paper level and paper feed status ...

Page 66: ...re 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 the trailing edge of the paper is detected by the registration sensor 1 1 MF8500 SR4 MF8200 SR602 2 MF8500 SR8 MF8200 SR609 Other jams Fixing seizure jam This occurs when the fixing delivery sensor SR8...

Page 67: ...hnical 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 durable parts or periodical service is set for this product Notes on service works No periodically ...

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

Page 69: ...6 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 Multi purpose tray separation pad Clean with lint free paper For heavy soils use alcohol to wipe off with lint free paper 4 Multi purpose tray pickup roller 5 Multi purpose tray feed roller 6 Cassette pi...

Page 70: ...odical 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 Paper feed guide 4 Fixing front guide F 3 2 T 3 2 ...

Page 71: ...ent 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 feeder system Controller System Laser Exposure System Image Formation System Fixing System Pickup Feeder System ...

Page 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 page 4 20 10 Control Panel Lower Cover 11 Control Panel Refer to page 4 70 12 Upper Cover Refer to page 4 28 13 USB Port 14 Right Front Cover Refer to page 4 22 15 Front Cover Refer to page 4 23 16 Cas...

Page 73: ...xternal 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 Rear Lower Cover Refer to page 4 25 5 Power Socket 6 Telephone Line Jack 7 LAN Port 8 USB Port 9 External Device Jack 10 Handset Terminal F 4 2 T 4 2 ...

Page 74: ...me 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 Duplexing Reverse Drive Unit Refer to page 4 85 5 Main Drive Unit Refer to page 4 76 6 Low Voltage Power Supply Unit Refer to page 4 65 7 MP Paper Pickup Unit Refer to page 4 125 8 Paper Pickup Unit R...

Page 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 12 Delivery Unit Refer to page 4 128 13 Secondary Transfer Feed Unit Refer to page 4 127 14 Duplex Feed Unit Refer to page 4 130 15 Re Pickup Guide Unit Refer to page 4 131 T 4 4 ...

Page 76: ...ply 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 Unit Refer to page 4 100 M3 Registration Motor Pickup Unit M4 Fixing Motor Product configuration Refer to page 4 111 M5 Pickup Motor Product configuration Refer to page 4 118 M7 Laser Scanner Motor La...

Page 77: ...eater 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 Product configuration MF8580Cdw 8550Cdn Refer to page 4 89 SW1 Main Power Switch Product configuration MF8580Cdw 8550Cdn MF8540Cdn CL1 MP Tray Feeding Clutch Product configuration CL2 Duplex Feeding C...

Page 78: ...eader 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 configuration SR4 Registration Detection Sensor Pickup Unit SR6 Developing Homeposition Sensor Main Drive Unit SR7 MP Tray Pre Registration Detection Sensor Product configuration SR8 Fixing Delivery Sens...

Page 79: ...onfiguration 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 UN14 UN20 No Parts Name Main Unit Remarks Reference Adjastment during parts replacement UN2 Driver PCB Product configuration Refer to page 4 68 UN6 Fixing Relay PCB Product configuration UN7 Fixing Sub...

Page 80: ...Sub 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 INLET J386 UN8 Low Voltage Main PCB J386 UN9 Low Voltage Sub PCB J383 UN8 Low Voltage Main PCB J387 UN9 Low Voltage Sub PCB J388 UN8 Low Voltage Main PCB J388 UN9 Low Voltage Sub PCB J391 UN9 Low Volta...

Page 81: ...ltage 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 Registration Detection Sensor J164 UN5 Relay PCB J3002 SR1 Paper Feeder Pre Registration Detection Sensor J165 UN5 Relay PCB J3003 SR12 Pre registration Detection Sensor J165 UN5 Relay PCB J3004 SR13 ...

Page 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 J3009 SR16 ITB Pressure Release Sensor J903 UN13 Main Controller PCB J1302 PS703 Document Sensor J903 UN13 Main Controller PCB J1305 M721 ADF Motor J903 UN13 Main Controller PCB J1310 J1312 PS702 Docu...

Page 83: ...UN2 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 J207 UN2 Driver PCB J207 SL2 Cassette Pickup Solenoid J208 UN2 Driver PCB J208 CL1 MP Tray Feeding Clutch J209 UN2 Driver PCB J209 SL1 MP Tray Pickup Solenoid J210 UN2 Driver PCB J210 UN9 Low Voltage S...

Page 84: ...0 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 Reversal Solenoid J704 UN10 Duplex Driver PCB J704 CL2 Duplex Feeding Clutch J705 UN10 Duplex Driver PCB J705 FM2 Duplex Feeding Fan J708 UN6 Fixing Relay PCB J4018 SR15 Delivery Full Sensor J709 UN...

Page 85: ...rence 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 Cover 11 Control Panel Refer to page 4 70 12 Upper Cover Refer to page 4 28 13 USB Port 14 Right Front Cover Refer to page 4 22 15 Front Cover Refer to page 4 23 16 Cassette 17 Multi Purpose Tray Tra...

Page 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 to page 4 25 5 Power Socket 6 Telephone Line Jack 7 LAN Port 8 USB Port 9 External Device Jack 10 Handset Terminal F 4 13 T 4 16 ...

Page 87: ...2 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 of the host machine and push the Left Cover directly upward with your finger on the A part of the Left Cover CAUTION Do not open A part of the Left Cover in the direction of the arrow when removing th...

Page 88: ...ssembly 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 the Left Cover 1 Fit the hook 1 at the upper right side of the Left Cover to the upper left area 2 of the Upper Cover 1 2 F 4 19 ...

Page 89: ...l 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 Upper Cover to match the Left Cover to the machine 1 2 1 4 3 F 4 20 4 Install the Left Cover 1 1 Claw 2 8 Hooks 3 2 Screws 4 4 2 x2 1 3 3 F 4 21 ...

Page 90: ...r 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 Right Cover into the holes 3 of the Upper Cover x3 3 2 2 1 2 While pushing the Right Cover 1 to the Host Machine fit the left surface A of the Right Cover to the right surface B of the Right Front Cover ...

Page 91: ...ng 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 of the Right Front Cover x3 2 1 2 1 4 Install the Right Cover 1 4 screws 2 1 2 2 2 x4 F 4 25 F 4 26 ...

Page 92: ...ove 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 Remove the claw 1 at the lower right side of the Right Front Cover 6 Put a flat blade screwdriver into the gap A between the upper area of the Right Front Cover and the Upper Cover to remove the cla...

Page 93: ...ight 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 pins 1 using a screwdriver 1 1 F 4 29 F 4 30 3 While closing the Front Cover 1 release the shaft 3 of the Left Link 2 and the protrusion 4 4 While closing the Front Cover 1 release the shaft 6 of the Ri...

Page 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 1 to remove the Rear Upper Cover 2 1 Hook 3 x2 1 1 2 3 F 4 32 F 4 33 Removing the Rear Cover Procedure 1 Open the Rear Cover 1 2 Close the Duplex Feed Unit 2 1 2 3 Remove the Rear Cover 1 2 screws 2...

Page 95: ...ving 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 Refer to page 4 24 Procedure 1 Remove the arm 1 2 link caps 2 1 2 1 2 F 4 36 2 Open the Duplex Feed Unit 1 and remove the 2 claws 2 and 2 bosses 3 2 3 2 3 1 3 Close the Duplex Feed Unit 1 1 F 4 37 F 4 3...

Page 96: ...ver 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 the Rear Cover Rib Unit 3 and remove the Rear Lower Cover 1 2 Hooks 4 A A 4 1 1 2 2 1 3 F 4 39 ...

Page 97: ...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 Refer to page 4 24 5 Remove the Rear Lower Cover Refer to page 4 25 Procedure 1 Remove the Rear Cover Rib Unit 1 2 bearing holders 2 1 fixing guide 3 1 connector 4 1 3 4 2 F 4 40 CAUTION At installation make sure that the spring 1 is installed on A ...

Page 98: ...1 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 the Rear Upper Cover Refer to page 4 24 Procedure 1 Remove the USB Host PCB Unit 1 1 screw 2 1 1 2 F 4 42 2 Remove 6 screws 1 x6 1 2 2 2 3 Release 2 claws 1 of the Upper Cover with a flat blade screwdr...

Page 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 1 2 5 Remove the Upper Cover 1 3 Hooks 2 2 1 F 4 45 F 4 46 ...

Page 100: ...tridge 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 2 Pull out the Cartridge Tray 1 3 Remove the toner cartridges Y M C Bk 2 2 1 F 4 47 4 While raising the stopper 1 remove the Cartridge Tray 2 1 Protrusion 3 2 1 3 F 4 48 ...

Page 101: ...ADF 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 ADF Paper Feeder Unit M721 Refer to page 4 46 7 ADF Separation Pad ADF Paper Feeder Unit Refer to page 4 42 8 Reader Unit Product Configuration Refer to page 4 35 Refer to page 4 37 9 CIS Unit Reader ...

Page 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 Unit 2 Remove the claw 1 to remove the Reader Shaft Retainer 2 3 While supporting the ADF Unit Reader Unit 3 remove the Reader Support Shaft 4 3 1 4 2 F 4 50 4 Bring down the Reader Support Shaft 1 to ...

Page 103: ...chine 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 with a lock 2 Be sure to insert the Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the Flat Cable 1 are fitted in the 2 grooves B of the connector with a lo...

Page 104: ...ing 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 remove the ADF Unit Reader Unit 2 2 Screws 3 2 Hooks 4 2 x2 3 1 1 A 4 F 4 55 ...

Page 105: ...ove 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 ADF Unit and Reader Unit respectively 1 Place the ADF Unit and Reader Unit in the open status as shown in the figure below F 4 56 2 Remove the Reader Unit Lower Cover 1 1 Screw 2 4 Claws 3 3 Harnesses ...

Page 106: ...N 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 the setting value COPIER ADJUST CCD DFTAR R RED shading target value when using DF COPIER ADJUST CCD DFTAR G GREEN shading target value when using DF COPIER ADJUST CCD DFTAR B BLUE shading target va...

Page 107: ...hite 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 FUNCTION CCD DF WLVL2 White level adjustment DF scanning COPIER FUNCTION CCD DF WLVL4 White level adjustment BW DF scanning If it fails turn OFF ON the power and execute the operation again 2 Checking the s...

Page 108: ...ure 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 adjustment Removing the ADF Roller Unit Procedure CAUTION Do not touch the surface of the roller 1 Open the ADF Upper Cover 1 1 2 Remove the gear 1 and the bushing 2 1 claw 3 1 2 3 F 4 62 F 4 63 ...

Page 109: ...ssembly 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 bushing 3 1 2 3 F 4 64 F 4 65 CAUTION Be careful not to lose the spring 1 attached to the ADF Roller Unit 1 F 4 66 ...

Page 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 ADF Roller Unit Refer to page 4 38 Procedure 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 R...

Page 111: ...it 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 bushing 3 CAUTION Be careful not to lose the parallel pin 2 at assembly disassembly 1 2 F 4 71 F 4 72 3 Turn the Roller Shaft 1 in the direction of the arrow and fit the projection 2 to the hole of the ...

Page 112: ...paration 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 4 76 3 Remove the Retaining Plate 1 On the Back of the Feed Guide 2 Screws 2 2 Tabs 3 of the Separation Pad Holder 1 2 3 x2 4 Remove the Separation Pad Holder 1 1 F 4 77 F 4 78 ...

Page 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 Pickup Feed Unit Procedure 1 Open the ADF Upper Cover 1 1 2 Remove the hook 1 using flat head driver and remove the ADF Front Cover 2 in the direction of the arrow 1 2 F 4 81 F 4 82 ...

Page 114: ...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 2 1 1 F 4 83 4 Remove the boss 1 to remove the ADF Rear Cover 2 in the direction of the arrow 4 claws 3 1 2 3 3 3 x4 5 Remove the harness 1 and the grounding cord 2 1 screw binding 3 4 connectors 4 2 Harness Guide 5 x4 1 3 5 5 2 4 4 x2 F 4 84 F 4 85 ...

Page 115: ...dure 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 the ADF Pickup Feed Unit 2 1 2 F 4 86 F 4 87 8 Remove the ADF Upper Cover Unit 1 2 bosses 2 1 2 2 Z F 4 88 ...

Page 116: ...Unit 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 of the arrow 2 screws 2 1 belt 3 x2 1 2 2 3 F 4 89 CAUTION When installing the ADF Pickup Motor be sure to hook the gear 1 of the motor on the belt 2 1 2 When installing the ADF Pickup Motor be sure...

Page 117: ...der 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 replace the Copyboard Glass be sure to replace the Copyboard Glass together with the Reader Unit Upper Cover 1 Remove the 3 screws 1 at the bottom of the Reader Unit x3 1 F 4 92 2 Remove the Scoopup sheet ...

Page 118: ...wing 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 value reference F 4 95 3 Set a blank paper on the Copyboard Glass and execute the white level adjustment with the following service mode 1 Then check the auto setting value with the following service m...

Page 119: ...r 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 CIS Unit 2 2 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 1 2 F 4 96 3 Remove the CIS Unit Mount 1 and remove the flat cable 2 1 guid...

Page 120: ...n 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 Spacer 2 together with the CIS Unit 1 included in the pacage of the Service Parts 3 When the CIS Spacers are mixed up or lost check the CIS Rank Label 3 to use and use the appropriate CIS Spacer that fi...

Page 121: ...IER 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 auto setting value with the following service mode 2 and write the value in the service label 1 White level adjustment COPIER FUNCTION CCD DF WLVL1 White level adjustment copyboard scanning COPIER F...

Page 122: ...xecute 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 adjustment Removing the Reader Scanner Motor Preparation 1 Remove the Right Cover Refer to page 4 20 2 Remove the Left Cover Refer to page 4 17 3 Remove the ADF Unit Reader Unit Refer to page 4 32 4 Separ...

Page 123: ...moving 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 1 2 4 Remove the gear 1 1 claw 2 2 1 F 4 104 F 4 105 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 4 106 F 4 107 ...

Page 124: ...Assembly 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 through the hole A 9 Remove the Reader Scanner Motor 3 from the Motor Mounting Plate 2 2 screws 4 x2 4 2 1 A 3 F 4 108 F 4 109 ...

Page 125: ...ration 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 page 4 57 6 Controller Cover Product Configuration Refer to page 4 57 7 Control Panel Unit Product Configuration Refer to page 4 70 8 Control Panel Key PCB Control Panel Unit UN20 Refer to page 4 73 ...

Page 126: ...tion 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 Product Configuration MF8580Cdw 8550Cdn SP1 Refer to page 4 89 17 Driver PCB Product Configuration UN2 Refer to page 4 68 18 Main Drive Unit Product Configuration Refer to page 4 76 19 Low Voltage Pow...

Page 127: ...ng 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 MF8580Cdw Preparation 1 Removing the Right Cover Refer to page 4 20 2 Removing the Controller Cover Refer to page 4 57 Procedure 1 Remove the Wireless LAN PCB 1 1 Screw 2 1 Flat Cable 3 1 2 3 F 4 113 ...

Page 128: ...select 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 settings shown on the service label 1 these are entered after replacement 4 Write down the machine s serial number and the data of Settings Registration System Settings Device Information Location the...

Page 129: ...set 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 are cleared according to the values of LOCALE and SIZE LC set in step 1 Setting Registration data the default value for each destination is set Service mode data the default value for each destinatio...

Page 130: ...ork 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 in the Starter Guide In case of network connection Installing via Network Connection In case of USB connection Installing with USB Connection MEMO MAC address information is changed after replacemen...

Page 131: ...es 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 Controller PCB respectively Before replacing the DC Controller PCB 1 In service mode perform the following procedure to store the DC Controller setting values COPIER FUNCTION VIFFNC STOR DCN Preparation...

Page 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 Printer Recovery Setting be sure to wait for about 15 seconds because of internal process operation 2 Turn OFF and then ON the power 3 Execute the following Menu Adjustment Maintenance Print Color Di...

Page 133: ...ing 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 the Right Front Cover Refer to page 4 22 6 Removing the Upper Cover Refer to page 4 28 Procedure 1 Remove the Harness Cover Plate 1 2 screws 2 x2 1 2 2 F 4 121 2 Remove the harness guide 1 6 claws 2 ...

Page 134: ...he 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 CAUTION When installing the High voltage Power PCB 1 to the host machine make sure that the contact spring 3 is connected from the 18 round holes 2 2 3 1 F 4 126 ...

Page 135: ...Cdw 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 Unit Refer to page 4 86 Procedure 1 Free the harness 1 from the guide A 1 Connector 2 2 Free the harness 3 from the guide B 1 Connector 4 3 Disconnect the connector 5 FAX model only A 1 2 5 B 3 4 2 3 ...

Page 136: ...sassembly 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 2 1 2 x3 F 4 130 ...

Page 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 Fixing Fixing Power Supply Cooling Fan Unit Refer to page 4 86 Procedure 1 Remove the PCB Fixation Plate 1 FAX model only 2 Screws 2 x2 1 2 F 4 131 2 Remove the wire harness 1 and remove the wire harn...

Page 138: ...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 7 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 8 Removing the Main Controller PCB Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 Procedure 1 Remove the flat cable guide case 1 1 screw 2 2 claws 3...

Page 139: ...t 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 Upper Cover Refer to page 4 28 Procedure 1 Disconnect the flat cable 1 and the 7 connectors 2 1 x8 2 2 2 F 4 136 2 Remove the harness guide 1 1 screw 2 1 hook 3 2 1 3 3 Remove the Relay PCB 1 1 screw ...

Page 140: ...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 4 139 1 Remove the claw 1 to remove the Reader Shaft Retainer 2 2 While supporting the ADF Unit Copyboard Reader Unit 3 remove the Reader Support Shaft 4 3 Bring down the Reader Support Shaft 4 to close the ADF Unit Copyboard Reader Unit 3 1 2 3 4 4 ADF Ope...

Page 141: ...emoving 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 the copyboard 1 2 F 4 142 F 4 143 7 Shift the Control Panel Unit 1 and disconnect the Faston Connector 2 14 Claws 3 x14 1 3 3 3 2 F 4 144 ...

Page 142: ...1 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 lock 2 Be sure to insert the Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the Flat Cable 1 are fitted in the 2 grooves B of the connector with a lock 2 loc...

Page 143: ...ing 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 1 Remove the Control Panel LCD PCB 1 1 Wire Saddle 2 1 Connector 3 1 Flat Cable Connector Lock 4 1 LCD Flat Cable 5 3 Screws 6 x3 x2 6 5 1 2 3 4 2 Remove the Control Panel LCD PCB Mounting Plate 1 3...

Page 144: ...ntrol 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 Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the LCD Flat Cable 1 are fitted in the 2 grooves B of the connector with a lock 2 lock the Flat Cable Connector...

Page 145: ...r 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 F 4 153 Removing the Off Hook PCB MF8580Cdw 8550Cdn Preparation 1 Removing the Right Cover Refer to page 4 20 2 Removing the Left Cover Refer to page 4 17 3 Removing the Right Front Cover Refer to pa...

Page 146: ...r 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 the Driver PCB Refer to page 4 10 13 Removing the FAX PCB FAX model only Refer to page 4 75 14 Removing the Fixing Fixing Power Supply Cooling Fan Unit Refer to page 4 86 15 Removing the Fixing Sub P...

Page 147: ...Main 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 Guide A A 1 1 A 5 Free the harness 1 extruding out of the rear side B and C of the machine from the Harness Guide A 1 1 1 1 1 A C B F 4 158 F 4 159 ...

Page 148: ...wer 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 Flat head Screw 2 adjusts the interval between the plate 1 and parts in the vicinity be sure to install the Special Flat head Screw 2 in the location it was in before removal x6 2 4 3 1 5 5 6 3 4 F 4...

Page 149: ...sassembly 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 F 4 162 8 Remove the Main Switch Unit 1 2 Screws 2 1 Hook 3 1 Reuse Band 4 2 x2 1 1 3 4 F 4 163 ...

Page 150: ...oller 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 11 Remove the wire harness guide 1 2 claws 2 1 hook 3 x2 1 2 2 3 12 Remove the sheet 1 3 Hooks 2 2 2 1 F 4 166 F 4 167 ...

Page 151: ...Drive 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 wire harness 1 from the wire harness guide 2 and remove the wire harness guide 2 in the arrow direction 1 claw 3 2 fixing guides 4 4 4 3 1 2 x2 F 4 170 ...

Page 152: ...dure 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 machine A 1 F 4 171 16 Remove the wire harness 1 and remove the Drive Unit 2 5 fixing guides 3 1 Connector 4 6 screws 5 1 claw 6 x6 2 5 6 5 5 5 5 5 4 x5 3 3 3 1 F 4 172 ...

Page 153: ...4 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 F 4 173 4 The directions of the groove A of the gear 1 of the Main Drive Unit and the groove B of the Gear Cover of the Main Drive Unit are aligned If the directions are not aligned rotate the gear ...

Page 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 4 175 2 Be sure to keep the following in mind when installing Fit the joint 1 of the gear of the Main Drive Unit with the joint 2 of the host machine Fit the hole 3 of the link with the shaft 4 of th...

Page 155: ...to 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 to page 4 27 Procedure 1 Remove the wire harness 1 from the wire harness cover 2 2 connectors 3 3 x2 1 2 1 F 4 177 CAUTION Be sure to insert the 2 harnesses 1 at the bottom of the Guide A when instal...

Page 156: ...emoving 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 to page 4 58 5 Removing the Main Controller Support Plate Refer to page 4 61 Procedure 1 Free the Grounding Wire 1 from the Harness Guide A Fax model only 1 Connector 2 1 2 A F 4 180 2 Remove the Coo...

Page 157: ...ing 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 the installation direction Place the Fan Cable 1 in the indicated position Make sure that the fan label 2 faces to the inside of the host machine 1 2 F 4 183 F 4 182 ...

Page 158: ...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 Refer to page 4 25 5 Removing the Rear Lower Cover Refer to page 4 25 6 Removing the Rear Cover Rib Unit Refer to page 4 27 Procedure 1 Remove the spring 1 3 bosses 2 1 2 2 F 4 184 2 Free the harness 2 from the spring 1 1 2 3 Remove the fixing guide 1 and free the harness 2 ...

Page 159: ...ION 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 1 2 F 4 188 F 4 187 Removing the Speaker MF8580Cdw 8550Cdn Preparation 1 Removing the Right Cover Refer to page 4 20 2 Removing the Controller Cover Refer to page 4 57 Procedure 1 Remove the Speaker ...

Page 160: ...ver 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 Cover Refer to page 4 28 7 Removing the Rear Cover Refer to page 4 24 8 Removing the Rear Lower Cover Refer to page 4 25 9 Removing the Rear Cover Rib Unit Refer to page 4 27 10 Removing the Duplex ...

Page 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 plate 1 2 screws 2 x2 1 2 2 F 4 192 2 Remove the Harness Guide 1 and free the harness 2 and the Flat Cable 3 2 Flat Cables 4 5 Connectors 5 3 Fixation Guides 6 6 Claws 7 7 6 5 5 x3 x5 x2 x6 1 3 4 2 5...

Page 162: ...aser 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 Scanner Unit when installing 1 A 2 3 F 4 195 F 4 196 4 Remove the Upper Front Supporting Plate 1 4 screws 2 x4 1 2 2 F 4 197 ...

Page 163: ...Exposure 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 F 4 198 7 Remove the Scanner Fixing Spring 1 in the rear from 1 hook 2 1 2 8 Remove the Laser Scanner Unit 1 1 F 4 199 F 4 200 ...

Page 164: ...radiation 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 output correction value vertical scanning irradiation position2 K MAI S Y0 Laser output correction value horizontal scanning irradiation position0 Y MAI S M0 Laser output correction value horizontal sc...

Page 165: ...ary 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 not to touch the surface of the ITB and the Secondary Transfer Roller when disassembling assembling 1 Pull out the Patch Density Registration Sensor Unit 1 toward the front 2 Screws 2 2 Bosses 3 2 Prot...

Page 166: ...the 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 against the Patch Density Registration Sensor Unit 2 at the lower side and the frame 3 at the upper side when installing removing 1 3 2 F 4 207 ...

Page 167: ...it 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 the ITB Unit 2 by pulling it out 2 1 A A 3 B B 3 F 4 208 CAUTION Be sure to install the harness 1 to the guide A of the ITB Unit when installing 1 A F 4 209 ...

Page 168: ...DF 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 8 Removing the Cartridge Tray Refer to page 4 30 Procedure CAUTION Be sure not to touch the surface of the ITB and the Secondary Transfer Roller when disassembling assembling 1 Remove 1 connector 1 a...

Page 169: ...gh 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 through the hole A refer to the following steps to remove the Front Cover Link Arm Left so that the connector 1 can be put through the hole A more easily Removing the Front Cover Link Arm Left 1 Remove the...

Page 170: ...e 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 page 4 28 7 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 8 Removing the Main Controller PCB Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 Proce...

Page 171: ...ing 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 Developing Motor by the difference in gears Gear 1 of the Drum Motor White with a groove A on its side Gear 2 of the Developing Motor Black with no groove 1 2 A F 4 219 ...

Page 172: ...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 page 4 28 7 Removing the Wireless LAN PCB MF8580Cdw only Refer to page 4 57 8 Removing the Main Controller PCB Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 Procedure 1 Re...

Page 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 2 of the Developing Motor Black with no groove 1 2 A F 4 223 Removing the Secondary Transfer Outer Roller CAUTION Secondary Transfer Outer Roller is included in Secondary Transfer FeedUnit so when r...

Page 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 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 Removing the Duplex Printing Reverse Drive Unit Refer to page 4 85 Proced...

Page 175: ...ssembly 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 like the figure to prevent papers from the interference at the transit 1 1 F 4 227 F 4 226 3 Remove the Fixing Assembly 1 2 screws 2 2 2 1 x2 F 4 228 ...

Page 176: ...r 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 4 104 Procedure 1 Remove the 2 Pressure Springs 1 on the right and left and the 2 Pressure Plates 2 4 Hooks 3 4 Bosses 4 2 Protrusions 5 5 2 3 3 5 2 3 3 4 4 4 1 1 F 4 229 2 Remove the gear 1 2 Parall...

Page 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 sure to prevent the guide 1 from hitting against the Fixing Film Unit 2 when installing removing 1 2 F 4 234 4 While securing the harness 1 to the guide A remove the harness 1 and the guide 2 Harness...

Page 178: ...ing 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 Harness Guide A C and D A D C 1 2 F 4 236 F 4 237 8 Remove the harness 1 and the guide 2 1 Claws 3 2 Bosses 4 3 4 2 1 1 4 2 F 4 238 ...

Page 179: ...ing 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 2 2 Hooks 3 Harness Guide A A 3 1 3 2 CAUTION Be careful not to lose the spring because the spring is small F 4 240 ...

Page 180: ...moving 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 Removing the Duplex Printing Reverse Drive Unit Refer to page 4 85 8 Removing the Fixing Assembly Refer to page 4 104 9 Removing the Fixing Film Unit Refer to page 4 106 Procedure CAUTION Be sure not t...

Page 181: ...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 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 Fixing Fixing Power Supply Cooling Fan Unit Refer to page 4 86 8 Removing the Fixing Sub PCB Refer to page 4 67 Procedure 1 Free the harness...

Page 182: ...m 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 CAUTION In installation put the edge of the spring 1 and the projection 2 of the gear into the hole on the sheet metal 2 1 F 4 245 ...

Page 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 Roller MP Paper Pickup Roller Unit Refer to page 4 117 7 MP Separation Pad MP Paper Pickup Unit Refer to page 4 117 8 Delivery Unit Product Configuration Refer to page 4 128 9 Secondary Transfer Feed Un...

Page 184: ...ice 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 remove toner cartridges Y M C Bk 6 Place a host machine 1 as the Left Cover faces to the bottom CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from opening ...

Page 185: ...ller 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 Separation Roller Procedure CAUTION Be sure not to touch the surface of the Cassette Pickup Roller 1 and the Cassette Separation Roller 2 1 2 F 4 250 CAUTION When tilting the host machine remove the Toner Ca...

Page 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 catching the fingers 1 3 Remove the 2 projections 1 to remove the Cover 2 1 1 2 F 4 251 F 4 252 4 Open the Holder 1 remove the Cassette Separation Roller 2 2 Claws 3 1 projection 4 1 3 3 2 4 x2 CAUTION At...

Page 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 Pickup Roller turn OFF and then ON the power and then return it to its original position from the replacement position F 4 255 Removing the MP Tray Separation Pad Procedure CAUTION Do not touch the su...

Page 188: ...g 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 page 4 57 8 Removing the Main Controller PCB Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 10 Removing the Fixing Fixing Power Supply Cooling Fan Unit Refer to page ...

Page 189: ...mbly 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 Hooks 3 A 1 2 3 2 F 4 259 F 4 260 4 Remove the Pickup Motor 1 2 Screws 2 1 Connector 3 1 3 x2 2 F 4 261 ...

Page 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 Refer to page 4 58 9 Removing the Main Controller Support Plate Refer to page 4 61 10 Removing the Fixing Fixing Power Supply Cooling Fan Unit Refer to page 4 86 Procedure CAUTION Be sure not to touch t...

Page 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 remove the arm 3 3 hooks 5 1 5 3 4 2 x2 CAUTION For protection install each cover before tilting the machine Close the Rear Cover 1 Install the Upper Cover 2 Install the Left Cover 3 Close the Front Cov...

Page 192: ...ckup 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 Hooks 4 1 1 2 2 3 3 4 4 4 4 8 Put the harness 1 through the hole A of the Side Plate and remove the Pickup Unit 2 6 Screws 3 2 3 3 A 1 x6 F 4 270 F 4 271 ...

Page 193: ...ation 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 Side Plate and Install the Pickup Unit 3 to the host machine 1 2 A 3 F 4 273 2 Place the edge A of the guide of the Pickup Unit over the spring 1 of the host machine 1 A A 1 F 4 274 ...

Page 194: ...nit 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 Unit over the edge E of the Roller Unit of the host machine D E D E 5 Align the 4 protrusions 1 and secure the Pickup Unit with the 6 screws 2 1 2 2 x6 1 F 4 276 F 4 277 ...

Page 195: ...e 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 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 cause damage on the main body or injuries...

Page 196: ...oving 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 link 1 2 2 1 F 4 280 5 Push a flat blade screwdriver to the stopper 1 and remove the MP Tray Pickup Unit 2 in the direction of the arrow 2 2 1 F 4 281 ...

Page 197: ...CAUTION 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 Procedure 1 Open the Rear Cover 1 1 F 4 282 2 Remove the Secondary Transfer Feed Unit 1 1 screw 2 CAUTION When removing the screw be careful not to lose the guide cap 1 because the guide cap is removed t...

Page 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 the Fixing Assembly Refer to page 4 104 9 Removing the ADF Unit Reader Unit Refer to page 4 32 10 Removing the Upper Cover Refer to page 4 28 Procedure 1 Remove the frame 1 6 screws 2 x6 2 2 2 2 1 F 4 ...

Page 199: ...9 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 x3 1 2 2 F 4 288 ...

Page 200: ...he 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 Removing the Rear Lower Cover Refer to page 4 25 Procedure 1 Shift the Duplex Feed Unit 1 in the direction of the arrow and remove the 2 bearings 2 2 2 1 2 Align the claw 1 with the hole of the link 2 and ...

Page 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 to page 4 25 7 Removing the Rear Cover Rib Unit Refer to page 4 27 8 Removing the Duplex Feed Unit Refer to page 4 130 Procedure 1 Remove the Re pickup Guide Unit 1 3 connectors 2 4 screws 3 x3 x4 2...

Page 202: ...e 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 MF8280Cw 8250Cn 8240Cw 8230Cn 8 Delivery Tray MF8280Cw 8250Cn 8240Cw 8230Cn 9 Right Cover Refer to page 4 147 10 Multi Purpose Tray Pickup Cover 11 Paper Guide 12 Control Panel Lower Cover 13 Control Pane...

Page 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 page 4 155 4 Rear Lower Cover Refer to page 4 154 5 Power Socket 6 Telephone Line Jack 7 External Device Jack 8 Handset Terminal 9 LAN Port 10 USB Port F 4 294 T 4 26 ...

Page 204: ...nit 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 No Parts Name Remarks Reference Adjastment during parts replacement 7 Sub Drive Unit Refer to page 4 209 8 Main Drive Unit Refer to page 4 202 9 Low Voltage Power Supply Unit Refer to page 4 190 10 F...

Page 205: ...nit 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 Heater Thermistor Switch speaker MF8200 series TH802 SL706 SW4 SW1 H801 SL705 SP1 SW2 No Parts Name Main Unit Remarks Reference Adjastment during parts replacement H801 Fixing Heater Fixing Film Unit ...

Page 206: ...F8280Cw 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 Detection Sensor Multi purpose Tray Unit SR605 MP Tray Pre Registration Detection Sensor Multi purpose Tray Unit SR606 Developing Homeposition Sensor Product configuration SR607 Rear Cover Sensor Product co...

Page 207: ...ation 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 Controller PCB Product configuration Refer to page 4 183 Refer to page 4 58 UN21 Control Panel LCD PCB Control Panel Unit Refer to page 4 199 UN22 Control Panel Key PCB Control Panel Unit Refer to page 4 199...

Page 208: ...ller 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 J115 UN1 DC Controller PCB J1001 UN3 High Voltage Power Supply PCB J104 UN1 DC Controller PCB J951 SR611 Media Width Sensor R J119 UN1 DC Controller PCB J611 UN7 Patch Sensor J119 UN1 DC Controller PCB ...

Page 209: ...17 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 J391 UN4 Low Voltage Power Supply PCB J393 SW1 Main Power Switch MF8230Cn J929 UN20 Main Controller PCB J392 SW1 Main Power Switch MF8230Cn J391 UN4 Low Voltage Power Supply PCB J391 SW4 Main Power S...

Page 210: ...tte 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 Sensor J140 UN1 DC Controller PCB J408 UN2 Driver PCB J402 UN2 Driver PCB J402 FM1 Fan J403 UN2 Driver PCB J701 M701 Main Motor J901 UN20 Main Controller PCB J409 CIS Unit J908 UN20 Main Controller PC...

Page 211: ...2 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 Sensor MF8280Cw 8250Cn 8240Cw 8230Cn J904 UN20 Main Controller PCB J1402 J1402 M720 Reader Motor J904 UN20 Main Controller PCB J1401 J1404 PS701 CIS Unit Homeposition Sensor J918 UN20 Main Controller PCB ...

Page 212: ...240Cw 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 Delivery Tray MF8280Cw 8250Cn 8240Cw 8230Cn 9 Right Cover Refer to page 4 147 10 Multi Purpose Tray Pickup Cover 11 Paper Guide 12 Control Panel Lower Cover 13 Control Panel Refer to page 4 196 14 Upper ...

Page 213: ...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 page 4 155 4 Rear Lower Cover Refer to page 4 154 5 Power Socket 6 Telephone Line Jack 7 External Device Jack 8 Handset Terminal 9 LAN Port 10 USB Port F 4 306 T 4 38 ...

Page 214: ...ocedure 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 base 3 Open the Reader Unit 2 4 Open the Front Cover 3 1 2 3 about 5cm F 4 308 5 Remove the 4 claws 1 at the upper side of the Left Cover 6 Remove the 3 claws at the rear side of the Left Cover x3 1 1 1...

Page 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 of the Left Cover 1 x2 2 F 4 310 9 Close the Front Cover 1 and then hold the Left Cover 2 to remove 1 claw 3 3 1 2 F 4 311 ...

Page 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 claws 2 at the front side of the Left Cover x3 1 2 about 5cm 4 Fit in the claw 1 at the lower side of the Left Cover x2 1 F 4 312 F 4 313 5 Install the Left Cover 1 5 claws 2 x5 2 2 1 F 4 314 ...

Page 217: ...ure 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 Open the Reader Unit 2 4 Open the Front Cover 3 1 3 2 about 5cm F 4 316 5 Remove the 2 screws 1 and release the 5 claws 2 1 x2 x5 2 2 6 Release the claw 1 and claw 2 while opening the Right Cover x2...

Page 218: ...ng 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 2 claws 2 on the lower side and 2 claws 3 on the front side of the Right Cover 2 3 1 x4 about 5cm CAUTION To install the Right Cover to the Host Machine be sure to install A part of the Right Cover t...

Page 219: ...ving 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 Right Cover and install the Right Cover 2 2 screws 3 1 x2 x5 2 1 3 F 4 322 ...

Page 220: ...ove 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 stopper do not pull out the Cartridge Tray until it hits the end 5 Insert a flat blade screwdriver into the clearance A between the Right Stopper 1 and rail 6 Remove the Right Stopper 1 while pushing the...

Page 221: ...the 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 Front Cover 1 11 Open the Multi purpose Tray Pickup Slot Cover 2 and Multi purpose Tray Pickup Tray 3 2 3 1 12 While lifting the Feeding Guide 1 remove the 3 claws 2 13 Close the Multi purpose Tray P...

Page 222: ...ront 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 Slot Cover 3 2 Shafts 4 2 4 4 3 A 1 F 4 330 F 4 331 17 Remove the Fixation Pin 1 of the Right Arm 1 Claw 2 1 2 18 Remove the Left Holder 2 while holding the Front Cover 1 2 Shafts 3 1 Claw 4 1 2 3 3 ...

Page 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 to page 4 147 2 Remove the Left Cover Refer to page 4 144 Procedure 1 Open the Rear Cover 1 1 2 Remove the Rear Upper Cover 1 1 screw 2 5 claws 3 1 2 3 3 3 x5 F 4 336 F 4 337 ...

Page 224: ...Procedure 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 1 Close the Rear Cover 1 and remove the 2 screws 2 x2 2 2 1 F 4 338 2 Open the Rear Cover and remove the Rear Lower Cover 1 in the direction of the arrow 1 boss 2 4 claws 3 2 1 3 x4 F 4 339 ...

Page 225: ...ver 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 4 154 Procedure 1 Remove the Rear Cover 2 from the shafts 1 of the Rear Lower Cover 1 2 F 4 340 CAUTION When installing the Rear Door be sure to install A part to be attached outside of B part A B A B ...

Page 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 1 Open the Front Cover 2 Remove the USB Host PCB 1 1 screw 2 1 2 F 4 342 3 Remove the Upper Cover 1 8 screws 2 1 claw 3 x8 1 3 2 2 2 CAUTION When installing the Upper Cover 1 make sure that the claw ...

Page 227: ...50Cn 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 to page 4 166 6 ADF Motor ADF Paper Feeder Unit MF8280Cw 8250Cn 8240Cw 8230Cn M721 Refer to page 4 172 7 ADF Separation Pad ADF Paper Feeder Unit MF8280Cw 8250Cn 8240Cw 8230Cn Refer to page 4 167 8 R...

Page 228: ...Upper 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 Reader Unit respectively 1 Remove the claw 1 to remove the Reader Shaft Retainer 2 2 While supporting the ADF Unit Copyboard Reader Unit 3 remove the Reader Support Shaft 4 3 Bring down the Reader Support...

Page 229: ...F 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 connector with a lock 2 Be sure to insert the Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the Flat Cable 1 are fitted in the 2 grooves B of the connector w...

Page 230: ...5 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 to page 4 153 4 Remove the ADF Unit Copyboard Reader Unit Refer to page 4 158 Procedure CAUTION Be sure to perform After replacing ADF unit Refer to page 4 36 and After replacing reader unit Refer t...

Page 231: ...models 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 1 2 3 3 F 4 353 F 4 354 4 Open the ADF Unit Copyboard and separeate it to the dirrection of the arrow from the Reader Unit 2 1 2 NOTE If ADF Unit Copyboard 1 is not opened to the position A it cannot...

Page 232: ...rection 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 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 adjustment ...

Page 233: ...R 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 for image reading start position vertical scanning 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 ...

Page 234: ...Roller 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 Remove the gear 1 and the bushing 2 1 claw 3 1 2 3 F 4 358 F 4 359 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 bushing 3 1 2 3 F 4 36...

Page 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 installing match the spring 1 of 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 4 363 F 4 364 ...

Page 236: ...rocedure 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 4 365 F 4 366 Removing the ADF separation roller MF8280Cw 8250Cn 8240Cw 8230Cn Preparation 1 Remove the ADF roller unit Refer to page 4 164 Procedure CAUTION Do not touch the surface of the roller 1 Re...

Page 237: ...rn 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 Separation Pad MF8280Cw 8250Cn 8240Cw 8230Cn Procedure CAUTION Do not touch the surface of the roller or pad 1 Open the ADF Upper Cover 1 1 2 Unhook the hook 1 using the flat head screw driver and remove ...

Page 238: ...tion 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 Claws 2 2 Shafts 3 x2 1 3 2 2 3 F 4 373 F 4 374 CAUTION Be careful not to lose the spring 2 attached to the Separation Pad Holder 1 1 2 When installing match the spring 1 to the boss 2 of the Feed Guide ...

Page 239: ...eeder 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 8250Cn 8240Cw 8230Cn Procedure 1 Open the ADF Upper Cover 1 1 2 Remove the hook 1 using flat head driver and remove the ADF Front Cover 2 in the direction of the arrow 1 2 F 4 378 F 4 379 ...

Page 240: ...ed 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 F 4 380 4 Remove the boss 1 to remove the ADF Rear Cover 2 in the direction of the arrow 4 claws 3 1 2 x4 3 3 3 5 Remove the harness 1 and the grounding cord 2 1 screw binding 3 3 connectors 4 x3 1 ...

Page 241: ...edure 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 Close the ADF Upper Cover 1 to remove the ADF Pickup Feed Unit 2 1 2 8 Remove the ADF Upper Cover Unit 1 2 bosses 2 2 2 1 F 4 384 F 4 385 ...

Page 242: ...30Cn 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 step 1 Remove the ADF Motor 1 in the direction of the arrow 2 screws 2 1 belt 3 x2 1 2 2 3 F 4 386 CAUTION When installing the ADF Pickup Motor be sure to hook the gear 1 of the motor on the belt 2 ...

Page 243: ...parate 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 Unit respectively CAUTION To replace the Copyboard Glass be sure to replace the Copyboard Glass together with the Reader Unit Upper Cover 1 Remove the 3 screws 1 at the bottom of the Reader Unit x3 1 ...

Page 244: ...llowing 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 value reference F 4 392 3 Set a blank paper on the Copyboard Glass and execute the white level adjustment with the following service mode 1 Then check the auto setting value with the following servi...

Page 245: ...r 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 Pull the Drive Belt 1 to move the CIS Unit 2 2 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 1 2 F 4 393 3 Remove the CIS Unit Mount ...

Page 246: ...d 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 Spacer 2 together with the CIS Unit 1 included in the pacage of the Service Parts 3 When the CIS Spacers are mixed up or lost check the CIS Rank Label 3 to use and use the appropriate CIS Spacer tha...

Page 247: ...service 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 paper on the DF and execute the following service mode COPIER FUNCTION CCD DF WLVL2 White level adjustment DF scanning COPIER FUNCTION CCD DF WLVL4 White level adjustment BW DF scanning If it fails t...

Page 248: ...oard 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 holding the Reader Unit 1 1 Connector 3 3 Harness Guides at the A location CAUTION To prevent parts on the top side of the Reader Unit do not tip the Reader Unit 1 into the perpendicular position 3 2 A 1...

Page 249: ...Reader 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 1 Grounding Plate 3 x2 2 1 3 8 Pass the connector 1 through the hole A 9 Remove the Reader Scanner Motor 3 from the Motor Mounting Plate 2 2 screws 4 x2 4 2 1 A 3 F 4 405 F 4 406 ...

Page 250: ...AN 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...

Page 251: ...Configuration 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 Motor Product Configuration M701 Refer to page 4 210 16 Main Drive Unit Main Drive Unit Refer to page 4 202 17 Low Voltage Power Supply Unit Product Configuration Refer to page 4 190 18 Fixing Power Su...

Page 252: ...e 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 PCB MF8280Cw 8240Cw Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Controller Cover Refer to page 4 182 Procedure 1 Remove the Wireless LAN PCB 1 1 Screw 2 1 Flat Cable 3 2 3 1 F...

Page 253: ...Remote 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 perform the following procedure to export the service mode data and then import it after replacement FUNCTION SYSTEM EXPORT 3 Record the default settings shown on the service label 1 these are entered ...

Page 254: ...model 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 when connecting the Flat Cable 1 to the connector with a lock 2 Be sure to insert the Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the Flat Cable 1 are ...

Page 255: ...nitial 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 Settings Registration System Settings Device Information Location 2 Select COPIER OPTION SERIAL SN MAIN Then press the OK key to write the serial number entered in step 1 in the Main Controller PCB ...

Page 256: ...own 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 Set 1 for automatic shutdown menu display in service mode default 0 COPIER OPTION BODY SDTM DSP 9 Turn OFF and then ON the main power 10 Checking the setting of Auto Sleep Time In setting menu check...

Page 257: ...ds 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 Maintenance Auto Gradation Correction Quick Correction 5 Turn OFF and then ON the power Removing the Driver PCB Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Controller Cover...

Page 258: ...rocedure 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 Supply Unit Cover 1 4 Claws 2 2 Protrusions 3 x4 2 2 2 1 3 2 3 5 Shift the Harness Guide 1 3 Connectors 2 1 Boss 3 4 Hooks 4 x3 3 1 2 4 4 F 4 418 F 4 419 ...

Page 259: ...s 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 because the 2 hooks 2 are hidden under the Main Controller Support Plate 3 1 2 3 After moving the Harness Guide 1 in the direction of the arrow and hooking the 2 hooks 2 and the 2 hooks 3 insert the bos...

Page 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 Controller PCB Refer to page 4 183 8 Remove the Off Hook PCB Fax model only Refer to page 4 201 9 Remove the Fax PCB Fax model only Refer to page 4 201 Procedure 1 Remove the Fax PCB Mounting Plate 1 4 Sc...

Page 261: ...it 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 Plate 1 and remove the Harness Guide 2 3 Screws 3 1 Boss 4 2 Hooks 5 x3 5 4 5 2 1 3 3 7 Free the harness 1 2 Connectors 2 1 Harness Guide A 1 Harness Guide B x2 x2 B A 1 2 F 4 428 F 4 429 ...

Page 262: ...y 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 Low Voltage Power Supply Unit 1 for about 2 cm 1 Connector 2 Harness Guide A 5 Screws 3 2 Hooks 4 x5 A 1 4 3 3 2 F 4 431 ...

Page 263: ...he 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 4 147 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 5 Remove the Upper Cover Refer to page...

Page 264: ...s 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 binding 2 1 screw W SEMS 3 6 claws 4 1 2 2 2 3 4 4 4 x4 x6 CAUTION When installing the High Voltage Power Supply PCB 1 be sure to check that the contact springs 3 are in contact with the 20 round holes 1...

Page 265: ...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 4 154 Procedure 1 Remove the Fixing Power Supply Cover 1 2 screws 2 x2 1 2 2 F 4 438 2 Remove the Harness Guide 1 1 Connector 2 1 Hook 3 3 Remove the Fixing Power Supply Unit 4 2 Connectors 5 4 Screws 6 x4...

Page 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 Retainer 2 2 While supporting the ADF Unit Copyboard Reader Unit 3 remove the Reader Support Shaft 4 3 Bring down the Reader Support Shaft 4 to close the ADF Unit Copyboard Reader Unit 3 1 2 3 4 4 ADF Op...

Page 267: ...cedure 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 Shift the Control Panel Unit 1 and disconnect the Faston Connector 2 14 Claws 3 x14 1 3 3 3 2 CAUTION Do not touch the IC part A of the LCD Flat Cable 1 1 F 4 446 F 4 445 ...

Page 268: ...le 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 insert the Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the Flat Cable 1 are fitted in the 2 grooves B of the connector with a lock 2 lock the Flat Cable Co...

Page 269: ...ving 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 4 449 1 Remove the Control Panel LCD PCB 1 1 Wire Saddle 2 1 Connector 3 1 Flat Cable Connector Lock 4 1 LCD Flat Cable 5 3 Screws 6 x3 x2 6 5 1 2 3 4 2 Remove the Control Panel LCD PCB Mounting Plate 1...

Page 270: ...ontrol 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 Flat Cable 1 into the connector with a lock 2 and after checking that both sides edges A of the LCD Flat Cable 1 are fitted in the 2 grooves B of the connector with a lock 2 lock the Flat Cable Connecto...

Page 271: ...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 Procedure 1 Remove the Fax PCB 1 1 Flat Cable 2 1 Connector 3 4 Screws 4 x4 x2 4 2 4 1 3 F 4 454 Removing the Off Hook PCB MF8280Cw 8250Cn Preparation 1 Remove the Right Cover Refer to page 4 147 Procedure ...

Page 272: ...8 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 4 190 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 Remov...

Page 273: ...s 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 2 1 F 4 458 F 4 459 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 Drive Unit Cover 2 2 Screws 3 ...

Page 274: ...ver 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 12 Remove the Link Shaft 1 2 Bosses 2 2 1 F 4 462 F 4 463 CAUTION When installing the Link Shaft be sure to fit the boss 1 of the Link Shaft to the groove 2 of the arm of the Main Drive Unit 1 2 F 4 4...

Page 275: ...Unit 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 Free the harness 1 1 Connector 2 Guide A 16 Free the harness 3 Guides A and B x2 2 B 3 A 1 17 Remove the Harness Guide 1 1 Claw 2 2 Hooks 3 1 2 3 F 4 467 F 4 468 ...

Page 276: ...n 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 2 3 3 F 4 469 F 4 470 20 Remove the Harness Guide 1 1 Boss 2 3 Hooks 3 1 2 3 3 21 Remove the Harness Guide 1 2 Bosses 2 1 Hook 3 1 2 3 F 4 471 F 4 472 ...

Page 277: ...s 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 1 of the Sub Drive Unit is in the correct position as shown in the figure below If not rotate the gear 1 in the direction of the arrow to set the hook 2 in the correct position 1 1 2 2 F 4 474 ...

Page 278: ...et 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 the Main Drive Unit 1 is set at the correct position as shown in the figure below If not pull out the Cartridge Cover Link 3 Be sure to install the shaft 4 of the Main Drive Unit by fitting it in the h...

Page 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 Remove the Fax PCB Fax model only Refer to page 4 201 13 Remove the the Main Drive Unit Refer to page 4 202 Procedure 1 Remove the Sub Drive Unit 1 2 Screws 2 1 Parallel Pin 3 1 Bushing 4 x2 4 3 1 2...

Page 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 Procedure 1 Free the harness 1 Flat Cable 2 and remove the Main Controller Support Plate 3 Guide A Guide B 6 Screws 4 x6 3 4 4 x2 A B 1 2 1 F 4 478 2 Remove the Main Motor 1 1 Connector 2 4 Screws 3 ...

Page 281: ...he 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 While lifting the edge B of the Low Voltage Power Supply Unit Cover free the Fan Retainer Spring 1 from the hole C of the plate 1 Claw 3 2 B C 1 1 A A F 4 481 ...

Page 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 Speaker MF8280Cw 8250Cn Preparation 1 Remove the Right Cover Refer to page 4 147 2 Remove the Controller Cover Refer to page 4 182 Procedure 1 Remove the Speaker 1 1 Connector 2 Guide A 2 Claws 3 x2 2 A 3 ...

Page 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 Procedure CAUTION When replacing the Laser Scanner Unit be sure to perform the following procedure After Replacing the Laser Scanner Unit Refer to page 4 94 CAUTION The ITB Unit is under the Laser Scanner ...

Page 284: ...the 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 A and B 6 Free the harness 3 and 4 from the guide 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 2 1 F 4 488 F 4 489...

Page 285: ...ure 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 Drive Unit Cover 2 2 Screws 3 3 x2 2 1 2 1 F 4 490 F 4 491 11 Remove the spring 1 1 Hole A of the Sensor Arm 1 Hook 2 1 1 A 2 F 4 492 ...

Page 286: ...ser 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 Scanner Fixation Spring 5 on the rear side 1 Hook 6 1 Groove C 5 6 C 3 B 1 3 A 4 F 4 493 15 Remove the Laser Scanner Unit 1 2 Bosses 2 3 Protrusions 3 1 2 3 F 4 494 ...

Page 287: ...output 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 scanning irradiation position2 K MAI S Y0 Laser output correction value horizontal scanning irradiation position0 Y MAI S M0 Laser output correction value horizontal scanning irradiation position0 M MAI S ...

Page 288: ...Configuration 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 Refer to page 4 156 Procedure CAUTION Do not touch the ITB CAUTION While removing the cartridges be sure not to scratch the drum surface And cover the drum surface 1 Open the Front Cover 1 2 Pull ou...

Page 289: ...learance 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 the Left Stopper 1 and rail 7 Remove the Left Stopper 1 while pushing the B part 2 Claws 2 1 Protrusion 3 1 2 3 B A F 4 498 F 4 499 8 Remove the Cartridge Tray 1 1 9 Free the harness 1 1 Connector 2 1...

Page 290: ...ion 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 CAUTION Do not place the Drive Link 2 of the ITB Unit on the edge of the rail B otherwise the ITB Unit 1 falls 1 2 B 2 B F 4 504 ...

Page 291: ...nit 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 plate 3 of the ITB Unit using tapes 4 CAUTION When installing removing the ITB Unit be sure to secure the harness 2 using tapes to prevent it from being caught inside the host machine 1 2 3 4 A 1 A F 4 ...

Page 292: ...be 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 A F 4 507 F 4 508 13 Hold the 2 parts A of the ITB Unit and pull out the ITB Unit 1 horizontally by approx 5 cm 14 Hold the 2 guides B at the both ends of the ITB Unit and remove the ITB Unit 1 5 c m...

Page 293: ...ler 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 2 Remove the 2 stoppers 1 2 claws 2 3 Remove the Secondary Transfer Outer Roller 3 3 1 2 1 2 F 4 510 ...

Page 294: ...ary Transfer Outer Roller Procedure Disassembly Assembly Image Formation System Removing the Secondary Transfer Outer Roller Procedure CAUTION When installing the Secondary Transfer External Roller take note of the direction of the Secondary Transfer Roller 1 1 short long F 4 511 ...

Page 295: ...ing 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 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 Procedure CAUTION Take some time until the f...

Page 296: ...ing 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 connectors 2 Guide B Guide C 1 Wire Saddle 3 x2 1 1 3 B C 2 x3 1 F 4 515 ...

Page 297: ...4 227 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 2 1 F 4 516 ...

Page 298: ...e 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 When installing removing the Fixing Film Unit 1 be sure not to touch the Fixing Film 2 1 2 F 4 517 CAUTION When removing the Spring Retainer Holders 1 and the springs 2 be sure to hold them to prevent...

Page 299: ...e 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 At installation be sure to match the protrusion 1 of the Spring Retainer Holder with the cut off parts 2 of the Fixing Frame 1 2 1 2 F 4 520 ...

Page 300: ...aw 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 be sure to combine the Guide Retainer Plate 1 with the Fixing Guide Upper 2 before installing them to the Fixing Assembly 3 Protrusions 3 1 2 3 3 F 4 523 6 Remove the gear 1 1 Claw 2 1 2 F 4 524 ...

Page 301: ...ve 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 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 6 Remove the Fixing Film Unit Refer to page 4 228 Procedure 1 Remo...

Page 302: ...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 Procedure 1 Free the harness 1 Flat Cable 2 and remove the Main Controller Support Plate 3 Guide A Guide B 6 Screws 4 x6 3 4 4 x2 A B 1 2 1 F 4 528 2 Slide the Fixing Motor 1 in the upper right direction to remove 1 conn...

Page 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 Roller Procedure CAUTION Be sure not to touch the surface of the Cassette Pickup Roller 1 and the Cassette Separation Roller 2 1 2 F 4 531 1 Turn ON the power switch 2 Execute the following items in Serv...

Page 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 position the ADF Unit is closed swiftly so this might cause damage on the main body or injuries by catching the fingers 1 1 F 4 532 F 4 533 7 Open 2 projections 1 of the holder in the arrow direction...

Page 305: ...sette 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 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 posi...

Page 306: ...eparation 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 4 539 CAUTION At installation be sure to align the protrusion A of the Cassette Separation Roller 2 with the groove B of the holder while opening the holder 1 1 2 A B F 4 540 ...

Page 307: ...exposed 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 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 cause damage on the main b...

Page 308: ...t 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 3 2 F 4 543 5 While pushing the shaft 2 at the lower side of the Multi purpose Tray Unit 1 down remove the shaft 3 at the upper side of the Multi purpose Tray Unit from the groove B and insert it in...

Page 309: ...ray 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 Set the 2 links 1 of the Multi purpose Tray Unit as shown in the figure below 1 1 F 4 546 ...

Page 310: ...ulti 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 into the groove B 1 2 A 3 B F 4 547 3 Fit the 2 grooves 2 of the Multi purpose Tray Unit 1 to the 2 protrusions 3 of the links of the Multi purpose Tray Unit 1 3 2 3 2 F 4 548 ...

Page 311: ...kup 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 Multi purpose Tray Unit to the groove D 3 D C 2 1 5 Perform the step 3 and earlier steps of the Removing Procedure in reverse order F 4 549 ...

Page 312: ...er 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 Unit Refer to page 4 195 9 Remove the Controller Cover Refer to page 4 182 10 Remove the Wireless LAN PCB MF8280Cw 8240Cw only Refer to page 4 182 11 Remove the Main Controller PCB Refer to page 4 183 1...

Page 313: ...der 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 F 4 552 5 Remove the Sensor Cover Plate 1 1 Screw 2 1 2 6 Remove the Sensor Cover 1 1 Claw 2 1 Hook 3 1 2 3 F 4 553 F 4 554 ...

Page 314: ...ssembly 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 CAUTION When installing the Right Cover 1 be careful not to trap the harness 2 1 2 F 4 556 1 x9 2 F 4 557 ...

Page 315: ...cure 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 cause damage on the main body or injuries by catching the fingers 1 10 Move the 2 Multi purpose Tray Paper Width Guide Plates 1 to the inside as shown in the figure below 1 F 4 558 F 4 559 11 Remove...

Page 316: ...owing 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 side of the Pickup Unit 1 and fit the protrusion 2 of the host machine into the hole A of the plate 1 2 A 3 Push the upper side of the Pickup Unit 1 to fit the protrusion 2 of the host machine into the...

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

Page 318: ...stment Overview Overview Category Parts replacement Reference Controller System Main Controller PCB Laser Exposure System Laser Scaner Unit Image Formation System Developing Assembly Developing Sleeve Unit Drum Unit ITB Patch Sensor T 5 1 ...

Page 319: ...g 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 Execute 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 adjustm...

Page 320: ...rome 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 position vertical scanning 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 optica...

Page 321: ...owing 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 adjustment COPIER FUNCTION CCD BW AGC B W AGC adjustment Then set a blank paper on the DF and execute the following service mode COPIER FUNCTION CCD DF WLVL2 White level adjustment DF scanning COPIER FUNCTION...

Page 322: ...n 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 Adjustment of surface horizontal scanning position in FEEDER mode COPIER ADJUST ADJ XY ADJ X MG Fine adjustment of optical motor speed 5 Execute the original stop position and feed speed adjustment at st...

Page 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 Start in the initial 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 al...

Page 324: ...e 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 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 Set 1 for automatic shutdown menu display in service mod...

Page 325: ...on 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 position2 K MAI S Y0 Laser output correction value horizontal scanning irradiation position0 Y MAI S M0 Laser output correction value horizontal scanning irradiation position0 M MAI S C0 Laser output...

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

Page 327: ...t 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 test print switch 1 on the right side of the device F 6 1 3 The engine test chart is printed in the horizontal line patterns on a sheet as shown below F 6 2 ...

Page 328: ...ages 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 Pascal correction chart 1 For checking density characteristic Error diffusion 1 Pascal correction chart 2 For checking density characteristic Screen 2 Color chart For checking color reproduction characte...

Page 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 Normal gamma 1 Through linear gamma 0 NRKE Flag to switch the color displacement correction processing 1 0 Adopt without processing 1 Adopt with processing 0 BLND Flag to switch the color displacement co...

Page 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 not provide the function to adjust nip width Improper nip width however may cause faulty fixing To avoid potential faults confirm the nip width of the fixing assembly in the following steps 1 Output ...

Page 331: ...may 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 2 seconds or more the machine does not enter the mode Supported models The following table shows availability of service mode by model using the following symbols Supported Supported by model with FA...

Page 332: ...perate 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 idle rotation of the drum Use case When thin sharp horizontal lines appear in halftone images after a long downtime Adj set operate method Select the item and then press OK key Display adj set range 0...

Page 333: ...d 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 0 ON 1 OFF Default value 0 Item Name Description M82 M85 65677 Increase of paper leading edge margin Details To increase the margin on the leading edge of paper As the value is incremented by 1 the ...

Page 334: ...tension 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 threshold value is changed Use case When delaying the display of absence of toner message Adj set operate method 1 Enter the setting value and then press OK key 2 Turn OFF ON the main power switch Dis...

Page 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 scanning Details To cancel the image mask occurs on the left edge at copyboard scanning Use case Upon request from user who does not satisfy with the mask on the left edge Adj set operate method Ent...

Page 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 Japanese version PC Compatible to the selected OS Memory RAM 32MB or more free space Hard Disk 100MB or more free space Display 640x480 pixels or more in resolution 256 tones or more With USB ports UST ...

Page 337: ...ooting 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 9 F 6 10 4 Select USB Device and click Next button 5 Click Start button F 6 11 F 6 12 ...

Page 338: ...ia 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 Preparation 1 Check that there are no other jobs being executed 2 In an environment where access is obtained via a proxy server the proxy setting is made from the remote UI 3 Check that the serial number o...

Page 339: ...d 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 connected to the external network 2 Check whether the proxy setting has been made in case of access via a proxy server 3 Check that the serial number of the host machine is shown on the Main Controller ...

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

Page 341: ...wn 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 information is displayed as 1 digit number as follows Device Location code Host machine 3 ADF 4 Position code When jam occurs pickup location is indicated with the following pickup position code Dev...

Page 342: ...e 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 attaining the target temperature sub thermistor triggered Remedy 1 Check connectors of fixing assembly DC controller PCB 2 Replace fixing film units 3 Replace fixing power supply units 4 Replace DC contr...

Page 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 Description M82 M85 E024 0003 Title Error in toner level sensor Description Abnormal output of toner level sensor Black Remedy 1 Replace toner cartridges 2 Replace high voltage power supply PCBs 3 Replace DC c...

Page 344: ...ce 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 reader motors 3 Replace reader units E Code Detail Code Item Description M82 M85 E246 0000 Title System error Description System error Remedy Contact to the sales companies E247 0000 Title System error D...

Page 345: ...troller 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 the Wireless LAN 3 Install the set of the controller firmware 4 Replace the Main Controller PCB E Code Detail Code Item Description M82 M85 E744 7000 Title Main Controller PCB error Description An e...

Page 346: ...CB 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 Remedy 1 Check connectors of power supply unit and DC controller PCB 2 Replace power supply units 3 Replace DC controller PCBs E840 0000 Title Error in pressure release mechanism Description Failed to co...

Page 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 Detection Sensor SR1 SR4 SR7 SR8 SR10 03 021C Wrap Fixing Delivery Sensor SR8 03 0248 Stationary Registration Detection Sensor SR4 03 0250 Fixing Delivery Sensor SR8 03 0257 Registration Detection Sens...

Page 348: ...R602 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 SR602 SR605 SR609 03 021C Wrap Fixing Delivery Sensor SR609 03 0248 Stationary Registration Detection Sensor SR602 03 0250 Fixing Delivery Sensor SR609 03 0257 Registration Detection Sensor Fixing Del...

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

Page 350: ...bel 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 DISPLAY I O ADJUST FUNCTION OPTION COUNTER SSSW MENU NUM NCU PRINT FAX ADJUST FUNCTION Service mode for copier Service mode for copier Adjustment mode Operation inspection mode I O display mode Counter mo...

Page 351: ...ect 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 Return key Input value screen Enter the setting value numeric keypad ADJ X 30 30 0 Switch the...

Page 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 required for authentication 0 1 Password of RUI service mode 1 1 Password of RUI service mode 2 Password of service mode 2 1 Password of RUI service mode 2 User s system administrator ID 3 Password of sys...

Page 353: ...perate 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 method N A Display only Display adj set range 00 00 to 99 99 Default value 0 COPIER DISPLAY VERSION M82 M85 PANEL PANEL version Details To display the version of PANEL Use case When upgrading the firmwa...

Page 354: ...ailure 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 R Shading target value R Details To display the shading target value of Red Continuous display of 128 minimum or 384 maximum is considered a failure of the CIS Unit Use case At scanned image failure...

Page 355: ...remented 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 negative positive by key and press OK key Caution After the setting value is changed write the changed value in the service label Display adj set range 30 to 30 Unit 0 1 mm Default value 0 ADJ Y Adj of i...

Page 356: ...nging 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 Reduce Enlarge Use case When replacing the Engine Controller PCB clearing RAM data Adj set operate method Enter the setting value switch negative positive by key and press OK key Caution After the set...

Page 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 M85 W PLT Z White level data Z entry of white plate Details To enter the white level data Z for the Standard White Plate When replacing the ADF Reader Unit enter the value of service label When repl...

Page 358: ...TION 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 Unit When replacing the Main Controller PCB Adj set operate method Enter the setting value and then press OK key Display adj set range 128 to 384 Default value 315 Related service mode COPIER DISPLAY...

Page 359: ...alue 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 correction value in the vertical scanning direction at ADF reading 50 Details To correct the color displacement R and G lines in the vertical scanning direction at 50 ADF reading When replacing the Mai...

Page 360: ...inal 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 AGC COPIER ADJUST CCD M82 M85 OFST BW1 Adjustment of CIS Center at B W reading Details To adjust the offset of the CIS Center when reading B W original Use case When replacing the CIS Unit Adj set o...

Page 361: ...value 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 adjust the blue color LED light up time when reading B W original Adj set operate method Enter the setting value and then press OK key Display adj set range 0 to 2432 Default value 1000 Related service mo...

Page 362: ...OK 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 adjust the offset of C color test print reading signal at Auto Adjust Gradation Full Adjust When replacing the Main Controller PCB enter the value of service label As the greater value is set the image ...

Page 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 setting value Y Details To adjust the setting value of Y color primary transfer bias Use case When an image failure occurs Adj set operate method Enter the setting value switch negative positive by key an...

Page 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 value written on the 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 1023 t...

Page 365: ...switch 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 direction Details To adjust the Y color emitting position 3 in the vertical scanning position Use case When replacing the Laser Scanner Unit enter the value written on the label included in the package o...

Page 366: ...et 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 Y in the horizontal scanning direction Details To adjust the Y color scan time 2 in the horizontal scanning direction Use case When replacing the Laser Scanner Unit enter the value written on the la...

Page 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 T 8 10 FUNCTION CCD COPIER FUNCTION CCD M82 M85 DF WLVL1 White level adj in book mode color Details To adjust the white level for copyboard scanning automatically by setting the paper which is usual...

Page 368: ...OPIER 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 COPIER FUNCTION CLEAR M82 M85 R CON Initialization of Reader ADF Details To initialize the factory adjustment values of the Reader ADF Use case When clearing RAM data of the Main Controller PCB Adj s...

Page 369: ...e 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 switches and parameters used in FAX function are output Adj set operate method Select the item and then press OK key SYS DMP Output of system dump list Details To execute report output of the system dump...

Page 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 prevention mode Details To execute the image smear prevention mode Depending on the paper type or environment especially in a high humidity environment thin line or fine halftone may become lighter In...

Page 371: ...ller 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 backup data which has been left for a long period of time is restored it is overwritten with new setting data and the old data is deleted Related service mode COPIER FUNCTION SYSTEM STOR DCN T 8 16 SPLMA...

Page 372: ...ly 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 SPLMAN M82 M85 SPL41971 Execution of curl prevention mode 1 Details To extend the initial rotation time and paper interval and lower the control temperature Use case When paper which has been printed is...

Page 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 edges of paper As the value is incremented by 1 the margin is decreased by 0 1 mm If the setting is incompatible with SPL68677 increase of margins the setting is disabled the margins will be standard Adj...

Page 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 reception mode is set to FAX TEL switching Adj set operate method Select the item and then press OK key Display adj set range 1 to 99 Default value 50 Supplement memo When receiving a call a handset conn...

Page 375: ...h 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 partly missing or characters are faded Adj set operate method Enter the setting value and then press OK key Display adj set range 0 to 1 0 OFF 1 ON Default value 1 Supplement memo TMIC Error diffusion...

Page 376: ...n 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 authentication method at SMTP authentication Details To restrict use of CRAM MD5 authentication method at the time of SMTP authentication When 1 is set CRAM MD5 authentication method is not used Use case Upo...

Page 377: ...1 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 SW ON OFF setting of RUI service mode function Details To set ON OFF of RUI service mode function Use case When setting ON OFF of RUI service mode function Adj set operate method 1 Enter the setting ...

Page 378: ...put 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 TOTAL M82 M85 SERVICE1 Service purposed total counter 1 Details To count up when the paper is delivered outside the machine The counter is advanced regardless of the original size The counter is not adva...

Page 379: ...he 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 Media print counter Details To count up when the media print is delivered outside the machine The counter is advanced regardless of the original size The counter is not advanced by blank paper or deliv...

Page 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 Details To count up the number of originals picked up from the ADF The counter is advanced regardless of the original size Use case When checking the total counter of original pickup by ADF Display adj ...

Page 381: ...SP 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 parts replacing the parts Adj set operate method To clear the counter value Select the item and then enter 0 Caution Clear the counter value after replacement Display adj set range 0 to 99999999 Unit N...

Page 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 image is decreased by 0 1mm The image moves in the direction of the leading edge of the sheet Use case When installing ADF When replacing the Main Controller PCB Adj set operate method Enter the set...

Page 383: ...completed 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 the mode specified by FEED CHK Use case At operation check Adj set operate method Select the item and then press OK key Related service mode FEEDER FUNCTION FEED CHK FEED CHK Setting of ADF individu...

Page 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 bit transmission after DIS bit 33 Bit 4 Declaration of cut paper Bit 5 Declaration of LTR LGL by DIS Bit 6 Prohibition of ECM transmission Bit 7 Prohibition of ECM reception SW 06 Switch relating to se...

Page 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 sequential broadcast Bit 3 Prohibition of manual polling operation Bit 4 Prohibition of manual transmission at archive transmission Bit 5 Bit 6 Archive transmission function available Bit 7 SW 23 SW 24...

Page 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 France 3500 Others 3000 12 Maximum incoming lines 0 to 65535 line 0 without limitation 13 T 30 EOL timer 500 to 3000 set to 55 sec by default 14 Not in use 15 Threshold between hokking nad on hook 0...

Page 387: ...Operation 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 displayed press OK key Select PULSE and press OK key so that it becomes pulse parameter setting mode Item Function Setting range M82 M85 TONE 01 Tone signal sending time PSTN 10 to 9999 msec 02 Minim...

Page 388: ...Numeric 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 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 2nd DIAL TONE Not in use T 8 33 T 8 34 BUSY TONE 0 Bit Switch Bit...

Page 389: ...999 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 Function 1 0 M82 M85 Bit 0 Bit 1 Signal detection method FED FR3 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal start from valid ON signal start from either valid...

Page 390: ...5 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 05 Number of detection 0 to 9999 times 06 Hit ratio 0 to 9999 07 At direct connecting to answering phone CNG MIN ON time 0 to 9999 x 10 msec 08 CNG MAX ON time 0 to 9999 x 10 msec 09 Tolerable time o...

Page 391: ...ue 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 Enter the setting value and then press OK key Display adj set range 0 to 1 0 Normal gamma LUT 1 Through linear gamma LUT Default value 0 Supplement memo Gamma LUT Density gradation characteristic table...

Page 392: ...dance 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 operate 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 7 0 OFF 1 462 Hz 2 1100 Hz 3 1300 Hz 4 1500 Hz 5 1650 Hz ...

Page 393: ...erate 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 M85 DETECT1 Ring detection Details To check the ON OFF state of CI FC and hook from the line The detection results are displayed on the console UART Adj set operate method Enter the setting value and t...

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

Page 395: ...gital 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 Use Remarks 1 Alcohol Cleaning Plastic Rubber Metal part Oil stain Toner stain Keep away from flame Purchase locally 2 Lubricant Apply to gear HY9 0007 MOLYCOTE EM 50L 3 Lubricant Apply to ADF scannin...

Page 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 TB1A TB2A 1 2 3 4 J213 J4004D 3 2 1 J3007 3 2 1 J1203 S4 S3 S1 S2 J140 6 5 4 3 2 1 J152 2 J14 J13 J12 J11 J4004LA S48 S47 S46 S45 S44 S43 S42 S41 4 3 2 1 J203 1 2 3 4 J2005 J4017DH 1 2 3 4 5 6 J166 ...

Page 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 MT32 MT31 1 2 3 4 J1310D 1 J107_BUS 0 23 SOLD12 J912 SOLD11 SOLD9 J6_BUS 0 23 2 1 1 2 3 J1401L 4 3 2 1 J1310L 3 2 1 J1401D J1401DH 4 3 2 1 1 2 3 3 2 1 1 2 3 4 3 2 1 14 12 15 13 11 10 9 8 7 6 5 4 3 2 1...

Page 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 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 27 12 14 22 J924 24 28 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 27 12 14 22 J951 J953 4 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ...

Page 399: ...9 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 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 1 2 3 1 2 3 1 2 3 1 2 1 2 3 4 5 6 1 2 1 2 1 2 1 2 3 1 2 3 4 5 6 7 8 9 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 1 2 3 4 5 1 2 3 1 2 3 4 5 6 7 8...

Page 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 23 25 27 10 2 2 4 1 2 1 J951 4 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 3 2 1 4 J941_BUS 0 19 MT42 SOLD9 2 1 1 2 3 4 5 6 7 8 9 11 13 15 10 12 14 J901 14 ...

Page 401: ...ear 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 CON Flash ROM Clear No Yes Service mode 9 Flash ROM 1 Log data such as Mac address USB serial number printer related setting values scanner related setting values user data and logs are initialized 2...

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