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1. Video Video Video processing 3 Y processing processing Note Printer settings determine whether printing will be subject to resolution 600 400 300 dpi and CIST processing 2 27 TROUBLESHOOTING IMAGE PROBLEMS CHAPTER TROUBLESHOOTING IMAGE PROBLEMS A Initial Checks d Checking the Site of Installation Make sure that the voltage at the power source is as rated 10 Make sure that the site is not subject to high temperature humidity near a water faucet water boiler humidifier and is not cold not close to a source of fire and not subject to dust Make sure that the site is not subject to ammonium gas Make sure that the site is free of direct rays of the sun otherwise curtains are provided Make sure that the room is well ventilated Make sure that the machine is kept level Make sure that the machine will also remain powered at night Make the above checks to see if the site meets the requirements 2 Checking the Originals Try to find out whether the problem is due to the type of original used or to the machine a b The copy density lever is set at 5 1 Copies of originals with a reddish
2. Consult the following for a stocking idea A Each service person is expected to carry one B Each group of five service persons is expected to carry one C Each workshop is expected carry one A 13 APPENDIX F SOLVENTS OILS Name Use Composition Description Eth alchol Ethanol Isopropyl alchol Isopropanol Cleaning copyboard glass mirror etc C2 Hs OH CHZ3 2 CHOH Do not bring near fire Procure locally Isopropyl alcohol may be sub stituted MEK Cleaning e g metal oil or toner dirt CH3 CO C2H5 Methylethyl ketone Do not bring near fire Procure locally Heat resistant grease Lubricating fixing drive assem blies Lithium soap mineral oil family Molybdenum bisulfate Tool No CK 0427 500g can Equivglent grease can be used but should be able to withstand 200 C for extended periods of time Lubricating oil low viscosity Lubricating Scanner rail etc Mineral oil paraffin family ISO VG 68 Oil CK 0451 100cc MOBIL Vactraoil NO 2 Lubrication oil low viscosity Lubricating pick up assembly roller bushing FS2 1005 000 Mineral oil paraffin family ISO VG 220 Oil CK 0524 100cc Lubrication oil A 14 Lubricating drive and friction parts Silicone oil Tool No CK 0551 20g Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT 1 O
3. i c Ju es Laser exposure n u m Developing bias DC component Developing bias ADc component Developing clutch CL4 Post fixing sensor PS7 lt Delivery reversing motor M8 2 Delivery sensor PS13 NENNEN A r Counter CONT1 I i Counter CONT2 i Feeding fan FM1 wr wr c r Exhaust fan FM2 FM3 1 Laser cooling fan FM4 Wr rL srssCswvatW Elecricalunt anFMS w wwrsss A 1 B SIGNALS AND ABBREVIATIONS 1 Signals 1RPDO 1RPD1 2RPDO 3RPD1 ACON APCON ASCNTP ASRXD ASTDX BD BKLTON CBCC CCV CONNECT CCV COUNT Cl CL3D CL5D CNT1D CNT2D CNT3D CS10_D CS11_D CS12_D CS13_D CS14 D CS20_D CS21_D CS22_D CS23_D CS24_D DCH DCON DFLD DSZ1 DSZ2 DSZ3 DSZ4 DVCD FFD FL_S FLPRTH FLPWM FLTH FMD 1 FMD 2 FMD 3 FMD 4 FMD 5 FMD 6 A 2 UPPER CASETTE PAPER DETECTION 0 signal UPPER CASETTE PAPER DETECTION 1 signal LOWER CASETTE PAPER DETECTION 0 signal LOWER CASETTE PAPER DETECTION 1 signal AC DEVELOPING BIAS DRIVE command AUTO POWER CONTROL ON command ASSIST COUNTER PULSE signal ASSIST RECEPTION DATA signal ASSIST TRANSMISSION DATA signal BEAM DETECT signal BACK LIGHT ON signal COPYBOARD COVER CLOSED signal CONTROL CARD CONNECT signal CONTROL CARD COUNTER PULSE signal CALLING INDICATOR signal VERTICAL PATH ROLLER CLUTCH 3 DRIVE command ROLLER CLUTCH 5 DRIVE command COUNTER DRIVE 1 command COUNTE
4. 3 gt 00000 GIJ uid POO 2 16 Sieg alelala sss 1 45 000050400 00 Mm OOOO nrrilg ECCE 28 ait oa 45 222 2 5 alglals abe gt 2 alale elelalole al BERE EE 4 121 f le l la a slo 5 SL2 alo 2lalel 218 8 11 t Qa M de o Ale islr o o gt la gt ale NS E gla la gt 11 813 eia 3 gt gt gt S HHS aly zPick up roller S o s s gt a 31818 8 8 8 8 8 olo ira ilo ra E x Wal z om N solenoid elr p i alejss sle aa 2 AS 1 J122 E P J110 2107 J111 9114 9113 J103 4109 J J417 104 J124 J115 2116 DC controller PCB 9406 J119 000000 anjis eH 00000000 aj v A oo j x l olnia LLULLU e r ejejSiz ale eases 3 212 lt 9 gt o zle SIS ul wll 3 z paed tetteire a al S z 2 g Ed Fr gt 33 Sj l Flo 3 3 E rr 900000 e ETT OE SEG eese scs EERE F i Foi s 3 eld aa RB EO sess 4295 e 1 ila 5 5 e siala ls n o v r e ol olel lt jolaj lt q o o o a e od o o A111 000000 a 3 0000 Fixing temperature 2 Es 3 000 ASSIST 2 detection m s a Scanner motor n o N 3
5. 3 There are three types of copy density auto correction execute the three types as a single set You must have executed shad ing auto correction before executing this mode PD density auto correction 2 200PWM density auto correction 3 600PWM density auto correction This mode is executed to correct the fol lowing D Laser characteristics 2 Developing bias Execute this mode for the following When replacing the laser unit When replacing the copier power supply PCB When image faults occur When replacing the image processor PCB Operation Open the front door and insert the handle of the separation static eliminator cleaning brush into the fixing assembly releasing opening Separation static eliminator cleaning brush Figure 2 223 Insert the door switch tool into the door switch actuator Press the service switch with a hex key will appear in the upper left corner of the LCD 4 Press the key twice The Service Mode Menu screen will appear SERVICE MODE 1 DISPLAY 2 VO DISPLAY 3 ADJUST 4 FUNCTION 5 OPTION 6 COUNTER 7 ACC 8 FAX 4q pb C Cok Figure 2 224 Press FUCNTION on the Menu screen 84 to highlight then press the OK key Press the Page key to bring up the 3rd screen Execute shading auto correction See the descriptions for shading auto correction At the end of
6. ads 4 6 23 E717 error in communication with 10 E051 The horizontal registration home Copy Data Controller 4 14 position detection mechanism is faulty 4 6 24 E803 composite power supply PCB 11 E064 The high voltage output is faulty 4 7 24V output error 4 14 12 E100 BD 4 8 25 AC power is absent 4 15 13 E110 The laser scanner motor fails to 26 DC power is absent 4 16 2 as m 4 9 27 The photosensitive drum fails to 4 17 14 E190 RAM error 4 9 28 Pick up fails pick up from the 15 E191 error in serial communication CASSCUG 4 17 between DC controller PCB and 29 The lifter fails to move 4 18 composite power supply PCB 4 10 30 Pick up fails multifeeder 4 18 16 E202 Scanner home position is not 31 The registration roller fails to rotate 4 19 detected no code indication is made 4 11 32 The scanner fails to move forward in ell te 4 22 aulcm 4 19 38 The Jam message fails to turn OFF 4 22 33 The pre exposure lamp fails to turn ON 4 20 39 The Add Toner message fails to turn 34 The scanning lamp fails to turn ON 4 20 oll 4 22 35 Th
7. Checks Yes No Action Does the main motor rotate until E010 is indicated NO Go to step 4 Main motor including motor driver PCB Is MLCK main motor specific speed signal 0 V while the main motor is rotating NO Replace the main motor DC power sup ply Is the voltage between the fol lowing connectors on the main motor driver normal J150 1 24V J150 2 OV Check the wiring from J204 3 24 V J204 4 0 V on the composite power supply PCB to the main motor if normal see DC power is absent Main motor DC controller PCB Replace the main motor Is the problem corrected End 7 E030 The total copy counter fails to operate Checks Yes No Replace the DC controller PCB Action DC controller PCB Does the total copy counter operate normally Counter 1 right side total copy counter Counter 2 center printer counter NO See The counter fails to oper ate 8 E031 The fax counter fails to operate Checks Yes No Replace the DC controller PCB Action DC controller PCB Does the fax counter operate normally 115 230V model only Counter 3 left side fax counter NO The counter fails to operate Replace the DC controller PCB 4 5 TROUBLESHOOTING MALFUNCTIONS HI 9 E032 The copy data c
8. Display reading 1 0 1 0 Tester reading 2 22 about 5 V about 0 V about 5 V about 0 V about 5 V about 0 V HE STANDARDS AND ADJUSTMENTS PS4 PS5 PS6 Multifeeder paper sensor MFPD Pre registration paper sensor PDP1 Fixing assembly delivery paper sen sor PDP3 Tester probe J113 A11 J113 A5 J109 6 Service mode DC PAO bit2 DC PAO bit3 DC PAO bit5 Make checks nor mal if as indicated Place paper on the paper tray of the multifeeder during standby Open the right door during standby and put copy paper over the pre registration paper sensor Put copy paper over the delivery paper sensor during stand by Copy Copy Copy Copy Paper is not placed Paper is placed paper is not put over the sensor paper is put over the sen sor paper is not put over the sensor paper is put over the sen sor Display reading 1 0 1 0 1 0 Tester reading about 5 V about 0 V about 5 V about 0 V about 5 V about 0 V PS8 PS9 PS10 Vertical path paper sensor PDP4 Right door open closed sensor RDOP Waste toner sensor STDT Tester probe Service mode J113 A2 DC PAO bit9 J113 A8 DC PAO bit10 J113 B6 DC PAO bit1 1 Make checks nor mal if as indicated Move up the sensor lever
9. FIXER RESIST Use it to enter the resistance of the fixing assembly If you have replaced the fixing assembly enter the value recorded on the label attached to the fixing assembly Resistance to FILM LANK Use it to enter the film thickness rank fixing temperature control value If you have replaced the fixing assembly enter the value recorded on the label attached to the fixing assembly thereby setting the fixing temperature control value Label Value to enter in this case 3 Enter a value higher than the recorded value by 1 to 2 if shiny lines vertical occur on solid black copies 7 47 SERVICE MODE HE Item Description Settings Remarks ABC_TBL Use it to decrease the setting if the text den See p 2 20 sity is too low light image when executing 0 00009 AE mode with priority on speed STRD_ADJ Use it to adjust the scanner stop position in ADF F1 stream reading mode Make adjustments if the copy image is too light in stream reading mode using the ADF F1 AE LIGHT Use it to decrease the setting if the back See p 2 21 ground of the original is too conspicuous when using AE mode with priority on image quality mode AE DARK Use it to increase the setting if the text den See p 2 21 sity is too low light image when executing AE mode with priority on image quality 7 48 SERVICE MODE 7 Shading Back Up Data 3 AD
10. POWER C PU Indicates the version number of the CPU on the composite power supply PCB 7 15 SERVICE MODE 5 Version Indication 2 5th screen The indication is given when an expansion board is installed and therefore no indication appears in the absence of such a board Item 1 DISPLAY 05 PRONT xxxx NIB xxxx PS PCL xxxx SCSI XXXX XC OK Description PRCNT Indicates the version number of the Protocol Control PCB NIB Indicates the version number of the Network Interface Board NIB PS PCL Indicates the version number of the Printer Board PS PCL SCSI 7 16 Indicates the version number of the SCSI Board SERVICE MODE 6 Key Editor Indication 7th screen 1 DISPLAY 06 KEY CHK xxH DF SIZE xx EDIT X XXx xmm EDIT Y XXx xmm DOC SIZE Xxxxxx TKEY OK START gt gt C OK Item Description KWY CHK Indicates the code of a specific key that is being pressed except the Reset key See the next page DF SIZE Indicates the size of the original detected by the ADF or the RDF EDIT X Indicates the editor input coordinates EDIT Y EDIT X X direction EDIT Y Y direction DOC SIZE Indicates the size of the original detected by the original size sensor TKEY Touch Panel Press TKEY to highlight then press the OK key All messages turn OFF Then when the touc
11. White Original density Use it to fine adjust the point at which data for shading correction is measured on the standard white plate The adjustment is in units of 1 12 mm about 0 083 mm The presence of scratches on the stan dard white plate can cause noticeable white vertical lines on copies If such is the case shift the point of measurement in ADJ S reverse Point of measurement Standard white plate LASER OFF Use it to adjust the laser OFF timing trailing 0 65535 edge PWM 600 MIN Use it to enter laser basic values If you have initial ized the RAM or PWM 600 MAX Label on the image processor PCB replaced the 0 65535 image processor PWM 200 MIN Enter under PWM600MIN PCB enter the Enter under PWM600MAX value recorded on PWM 200 MAX the label attached gt Enter under PWM20MIN to the image Enter under PWM200MAX processor PCB 7 46 6 Adjusting the AE Fixing Assembly Settings Item 3 ADJUST 06 AE SLOP XXXXX lt FIXER RESIST xxxxx lt FILM ALNK 1 XXXXX lt ABC TBL XXXXX lt STRD_ADJ XXXXX lt C JU IE Description Settings SERVICE MODE Remarks AE SLOP When copying in AE mode with priority on image quality some types of originals gen erate light images If such is the case use this mode to adjust the copy image density 1 19 See p 2 21
12. Are there scratches or tears in the high voltage cable primary charging transfer charging and developing Replace the high voltage cable 4 7 TROUBLESHOOTING MALFUNCTIONS HIN 12 E100 BD error Checks Are the connectors J602 and J603 of the laser driver con nected Is the connector J5041 on the BD PCB connected Yes No Action Re connect them Check the connection of the connector J518 on the image processor PCB if normal go to the next step Re connect it Check the connection of the connector J504 on the image processor PCB if normal go to the next step BD PCB soiled photo face BD PCB Laser unit Image processor PCB 4 8 Clean the photo face of the BD PCB Is the problem corrected End Try replacing the following parts BD PCB Laser unit Image processor PCB HE TROUBLESHOOTING MALFUNCTIONS 13 E110 The laser scanner motor fails to lock Checks Yes No Action Is the connector J153 on the laser scanner motor driver PCB connected NO Connect the connector Perform key operation during standby Is the sound of the rotation of the laser scanner motor heard Go to step 4 DC power sup ply Laser scanner motor driver PCB Laser scanner unit Is the laser scanner driver PCB supplied with power J152 1 24V J152 2 OV Check the wiring betwee
13. Developing assembly Is the coating of toner on the surface of the developing cylin der normal Check the developing bias Scanner Feeding system Make reduced copies and compare them against copies made in Direct Is the location of the problem different Check the scanning system Check the feeding system 3 17 TROUBLESHOOTING IMAGE PROBLEMS 16 The copy has poor sharpness Cause Step Checks Yes No Action 1 Is a printed photo consisting of YES Advise the user that moire may dots copied in photo mode occur at times Copyboard 2 Is the copyboard glass stained YES Clean the copyboard glass glass with oil Scanner dirt 3 Clean the scanning lamp YES End reflecting plate mirror lens and dust proofing glass Is the problem corrected Mirror position 4 Is the horizontal reproduction NO Adjust the distance between ratio in Direct within the speci the No 1 mirror and the No 2 fied range mirror Developing 5 Is the developing bias generat NO 1 Replace the composite bias ed normally power supply PCB 2 Replace the DC controller PCB Drum unit 6 Replace the drum unit Is the YES End problem corrected Transfer charg NO Check the transfer charging ing system 3 18 system wO TROUBLESHOOTING IMAGE PROBLEMS 17 The copy is completely blank Cause Checks Yes No Action Devel
14. Item Description Reference page Initializing RAM Press the appropriate item to highlight then press the Clear key and press the OK key COPY Select it to initialize the data needed for the copier s service mode 3 5 6 and var ious copying modes to initial values ALL Select it to collectively initialize the above data Executing this item will initialize the back up data of both fax and copier 7 69 SERVICE MODE 18 Printing the Parameters 4 FUNCTION 18 CANCEL PRM PRINT OK START Ct JU OK Item Description Reference page Use it to print out the contents of service mode 3 5 and 6 however the machine must be installed with a FAX Board 7 70 1 Press PRM PRINT to highlight then press the OK key 3 ADJUST 5 OPTION 6 COUNTER The machine must be equipped with fax functions SERVICE MODE H 5 OPTIN settings mode Use this mode to set change various machine settings specifications Each press on the key brings up the next screen each press on the key on the other hand brings up the previous screen Press the desired item notation on the screen to highlight Use the keypad to enter numbers Apress on the key will permanently store the entered value When done be sure to turn off and then on the main power switch 1 Setting the Copy Count and Shut Off Slant Mode 5 OPTION 1 COPY
15. PVE OFST Use it to correct offset from the laser center If you have initialized the RAM or 200 200 replaced the image processor PCB enter the value recorded on the service label 7 44 5 Scanner Cassette and Laser Related Items Item 3 ADJUST 05 IC DENS CST LOOP MF LOOP DENS ADJ LASER OFF PWM 600 MIN PWM 600 MAX PWM 200 MIN PWM 200 Description i XXXXX lt i XXXXX lt i XXXXX lt i XXXXX lt i XXXXX lt i XXXXX XXXXX XXXXX XXXXX lt XXXXX XXXXX lt XXXXX Settings SERVICE MODE Remarks IC DENS Use it to adjust the original slice level in image create mode with the Image Editing Board installed Outline level Bi signal P9999919 n Output TIE Outline signal J Output E conceptual diagram A Slice level May be changed 9 ril gt Main scanning direction CST LOOP Use it to adjust arching cassette pick up 0 65535 for factory use MF LOOP Use it to adjust arching multifeeder pick up 0 65535 for factory use 7 45 SERVICE MODE HE Item Description Settings Remarks DENS ADJ Use it to make adjustments if the copy image is foggy as a result of executing copy density auto correction gt 3 Copy density Z Higher setting gt
16. original length detection 1 OPI8 original length detection 1 PI7 PCB internal signal 0 1 2 3 4 7 34 SERVICE MODE 6 Input Output Port 2 of the Feeder 2 I O DISPLAY 06 DF ADO xx DF AD1 xx DF AD2 DF AD3 xx DF AD4 DF AD5 xx DF DAO xx DF DA1 xx C JU IE a RF Input Output Ports Address Indication Logic DF ADO Original sensor S1 In hexadecimal notation DF AD1 Registration sensor S3 In hexadecimal notation DF AD2 Original width volume VR1 In hexadecimal notation DF AD3 Not used DF AD4 Not used DF AD5 Not used DF DAO Original tray sensor LED1 ON signal DF DA1 Registration sensor LED3 ON signal b ADF Input Output Port Address Indication Not used Not used Not used Not used Not used Not used Not used Not used 7 35 SERVICE MODE 7 Input Output Port 1 of the Sorter 2 VO DISPLAY 07 ST A DXXXXXXXX ST B DXXXXXXXX DXXXXXXXX DXXXXXXXX DXXXXXXXX DXXXXXXXX HJT IK 7 36 KE SERVICE MODE a Multi Output Tray 1 2 Input Output Ports 1 2 Address U Indication Logic STA RONDO 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 NOOR WD Guide bar motor drive signal 1 Guide bar motor drive signal 2 Guide bar motor drive signal 2 Guide bar motor drive signal 4 Guide bar motor drive signal ON signal Stapler motor
17. 4 Enter a setting on the keypad n the case of DOC ST T or DOC ST A higher setting will result in a shift to the trailing edge A lower setting will result in a shift to the leading edge In the case of P_INTRVL_T or INTRVL A higher setting will increase the sheet to sheet distance A lower setting will decrease the sheet to sheet distance 5 Press the OK key The sheet on the original tray will be picked up and stopped on the copyboard glass 6 Open the RF slowly and check where the paper has been stopped Thereafter close the RF without removing the paper See below for standards DOC ST T or DOC ST B P INTRVL T or P INTRVL B n 11 6 1 0 3mm 7 Press the OK key The sheet on the copyboard glass will be discharged to the RF s original tray However in the case of DOC STP T and P_INTRVL_T the sheet will be discharged to the original delivery tray 8 To end the work press the Reset key twice to leave service mode 7 82 SERVICE MODE 2 Adjusting the RDF Sensor Cleaning the Belt This screen is effective only when an RDF is installed 7 ACC 02 SENS ADJ OK START x S T OK START x S BCLN B OK START x Ct OK Item Function Description SENS ADJ Use it to execute auto 1 Press SENS SDJ to highlight sensitivit
18. Both ends of the fluorescent lamp has blackened because of deterio ration 8 4 eee SELF DIAGNOSIS IN Action to Take in Response to Error Codes When the self diagnosis function has turned ON and an error code has been indicated you can reset the machine by turning its power switch OFF once E000 E001 E002 E003 E004 and E007 01 and E717 is not reset by turning OFF the power switch this is to prevent the user from casually resetting the machine since such could sometimes damage the machine Resetting 1 Start service mode by pressing the service switch and then pressing the key twice 2 Press FUCNTION on the LCD to highlight then press the OK key 3 Press ERROR on the LCD to highlight then press the OK key e This will automatically remove and then supply power Inthe case of E202 the keys on the control panel will be locked without indicating an error code use ERR under DISPLAY in service mode 1 if this is the case n the case of E007 turning off and then on the main power switch will activate film recovery mode FILM_COMEBACK in service mode 4 thereby resetting the machine after returning the film to its correct position If the film fails to return to the correct position after executing this recovery mode E007 01 will be indi cated If this happens replace the fixing assembly or take appropriate measures return the film
19. Item Function Description DOC_STOP Use it to adjust the origi Compare copies made with an original on the nal stop position for the copyboard glass and copies made using the ADF ADF use this item so that the leading edge registration is correct This is the same as adjusting the original leading edge registration using SW3 on the ADF controller PCB A higher setting will increase the non image width LA_SPEED Use it to adjust the origi A higher setting increases the feeding speed nal feeding speed contracting the image in feeding direction A lower setting decreases the feeding speed extending the image in feeding direction 7 84 SELF DIAGNOSIS CHAPTER 8 SELF DIAGNOSIS The machine is equipped with a self diagnostic mechanism that checks its condition sensors in par ticular and indicates a code on the control panel upon detection of an error A Copier Main cause The fixing temperature fails to rise Thermistor TH1 poor contact open circuit Heater driver faulty DC controller PCB Description The main thermistor TH1 detects less than 50 C for 200 ms 1 sec after voltage has been applied to the heater The main thermistor TH1 detects less than 90 C for 200 ms 2 sec after voltage has been applied to the heater The sub thermistor TH2 detects less than 90 C for 200 ms 4 sec after voltage has been applied to the heater The fixing temperature rises abnormally
20. Jams tend to be limited in terms of where they can occur inside the machine pick up assembly 2 separation feeding assembly 3 fixing delivery assembly and 4 lower feeding assembly 4 Figure 5 501 5 2 1 Pick Up Assembly Checks Yes No www TROUBLESHOOTING FEEDING FAULTS Action Cassette Has the paper come from a cassette Is the cassette installed in the copier properly Further is the dial set correctly Try a different cassette Is the problem corrected NO Go to step 10 Install it properly Check the inside of the cas sette for foreign matter Copy paper Is the copy paper curled or wavy Replace the copy paper Advise the user on the correct method of storing paper Try Canon recommended paper Is the problem correct ed Advise the user to use recom mended paper DC controller PCB Pick up clutch Does the pick up roller of the selected cassette holder rotate during copying operation 2Go through the steps under Pick up fails Pick up roller Is the pick up roller deformed or worn Replace the pick up roller Separation roller Torque limiter Is the separation roller of any cassette holder deformed or worn Replace any deformed or worn separation roller Replace the torque limiter Feeding rol
21. 2 2 gt Hjol gt lale ZISlE al ZX oleis lt o s s x Sia 3 x gis Fa ae Pate tty ed Ed aisle lt als m lt Q qm uw T ao z 000000 xxx dd dd 5 E J204 9 32333 5553 J804 10 APC POWER DC CON CASEPEDE Ds x Duplexing unit L NE J80 inlet motor Drum ambient PS12 temperature Duplexing unit inlet sensor Paper sensor e 518 81 o o Delivery assembl Deli T i elivery reversin Scanning lam Delivery assembly paper deflecting motor ry g ae g oe paper sensor plate solenoid intensity senso General Circuit Diagram 2 4 len clos ei 8 7 6 5 4 3 2 1 Upper cassette Horizontal registration Cassette pick up motor Vertical path roll clutch delivery detection 90507 POWER SUPLLY Feeding fan M4 fatty b FMA Counter r o CAMP d SS Upper cassette Lower cassette i c ee size detection size detection I rT Registration clutch CS_SIZE_V CS SIZE D 95 Lower feeding assembly q 9 Multifeeder pick up Multifeeder rela 7 y re pick up clutc 9900 000 e ol clutch releasing solenoid 8 ye cus J1602 J1605 vo ou J150 Scanner home position assette pick up PCB P J1601 ES T zl d HEATER DAV 000000000000n00000000000 600 J151 z K kl 5 gt oo lt o QM ee err e e
22. 5 E007 01 The fixing film fails to return Cause Step Checks Yes No Action Front cover 1 Turn off the main power switch YES Replace the front cover boss for Is the boss for engagement engagement damaged Roller 2 Has the lower roller tension roller YES Replace the fixing assembly Fixing film or cleaning roller slipped off Is the fixing film cut bent or torn Replace the fixing assembly Has the fixing assembly been used to generate 200 000 copies or more Replace the fixing assembly Releasing lever Is the releasing lever faulty Replace the fixing assembly Fixing film detecting lever Is the tension spring of the fixing film detecting lever normal Further does it move smoothly Correct it Fixing film sensor PS2 Is the fixing film sensor PS2 normal Check the wiring from the DC controller PCB through the relay connector J47 to the sensor if normal replace the sensor Fixing film motor MS 4 4 Turn on the main power and reset the error using ERROR in service mode 4 When the main power turns off auto matically thereafter turn it on once again and execute FILM COMEBACK in service mode 4 Is the operation of the fix ing film motor M5 normal Replace the fixing film motor M5 Replace the fixing assembly KE TROUBLESHOOTING MALFUNCTIONS EH 6 E010 The main motor fails to lock
23. DXXXXXXXX Ports for ADF XXXXXXXX Indicated when E DXXXXXXXX an ADF is DF ExPA xxxxxxxx connected DF ExPB xxxxxxxx DF ExPO xxxxxxxx JER IBK 7 30 HE SERVICE MODE a Input Output Ports of the RDF 1 2 Address Indication DFP4 output O OO N O stopper plate solenoid SL1 paper deflecting plate solenoid SL3 stamping solenoid SL4 Not used Not used Not used Not used Not used pick up roller sensor S5 delivery sensor 1 S6 pick up sensor S7 Not used PCB internal signal PCB internal signal Not used Not used paper present paper present paper present N original sensor S1 registration sensor S3 original width detecting VR Not used reversal sensor S8 delivery sensor 2 S12 original tray paper sensor LED1 registration sensor LED2 1 paper present 1 paper present A D value stored in adjustment mode 1 paper present 1 paper present 1 light ON 1 light ON O O belt motor clock sensor S10 feeding motor clock sensor S9 registration roller clock sensor S11 PCB internal signal PCB internal signal Not used Not used Not used alternates 1 and 0 dur ing rotation alternates 1 and 0 dur ing rotation alternates 1 and 0 dur ing rotation O OIT OONN O copier communication signal copier communication signal copier communicati
24. Figure 2 235 2 17 STANDARDS AND ADJUSTMENTS BH 2 Installing the ROM DIMM b Downloading 1 Insert the ROM DIMM into the slot at an Tools Required angle PC The utility program for upgrading and the new program to be written to the ROM DIMM must have been installed in advance e RS232C cable Downloading Turn off the main power switch Open the front door and remove the connec tor cover for servicing connect the copier to the PC with an RS232C cable lt Cover Figure 2 236 Lott 2 Shift down the ROM DIMM Shift it down in the direction of the arrow until a click is heard Figure 2 238 3 Insert the handle of the separation static eliminator cleaning brush into the fixing assem bly releasing assembly and insert the door switch actuator into the door switch assembly 4 Turn on the main power switch Then press the service switch and press the key twice 5 Press FUNCTION 4 on the screen to lt highlight then press the OK key 9 Figure 2 237 3 Install the removed covers and connect the power cord into the power outlet then turn on the main power switch 2 18 6 Press the Page key to bring up the Downloading screen 4 FUNCTION 13 IP DOWN LOAD PRCON DOWN LOAD JUMP dd b gt IL IE Fi
25. Scanning lamp DC controller PCB Standard white plate Fixing assembly 4 Factory R amp D shading auto correction 8 FIXER REGST 8 FILM LANK 4 FILM COMEBACK 1 Execute factory R amp D shad ing auto correction in ser vice mode 4 1 Enter the values recorded on the label attached to the fix ing assembly under FIXER REGST and FILM LANK in service mode 3 2 Execute FILM COMEBACK 14th page of FUNCTION 2 1 Press the OK key on the LCD 2 2 Check to make sure that RUNNING has ended in OK and the reading of LEVEL is 5 or there around If the operation ended in NG visually check the film for damage and exe cute the mode once again If the operation ended in OK turn off and then on the main power without touching the keys on the control panel 2 11 STANDARDS AND ADJUSTMENTS BH 2 Shading Auto Correction There are two types of shading auto cor rection for servicing and for factory R amp D 3rd screen in 4 n shading auto correction various data items are measured and the results are stored in RAM on the image processor PCB The stored data will be used as tar get value for shading correction executed before copying operation Use this mode for the following When replacing the image processor PCB After executing RAM INIT in service mode Ca Before executing copy auto density co
26. Thermistor TH1 TH2 off con tact poor contact open circuit Fixing heater open circuit cracking Fixing heater drive circuit faulty DC controller PCB faulty Description The main thermistor TH1 detects less than 150 C for 200 ms after it has detect ed 150 C The sub thermistor TH2 detects less than 150 C for 200 ms after it has detect ed 150 C The fixing film has become dis placed Fixing film wrong position tear Tension roller wrong position wrong operation Fixing film motor faulty Fixing film sensor faulty The output of the fixing film sensor contin ues to be 1 or 0 for 2 1 sec or more The fixing film has become fully displaced Fixing film recovery mechanism fault The displacement is not corrected after executing film recovery mode which turns on when the main power is tuned off and on in response to E007 The main motor fails to lock Main motor M1 faulty DC controller PCB faulty The main motor does not lock for 10 sec after it is started The value is outside a specific range and the main motor does not lock for 3 sec The total counter fails to operate Total counter CNT1 CNT2 open circuit DC controller PCB faulty A check is made immediately before the counter turns on and off Normal if the counter drive signal is 0 when the counter turns on The option counter fails to operate Option counte
27. conversion correction Video processing Video Video processing processing 1 FAX Board Video Testing e Printer Board Test Printing 400 dpi or CIST disabled e Network Interface Board Test Printing Analog Image processor PCB CORE IP Board FAX Board Analog Image processor PCB Board FAX Board Analog Image processor PCB CORE FAX Board processor processor processor PCB PCB PCB Image Rotation Image Rotation i F Image Rotation processor Freely coding Memory CCD processor coding Memory processor coding processing 4 Processing PCB Ratio decoding PCB Ratio decoding PCB decoding resolution resolution conversion conversion Ratio resolution conversion Protocol Protocol Protocol Controller Controller Controller Laser Laser driver driver System Printer Boar Printer Board CIST i D A Density Mother jer Board D A Density 1 D A Density L 1 Piter Board conversion correction board conversion correction conversion correction
28. shading auto correction press the Reset key once With the feeder or the copyboard cover open make two solid black copies 10 Check to make sure that is indicated in the upper left corner of the LCD and press the key once The Service Mode Menu screen will appear If is not indicated press the service switch and press the key twice 11 Press FUNCTION 4 to highlight then press the OK key 12 Press the Page key D D to bring up the PD Density Auto Correction screen 4th screen 4 FUNCTION 04 PD PRINT START WHITE MEASURE OK DENSITY SANPLING OK DATA SET OK Az B D 00 00 00 00 00 00 00 00 00 00 00 00 00 00 MUTI 0 gt CASETTE1 4 CASETTE2 A4 Figure 2 225 2 13 STANDARDS AND ADJUSTMENTS Ew 13 Select either MULTI CASSETTE1 or CAS SETTE2 Press the appropriate item to select so that the cursor points to the item 14 Generate a PD pattern print Press PD PRINT to highlight then press the Copy Start key You will be using the pattern print later 15 Place five to ten sheets of blank copy paper on the copy board and close the feeder or the copyboard cover Copyboard glass Figure 2 226 16 Press WHIE MEASURE on the screen to highlight and press the OK key The scanner will move forward to read the blank copy paper 17 Remove the blank copy paper from the copy boa
29. 12 Cause Operation Display Resetting The stapler safety sensor MS6 has turned on for some reason The stapler is not securely installed Normal stapling operation is not possible Stops stapling Flashes the Manual Staple ke Indicates a message on the copier s control panel Wait until the machine auto matically recovers about 1 sec after the sta pler safety sensor turns off Open and then close the stapler cover Stapling safety protection mecha nism acti vation The stapler safety sensor MS6 has turned on during stapling operation Stops stapling No indication Remove the cause that turned on the stapler safety sensor MS6 wait until the machine recov ers automatically in about 1 sec after the stapler safety sensor turns off Over sta pling capacity The volume of paper in a single bin has exceeded the maximum value 20 sheets in stapler sort mode Finishes sorting but stops without stapling Indicates a mes sage on the copier s control panel Remove all paper stack Full sta pling capacity The volume of paper in a single bin has reached the maximum value 20 sheets in stapler sorter mode Operates nor mally No indication Remove all paper stack Mixed paper SIZES Sheets of different widths have been placed in the bin Finishes sorting but stops without stapling
30. 241 2 21 STANDARDS AND ADJUSTMENTS HE 8 Checking the Photointerrupters The photointerrupters may be checked either using a conventional tester or using service mode 1 Using a Tester 1 Set the tester range to 12 VDC 2 Connect the tester probe to GND 0 VDC of the DC controller PCB 3 Make checks as instructed Using Service Mode 1 Open the front door and insert the door switch actuator into the door switch assembly then insert the handle of the static eliminator cleaning brush into the fixing assembly releasing assembly 2 Press the service switch 3 Press the key twice and press I O DISPALY 2 to highlight then press the OK key 4 Press the Page key to select the screen showing the desired address PS1 PS2 PS3 Scanner home posi tion sensor SCHP Fixing film sensor FFD Copyboard cover open closed sensor CBCC Tester probe J107 A2 J109 3 J113 B9 Service mode DC PAO bitO DC PAO bit1 Make checks nor mal if as indicated Move the scanner from home position during standby Move the detecting lever by hand dur ing standby Open close the copyboard cover dur ing standby The scan ner is at home position The scan ner is not at home position The light blocking plate is present The light blocking plate is absent The copy board cover is closed The copy board cover is opened
31. 8 000 25 to 800 in 1 increments Wait time 8 6 sec or less 20 C from main power on to start of copying 7 9 sec or less from control panel power on sleep to start of copying fax model First copy GP215 9 2 sec or less shortest mode Continuous copying 100 copies Copy size Cassette pick up 297 x 420 mm max 11 x 17 279 x 432mm max A5 STMT min Multifeeder 297 x 431 8 mm max 11 x 17 279 x 432mm max Postcard A6 vertical Paper source 500 sheets in each cassette 50 sheets in multifeeder 80 g m paper Types of copy paper Cassette Plain paper 64 to 80 g m tracing paper SM1 GNT80 colored paper recycled paper 64 to 80 g m envelope COM10 Monarch DL C5 B5 No 4 Multifeeder Plain paper 64 to 128 g m tracing paper GNT80 trans parency postcard label sheet recycled paper 64 to 80 g m envelope Canon recommended paper May be used but may not feed as expected A 8 Plain paper 64 to 80 g m Plain paper 64 to 128 g m no overlay copying Cassette Claw Non Regular universal 55 mm max stacking height about 500 sheets of 80 g m paper Multifeeder tray 50 sheets 80 g m Delivery tray 100 sheets approx 80 g m Non Leading trailing edge 2 5 mm in Direct image width Left right 2 5 mm in Direct Auto clear Provided Au
32. Check the inlet guide for for eign matter e g toner Clean with solvent Fixing film Fixing assembly Fixing assembly 5 6 Is the fixing film displaced Make adjustments Replace the fixing assembly ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS as A Clutches and Solenoids Figure 6 601 6 2 en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Clutches and Solenoids Notation Description CL1 Drives the registration roller CL2 Drives multifeeder pickup CL3 Drives the vertical path roller CL4 Drives the developing cylinder CL5 Drives lower feeding assembly re pick up Solenoid SL1 Drives primary charging roller cleaning SL2 Moves down the pick up roller SL3 Releases the multifeeder holding plate SL4 Drives the re pick up assembly paper deflect ing plate SL5 Drives the delivery assembly paper deflecting plate 6 3 TS FUNCTIONS OF ELECTRICAL PAR B Motors Figure 6 602 6 4 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Motors Notation Description Main motor Scanner motor Laser scanner motor Pick up motor Fixing film motor Set back motor Duplexing unit inlet motor Delivery motor Horizontal registration sensor drive motor 6 5 ARRANGEME
33. Check the value of A B and D Insert 5 If the values are as indicated press DATA SET to highlight and press the OK key 7 56 SERVICE MODE 7 Registering the Multifeeder Paper Width 4 FUNCTION 07 gt AD MF A6R xxx MF A4R xxx MF A4 xxx SIZE xxx x mm C X Co Item Description Reference page Multifeeder paper width basic 1 Place an A6R sheet in the multifeeder and See P 2 15 value registration adjust the side guide to A6R A6 is what you obtain folding A4 into four with its width being 105 mm 2 Check the screen to make sure that the VR output is indicated under AD xxx as soon as the side guide is adjusted to A6R Then press MF A6R to highlight and press the OK key The value will be stored under MF A6R 3 Likewise place and A4R sheet in the multifeeder and adjust the side guide to A4R 4 Check to make sure that the AD value has been indicated then press A4R to highlight and press the OK key The value will be stored under A4R 5 Then place an A4 sheet of paper in the multifeed er and adjust the side guide to A4 6 Check to make sure that the AD value has been indicated then press A4 to highlight and press the OK key The value will be stored under A4 7 Press the Reset key twice to end service mode 8 Turn off and then on the main power switch 7 57 SERVIC
34. DIAPLAY Display Mode Indicates the values controlled by the CPU nature of con trol and version number of the ROM 2 DIAPLAY I O Display Mode Indicates the elements controlled by the CPU or the input output signals to and from options 9 ADJUST Adjustment Mode Indicates items adjusted in service mode and allows changes to settings 4 FUNCTION Function Mode Executes machine operations Indicates items that may be automatically adjusted through execution from the screen 5 OPTION Settings Mode Indicates items that may be changed for machine mainte nance or items that may be changed to suit the needs of the user 6 COUNTER Counter Mode Indicates the numbers of machine operations 7 ACC Options Mode Indicates items for options allowing changes to the set tings 8 FAX Fax Service Mode Indicates items to be set changed or operated for fax func tions from the screen 7 1 SERVICE MODE HE B Using Service Mode 4 Press the key twice The LCD changes to the Service Mode 1 Starting Service Mode Menu screen initial screen 1 Open the front door and insert the handle of the static eliminator cleaning brush into the fixing assembly releasing assembly SERVICE MODE gt CANCEL 1 DISPLAY 2 VO DISPLAY 8 ADJUST 4 FUNCTION 5 OPTION 6 COUNTER 7 ACC 8 FAX C IE EE 5 Press the appropriate item to highlight Separa
35. LIM 100 e 000 SHUT OFF OFF ee IM ANGLE COIN_OPERT DRM_MSG C JU IE Item Function Description COPY LIM Use it to change the upper You may change the upper limit imposed on limit imposed on the copy the copy count between 1 and 100 copies count SHUT_OFF Use it to enable disable You may disable the auto shift function time the sleep function to sleep state IM ANGLE Use it to switch slant Copies made in slant mode may become mode jagged change the setting of this mode from 0 to 1 if such a problem is noted COIN_OPERT Coinvender switching Select 1 to support a coin vender DRM_MSG Use this to switch the 0 Will not indicate the Replace Drum mes Replace Drum message sage on the control panel default in 230V model 1 Will indicate the Replace Drum message default in 120V model 7 71 SERVICE MODE 2 Switching the Baud Rate Drum Resistance Measurements and Thick Paper Mode Item 5 OPTION 2 BAUD RATE ENV_SW AGS NON SPCL PPR SCAN_SEL FAX DOC FEED 0 Function Description BAUD RATE Use it to change the com munication speed of the RS232C interface for ser vicing 19200 baud 9600 baud Be sure to set it to 1 if you have selected a cassette exclusively for envelopes The switch determines whether the machine should recognize an envelope cassette If the paper size dial of the c
36. No indication Remove all paper stack Paper in bin Paper is remaining inside the bin Indicates a mes sage if stapler sorter mode is selected other wise operates normally Turns on the Manual Staple key Indicates a message on the copier s control panel if stapler sorter mode is selected in this condition Remove all paper stack 7 14 The stapler has run out of staples Prohibits sta pling Indicates the Add Staple mes sage Replace the sta ple cartridge 4 Version Indication 1 5th screen 1 DISPLAY 04 IP DXXXX yy Zz DCON XXXX YY ZZ DF DXXXX yy Zz SORT XXXX yy zz PANEL DXXXX yy Zz LANG XXXX YY ZZ POWER_CPU xxxx yy zz SERVICE MODE Guide to Version Numbers xxxx type of software yy version number zz R amp D control number 44 gt gt JL Item Description Indicates the version number of the ROM DIMM on the image processor PCB Indicates the version number of the EPROM IC103 IC 104 on the DC controller PCB Indicates the version number of the ROM on the feeder ADF RDF controller Indicates the version number of the ROM on the sorter controller PCB Indicates the version number of the ROM on the CPU PCB of the control panel Indicates a specific language COMMON JAPANESE ENGLISH FRENCH GERMAN DANISH DUTCH FINNISH ITALIAN NORWEGIAN PORTUGUESE SPANISH SWEDISH
37. SERVICE MODE HE List of Cassette Sizes Configur Cassette Cassette code ation AB Cassette absent 11111 AS 10010 A5R A4 A3 B5 B5R B4 U1 FLSC OFICIO A OFI E OFI B OFI A LGL U2 FOLIO A FLS SPECAL1 SPECAL2 Envelope 1 Inch STMT STMTR LTR A LTR LTRR A LTRR LGL 11 17 U4 G LTR U5 G LTRR U6 G LGL U7 K LGL U8 K LGLR SPECAL1 SPECAL2 Envelope 2 7 20 SERVICE MODE E 2 I O DISPLAY I O display mode Use this mode to indicate the input output states of the input output ports of the CPU You cannot change the indicated values settings Each press on the key brings up the next screen each press on the key on the other hand brings up the previous screen A press on the CANCEL key will bring up the Menu screen 1 Inputs Outputs to and from the Image Processor PCB 1st screen 2 I O DISPLAY 01 IP PAO Xxxxxxxx PBO xxxxxxxx IP PCO xxxxxxxx Guide to the Screen IP PA1 XXXXXXXX IP PB1 IP PC1 en IP PA2 XXXXXXXX IP PB2 XXXXXXXX IP PC2 C JU IE bit 7 bit 0 Address o pu Indication PAO input PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal Not used Not used OI OONN CORE IP conn
38. TROUBLESHOOTING FEEDING FAULTS CHAPTER 5 TROUBLESHOOTING FEEDING FAULTS A Copy Paper Jams The machine allows checking the location and the type of jam occurring inside it Service mode screen DISPLAY 1 2nd screen Jam type Sensor 4 digit number in 4th block from right of screen high order 2 digits type delay stationary residual low order 2 digits sensor High order 2 digits Low order 2 digits sensor 01 delay 01 pre registration sensor PS5 02 stationary 02 vertical path sensor copier PS8 10 residual at power on 03 vertical path sensor pedestal Q1603 32 fixing assembly paper sensor PS7 33 delivery sensor PS13 34 delivery tray 2 paper sensor multi 3 PS17 35 delivery tray 3 paper sensor multi 3 PS18 61 multi tray 3 inlet sensor PS19 62 lower feeding assembly inlet paper sensor PS12 63 re pick up sensor PS11 11 door open 01 front door 02 right door 03 pedestal right door Ex 0101 pre registration delay jam 0233 delivery stationary jam Jam code Condition Sensor 9009 The registration sensor identifies a jam if the PS5 size of the copy paper being fed and the size set by the cassette dial are different Conditions of Detection A check is made while in two sided copying mode or in fax reception mode no check is made in one sided copying mode or in printer output mode 5 1 TROUBLESHOOTING FEEDING FAULTS
39. Thermistor TH1 TH2 short cir cuit DC controller PCB faulty The main thermistor TH1 detects more than 250 C for 200 ms during copying operation The sub thermistor TH2 detects more than 260 C for 200 ms during copying operation The main thermistor TH1 detects a tem perature in excess of a specific tempera ture by 30 C or more for 200 ms during copying operation The thermistor TH1 TH2 detects an increase in temperature of 40 C or more during standby The main thermistor TH1 detects an increase in temperature of 100 C or more in 1 sec The main thermistor TH1 detects in increase in temperature of 100 C or more in 1 sec The fixing temperature fails to reach a specific value Thermistor TH1 TH2 off con tact poor contact open circuit Fixing heater open circuit cracking Fixing heater drive circuit faulty The main thermistor detected less than 105 C for 200 ms 1 sec after it has detect ed 90 C The main thermistor TH1 detected less than 120 C for 200 ms 1 sec after it has detected 105 C The main thermistor detected less than 120 C for 200 ms after it has detected 105 C The main thermistor TH1 detects less than 135 C for 200 ms 1 sec after it has detected 120 C The main thermistor TH1 detects less than 150 C for 200 ms 1 sec after it has detected 135 C 8 1 SELF DIAGNOSIS HI Main cause The fixing temperature drops abnormally
40. and 31 through 40 Description Nos 1 through 40 higher the number older Date of occurrence Ex 0801 for August 1 Time of occurrence Ex Time of recovery 1012 for 10 12 Indicates the time the machine entered standby state after jam removal Location 0 copier 1 feeder 2 sorter Jam code high order 2 digits jam type low order 2 digits sensor detecting the jam For details see the next page G Pick up position See the pages that follow HHHHHH Pick up soft counter Paper size Sample Display 01 0821 1430 1435 0 0101 1 06543 000 4 A4 paper jam soft counter reading of the source of paper 1st cassette jam code pre registration sensor delay jam time of recovery 14 35 time of occurrence 14 30 date of occurrence August 21 No 7 5 SERVICE MODE HI Ajam code is a 4 digit code the high order 2 digits indicating the type of jam and the low order 2 dig its the sensor which detected the jam Set the table below for level 1 classification of the jam codes Jam code FF High order 2 digits Low order 2 digits delay pre registration sensor PS5 stationary vertical path sensor PS8 residual at power on vertical path sensor pedestal Q1603 fixing delivery sensor PS7 delivery sensor PS13 delivery tray 2 paper sensor multi tray 3 PS17
41. assembly 4 17 TROUBLESHOOTING MALFUNCTIONS HI 29 The lifter fails to move up Cause Checks Yes No Action Cassette Slide out the cassette Does the holding plate move smooth ly when lifted by hand NO Check the inside of the cas sette for foreign matter Lifter position sensor Is the lifter position sensor nor mal Replace the lifter position sen sor Lifter drive assembly Pick up assem bly Is the lifter drive assembly nor mal Pick up fails multifeeder Cause Checks Correct it Yes No Replace the pick up assembly Action Multifeeder pick up clutch CL2 Select multifeeder pick up and press the Copy Start key Does the pick up roller of the multi feeder rotate NO Check the wiring if normal replace CL2 Paper guide plate cam Select multifeeder pick up and press the Copy Start key Does the paper guide plate spring up Check the position of the paper guide plate cam and the separation pad as necessary make adjustments or replace it Multifeeder holding plate releasing sole noid SL3 DC controller PCB 4 18 Connect the tester probes to the connector J114 B12 and the connector J14 B13 on the DC controller PCB Does the voltage change from 0 V to about 24 V when the Copy Start key is pressed Check the wiring if normal replace SL
42. correction board conversion correction Video processing Video Video processing processing FAX Board Trial Shot Printer Board Test Printing 600 300 dpi Printer Board Font List 400 dpi or CIST disabled sn E Image processor PCB CORE IP Board FAX Board Analog Image processor CORE IP Board FAX FAX Board Analog Image processor PCB CORE I FAX Board processor Mother processor PCB PCB board PCB Image Rotation Ima Rotation Rotation gt ge E gt processor piocesainal coding Memory CCD processor coding CCD processor Binary coding decodin P 9 4 processing PCB Ratio ecoaing PCB Ratio decoding PCB Ratio decoding resolution resolution resolution conversioni conversion conversion Protocol Controller Protocol Controller Protocol Controller Laser driver Printer Board Printer Board i PLA DA Density D A Density Dix Density Printer Board conversion correction conversion correction
43. drive signal 1 Stapler motor drive signal 2 Stapler swing motor drive signal Sorter feeding motor drive signal Tray feeding motor drive singal Not used Add Staple LED ON OFF Stapler LED ON OFF Not used Paper on tray indicator PCB internal signal Not used PCB internal signal Bin feeding motor clock PI2 Not used Tray feeding motor clock 6 Lead cam HP sensor PI1 PCB internal signal Bin unit delivery sensor P3 Not used Not used Not used Not used Not used Not used Not used Not used Stapler cover open closed detection MS5 Joint sensor MS3 Stapler safety sensor MS6 Stapler position sensor P14 Tray position detection P112 Guide bar HP sensor PI5 Stapler HP sensor MS4 Stapling HP sensor MS7 Pulse signal Pulse signal Pulse signal Pulse signal 1 motor ON 1 motor CW 1 motor CCW 1 motor ON Pulse signal Pulse singal 0 ON 0 ON 1 ON Pulse input Pulse input 1 Lead cam horizontal 0 paper detected Open Released Safety switch ON At HP At HP At HP At HP At HP 7 37 SERVICE MODE a Multi Output Tray 1 2 Input Output Ports 2 2 Address i Indication ST EX C Not used PCB internal signal PCB internal signal Tray B paper detection P111 Paper present Tray A paper detection P110 1 Paper present Tray B discharge paper detection Paper detected 9 Tray A delivery detecti
44. mode 0 J102 B7 transfer output mode 1 J102 B6 primary charging roller J102 B5 ON OFF static eliminator ON OFF J102 B4 laser scanner motor reference J112 8 clock developing AC drive J102 B3 scanner motor reference clock PCB internal signal scanner motor CW CCW rota tion PCB internal signal composite power supply PCB J102 A6 communication signal zero cross J102 A8 developing DC drive J102 B2 Not used Not used composite power supply PCB J102 A7 communication signal Not used upper cassette paper detection J122 1 upper cassette paper detection J122 2 1 lower cassette paper detection J122 3 0 lower cassette paper detection J122 4 1 Not used Not used 7 28 SERVICE MODE 4 Gate Array Input Output of the DC Controller PCB 2 VO DISPLAY 04 ICSW2 XXXXXXXXXXXXXXXX ICSWA XXXXXXXXXXXXXXXX ICSW5 XXXXXXXXXXXXXXXX ICSW15 XXXXXXXXXXXXXXXX ICSW25 XXXXXXXXXXXXXXXX C OK 7 29 SERVICE MODE 5 Input Output Port 1 of the Feeder 2 VO DISPLAY 05 DFP4 XXXXXXXX DFP5 XXXxxxxxx DFP6 XXxxxxxxx DFP7 XXXXxxxxx DFP8 XXxxxxxxx DFP9 xxxxxxxx DFPA XXXXXxxx DFPB XXxxxxxxx DFPO DXXXXXXXX DFExPA XXXXxxxx DFExPB XXxxxxxx DFExPO Xxxxxxxx IK Guide to the Screen 2 VO DISPLAY 05 DFP4 XXXXXXXX XXXXXXXX XXXXXXXX Ports for RDF gt XXXXXXXX Indicated when XXXXXXXX an RDF is I XXXXXXXX connected
45. move the tray position so that it is 2 5 1 5 mm in Direct 2 2 3 Left Right Registration rear front on the 2nd Side of Two Sided Overlay Copies Check to make sure that the printing position of the image on the second side of a two sided overlay copy is 2 5 2 0 mm Increase the value of RSID SENSHP An increase by 23 causes a change of 1 mm Decrease the value of RSID SENSHP A decrease by 23 causes a change of 1 mm 2 5mm 2 0 gt lt Figure 2 206 If the value is not as specified select RSID SENSHP 4th screen in service mode 3 ADJUST and make adjustments An increase by 23 of RSID SENSHP will shift the image print position to the rear by 1 mm A decrease by 23 on the other hand will shift the position to the front by 1 mm eee STANDARDS AND ADJUSTMENTS 4 Routing the Scanner Drive Cable Route the cable in the order indicated through and adjust the mirror position as shown on the following page Loosen the set screws to free the pulley rotation Set screws Put the steel ball into the hole of the pulley Wind the cable toward the inside 3 5 times and then toward the outside 6 times then fit the pulley clip Pulley clip Set the mirror positioning tool Steel ball 32 1mm Figure 2 207 2 3 STANDARDS AND ADJUSTMENTS Ew 5 Adjus
46. right orientation Be sure to place it in correct orientation Turn off the power switch in the middle of copying and open the front door Is the toner image on the surface of the photosensitive drum before transfer more or less normal Go to step 9 Transfer fault Transfer roller unit High voltage cord Transfer roller unit Is the transfer roller unit installed securely Install the transfer unit secure ly High voltage transformer DC con troller PCB Does leakage occur in the transfer roller unit Is there electrical continuity from the composite power sup ply PCB to the transfer roller unit Check the transfer roller unit 1 Replace the high voltage cord 2 Check the transfer roller unit Check the composite power supply PCB and the DC con troller PCB Transfer guide Copy paper Set the feeding assembly in the feeding position and measure the resistance between the transfer guide and the mount metal portion of the transfer charging assembly rail with a tester Is the resistance 0 Check to see if the transfer guide should be in contact with a metal portion e g side plate of the feeding assembly Try fresh copy paper or paper of a different quality Development fault Is the developing assembly in firm contact with the photosen sitive drum Check if the developing rolls are in firm con tact with the photosensitive d
47. settings if you made changes in the field Further you must enter the settings recorded on the label whenever you have cleared the RAM If you replaced the image processor PCB or the composite power supply PCB be sure to enter the set tings recorded on the respective label You need not do so when you have replaced only the ROM MF A6R DVLP DC OFST FILM LANK MF A4R H ADJ ABC_TBL MF A4 V ADJ STRD ADJ PRI DC IMG REGIST PPR PRI DC on IMG RSIDE SENSHP W PLT DVLP DC IMG PVE OFST TRNS_1 DVLP DC on IMG IC DENS TRNS_2TS TRNS IMG CST LOOP TRNS_2OL TRNS on IMG MF LOOP PRI AC IMG DENS ADJ PRI AC on IMG ADJ S AGS GAIN LASER OFF AGS OFST PWN 600 MIN PRI DC OFST PWM 600 MAX PRI AC OFST1 PWM 200 MIN PRI AC OFST2 PWM 200 MAX TRNS OFST AE SLOP FL OFST FIXER_RESIST Figure 7 703 Service Label attached behind the front door P6L APVC GAIN P6H APVC OFST P2L PDC OFST P2H PAC OFST1 Figure 7 704 Service Label attached to the image proces sor PCB PAC OFST2 ATVC OFST FL OFST DDC OFST Figure 7 705 Service Label attached to the composite power supply PCB SERVICE MODE D 1 DISPALY control display mode Use this mode to display the settings controlled by the CPU or the natur
48. up the previous screen Press the item to adjust operate to that it becomes highlighted Use the keypad to enter numerals Apress on the key will permanently store the value After operation turn off and then on the rear main power switch 1 Adjusting the Original Stop Position for the RDF This screen is effective only when an RDF is installed 7 ACC 01 DOC_ST_T P_INTRVL_T DOC_ST_B P_INTRVL_B Ct Co Item Function Description DOC_ST_T Use it to adjust the origi nal stop position for upper separation pick up P_INTRVL_T Use it to adjust the origi nal stop position for upper separation pick up in 2 on 1 mode DOC_ST_B Use it to adjust the origi nal stop position for lower separation pick up P_INTRVL_B Use it to adjust the origi nal stop position for lower separation pick up in 2 on 1 mode 7 81 SERVICE MODE HE When this mode is selected the sheets set on the RF s original tray will be picked up and stopped on the copyboard glass Check how they are stopped and make adjustments so that they are stopped cor rectly B Making Adjustments 1 Start service mode 2 Select the appropriate item Press the appropriate item to highlight 3 Place copy paper on the RF s original tray as follows n the case of DOC ST T or DOC ST B place one A3 sheet of copy paper n the case of P_INTRVL_T or INTRVL place two A4 sheets of copy paper
49. 00PWM density auto correction 1 Replace the image processor PCB 2 Execute RAM clear in ser vice mode 4 3 Start service mode 3 and enter the value recorded on the service label 4 Enter the values recorded on the image processor PCB under the appropriate item 3 as follows 600PWM MIN 600PWM MAX 200PWM MIN 200PWM MAX 5 Execute shading auto correc tion in service mode 4 6 Execute PD density auto cor rection 200PWM density auto correction and 600PWM density auto cor rection in service mode 7 Enter settings values under OPTION 5 and in user mode w STANDARDS AND ADJUSTMENTS Part Service mode Steps Composite power supply PCB Laser scanner unit Laser unit 3 Enter the values recorded on the label 4 Shading auto correction 4 PD density auto correc tion 4 200PWM density auto correction 4 600PWM density auto correction 1 Enter the values recorded on the label attached to the composite power supply PCB under the appropriate items on the 3rd page in ser vice mode 3 2 Execute shading auto cor rection in service mode 4 3 Execute PD density auto correction 4 200PWM density auto correction and 600PWM density auto cor rection CCD unit Analog processor PCB 4 Shading auto correction 1 Execute shading auto cor rection in service mode 4
50. 1 PS12 Are the operation of the lower feeding assembly inlet sensor PS12 and the re pick up sen sor PS11 normal Replace PS11 PS12 Set back roller drive assembly Is the set back roller rotating Check the set back roller drive assembly Re pick up drive assembly SL4 CL5 Guide plate Is the flapper SL4 operating when re pick up occurs for mul tiple copies Further is the re pick up roller 5 rotating Check the re pick up drive assembly Check each guide for foreign matter and deformation 5 5 TROUBLESHOOTING FEEDING FAULTS xe B Feeding Faults 1 Double Feeding Cause Checks Yes No Action Separation roller Torque limiter Wrinkles Cause Is the separation roller deformed or worn Checks YES Replace the separation roller NO Yes No Check the torque limiter Action Pick up assem bly Turn off the power while copy paper is moving through the feeding assembly Is the copy paper wrinkled at this time Further is it moving askew YES Check the pick up assembly Check the registration roller Copy paper Try fresh copy paper Is the problem corrected The copy paper may be moist advise the user on the correct method of storing paper Is the paper of a type recom mended by Canon Advise the user to use recom mended paper Inlet guide
51. 3 Replace the DC controller PCB HE TROUBLESHOOTING MALFUNCTIONS 31 The registration roller fails to rotate Cause Checks Yes No Action Registration roller Press the Copy Start key Does the registration roller rotate immediately after the scanner moves forward YES Check the registration roller drive assembly DC controller PCB Registration clutch CL1 Does the voltage between the connector J114 B10 and the connector J114 B1 on the DC controller PCB change from 0 V to 24 V immediately after the scanner starts to move forward Replace the DC controller PCB 32 The scanner fails to move forward in reverse Cause Checks Yes No Check the wiring from the DC controller PCB if normal replace CL1 Action Scanner drive cable Is the scanner drive cable rout ed correctly NO Re route it Scanner path foreign matter Is the scanner rail free of dirt and does the scanner move smoothly NO Check the surface of the scan ner rail for foreign matter or an object that comes into contact with the scanner Connector poor contact Check the wiring connection from the connector J116 on the DC controller PCB to the scan ner motor Is it normal Correct it Scanner motor M2 DC controller PCB Replace the scanner motor Is the problem corrected E
52. 3 Horizontal registration motor iyi i m POOR eg Toner Sensor Fixing mein temperature 5 sere DE BPE SM siz s Set back motor z bd 2 amp 5 aes sjelz sis 511 c Fixing assembly Lower feed inlet fan Re pick up sensor Fixing film sensor delivery sensor 2 ls SL4 gt an u 8 la 3 Re pick up paper Pky 1 2 gt x a zi 2 2 e e 8 z al 215 deflecting solenoid x e ps 218 E 386 28 as A ul p 5 1000 bad 3 LLI 50 CUTII LIT 8 vi J36 9697 SN 55 PS10 Ps3 ea Vertical path 75 Waste toner APC Developing m sensor POWER paper sensor S e ht doo SMultifeeder paper StI Fua SU M clutch 8 Ty goa width detecting Primary charging opyb a Multifeeder assembly paper sensor Pre registration Paper sensor roller cleaning solenoid aser cooling fan open closed sensor 3 4 ircuit Diagram General C m 3 gt ar C ae hk i e mesa pq i93NNOO AD 5 d 1NhOO ADD 3 Pilot lamp indicator NOLIN R4 pm LCD FPC14P a i Image processor PCB ejazis eo alalajala Control panel CPU PCB 9 18V1S v 1uvis SETETE VL SYIHLO 9H SHIHLO pt 91 SYIHLO VL XVs kom va n OL XY3 VL 9H Ad09 OL Ad05 m ae J908 zoer J909 Function switch 0 LCD intensity R 9 LCD back light p
53. 50 1 2 yellow line about Ok J50 3 4 white lien about 0 YES Replace the fixing assembly Fixing heater driver DC controller PCB Replace the fixing heater dri ver Is the problem corrected Replace the DC controller 3 E002 E003 Fixing temperature is abnormally high Checks Yes No Action Clear the error using ERROR in service mode 4 Is any of the following correct after the machine has booted The fixing heater does not turn ON E000 is indicated YES See the appropriate section Thermistor short circuit Is the wiring from the connector J108 on the DC controller PCB to the thermistor normal Arrange the wiring correctly Fixing heater driver DC controller PCB 4 2 Replace the DC controller PCB Is the problem corrected End Replace the fixing heater dri ver Gw TROUBLESHOOTING MALFUNCTIONS HH 4 E007 The fixing film has become displaced Cause Checks Yes No Action Film displace ment Turn OFF ON the main power is the problem corrected Turning OFF ON the main power automatically starts film recovery mode If the film fails to return to the correct position E007 01 will be indicated and no recovery can be made by turning the main power supply OFF ON YES NO 4 3 TROUBLESHOOTING MALFUNCTIONS HI
54. 59 SERVICE MODE 10 Test Print 4 FUNCTION 10 gt L TEST1 OK L TEST2 OK L TEST3 OK L TEST4 OK OK OK L TEST5 L TEST6 L TEST7 EP C GK Item Description Reference page Test print output Select the desired test print press the item to high light then press the OK key L TEST1 solid black test print L TEST2 halftone test print L TEST3 blank test print L TEST4 17 gradation test print L TEST5 grid test print L TEST6 vertical line test print L TEST7 horizontal line test print 7 60 eee SERVICE MODE NEM L TEST1 solid black test print 8 L TEST3 blank test print Use it to check white spots or white lines Use it to check for fogging f white spots are noted suspect dirt on the f fogging is noted suspect a fault in the transfer charging roller or the separation photosensitive drum developing system or static eliminator laser system f white lines are noted suspect shading faults because of dirt on the standard white plate 17 gradation test print L TEST2 halftone test print Use it to check gradation and check for fog ging white lines and uneven left right density Use it to check for transfer faults black f gradation is not good suspect a fault in lines white lines or uneven intervals the laser system f transfer faults are noted vertical white f fogging is not
55. 8 6 OUTPUT TRAY 1 8 7 C SELF DIAGNOSIS OF THE ADF F1 8 6 F SELF DIAGNOSIS OF THE MULTI D SELF DIAGNOSIS OF THE OUTPUT 12 8 8 PEDESTAL 8 7 APPENDIX A GENERAL TIMING A 1 D SPECIFICATIONS e A 7 B SIGNALS AND ABBREVIATIONS A 2 E LIST OF SPECIAL TOOLS A 13 C GENERAL CIRCUIT DIAGRAM A 3 F SOLVENTS OILS A 14 Clean the primary charging roller transfer charging roller To clean the primary transfer charging roller execute roller cleaning under adjustment cleaning in user mode Clean the separation static eliminatir Is the setting of EXPOSURE RECALIB under adjustment cleaning in user mode medium value Set it a medium value Is the setting of service mode 3 the value recorded in the label attached to the front Enter the value recorded in the label Make two to three copies in copy density at 5 Are there vertical lines white black Clean the separation static eliminator dust proofing glass mirrors No 1 No 2 No 3 standrd white plate and lens Are the copies free of vertical lines Is the white background foggy CHAPTER 1MAINTENANCE AND INSPECTION 1
56. 8 9 APPENDIX A GENERAL TIMING CHART copier mode A4 cassette 1 3 copies General Timing Chart Main power switch turned start key turned ON Control panel power OFF copier mode A4 cassette 1 3 copies z Y Z INTRI STBY INTR2 SCFW SCFW scRv scFW scRv LSTR STBY SLEEP 2 Main motor M1 guy AGC E f Fixing heater H4 Scanner motor M2 n uama 02 20 Scanner home position sensor PS1 rw wh k uH a EEE Scanning lamp FL1 ss ET Shading mesurement i i Cassette Pick up solenoid E Pick up motor M4 O Vertical path roller clutch mamaman m umaman uram Vertical path roll paper sensor Pre registration paper sensor dr mm u Registration clutch ee ee Primary charging roller bias DC component Primary charging roll bias AC component Transfer charging roller Separation static eliminator M OLI hb RP WP LI KM ARP NW RP OR NAN WR NW OAR KL OL a Transfer guide bias Fixing assembly bias EE u Laser scanner motor S
57. A Image Basic Adjustment Procedure Service mode 3 Set DENS ADJ to 5 Service mode 4 Excute shading auto correction Make two solid black copies with the copyboard cover or the feeder open Service mode 4 Excute the following three items auto density correction PD 200PWM 60PWM Is the white background free of fogging Service Mode 3 Set DENS ADu to 5 or lower 1 1 B Points to Note for Scheduled Servicing Part Tools solvents Copyboard glass Alcohol Original saize sensor Blower brush Scanning lamp Lint free paper Reflecting plate Blower brush No 1 through No 3 mirrors Work remarks Cleaning Cleaning Dry wiping As necessary dry wiping with lint free paper Fixing assembly delivery assembly Part Tools solvent Separation claw Solvent Inlet guide Solvent Work remarks Cleaning Cleaning Optical assembly Part Tools solvent Work remarks Lens Blower brush Cleaning Dust proofing glass Blower brush Cleaning Developing assembly Part Tools solvent Work remarks Developing roll Alcohol Cleaning Transfer feeding assembly Part Tools solvent Work remarks Transfer guide Moist cloth Cleaning Static eliminator Special brush Cleaning Feeding assembly Moist cloth Cleaning base feeding belt Make sure no droplet of water remains Do not turn on the power u
58. AX Motherboard CORE IP Board Protocol Controller PCB System Motherboard and Print Board then execute test printing If the problem is not corrected perform the following If the machine is equipped with the FAX Board try replacing the Protocol Controller PCB and the Printer Board f the machine is not equipped with the FAX Board try replacing the FAX Motherboard CORE IP Board Protocol Controller PCB System Mother Board and the Printer Board Suspect a fault on the host i e mode with a different page description language PDL may have been used Check the printer settings of the option used If the settings are wrong explain the situation to the user and ask for correction Replace the NIB 2 25 10 Isolating the PCBs FAX image fault 2 26 A printer image is faulty Make a copy using the copier only YES Is the copy image normal NO Execute test printing in service mode Is the test print image normal Suspect a fault in the reading system mirror lens CCD analog processor PCB etc Make a correction according to the appropriate instructions in the Service Manual Suspect a fault in the image formation system including the image processor PCB Make a correction according to the appropriate instructions in the service manual Execute FAX test printing e trial shot VIDEO TEST YES Is the test pri
59. B to the horizontal registration motor normal Replace the horizontal registra tion motor Is the problem cor rected Replace the sensor Connect the connector correct ly End Replace the DC controller PCB HE TROUBLESHOOTING MALFUNCTIONS 11 E064 The high voltage output is faulty Cause Checks Yes No Action Wire biting Turn OFF ON the power switch and set the copy count to 1 Is E064 indicated after copying YES Check the harness of the DC controller PCB and the com posite power supply PCB Composite power supply PCB Set the count to 1 once again and make a copy Is E064 indicated after copying Perform steps 3 through 6 then replace the composite power supply PCB Transfer charg ing assembly trans fer charging roller Is the contact of the transfer charging assembly transfer charging roller faulty Replace the transfer charging assembly transfer charging roller Primary charg ing roller Remove the drum unit and check the primary charging roller Is the primary charging roller or the contact faulty Replace the drum unit Developing assembly Remove the developing assem bly and check the developing cylinder and the contact Is the developing cylinder or the con tact faulty Replace the developing cylin der or the developing assem bly High voltage cable
60. B self 1 Press IP CHK to highlight check 2 Press the OK key to start a check on the image processor PCB OK or NG will be indicated if NG replace the image processor PCB 7 63 SERVICE MODE 12 Shading Adjustment for R amp D factory 4 FUNCTION 12 R amp D SHADING START OK START JUMP Now XXXXXXXXXXXXX WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GD2 xxH CDA3 xxH CDA4 xxH ADDAS5 xxH D ODD xxH D EVN xxH KAIEN AIH Item Description Reference page R amp D factory shading auto cor 1 Place the standard white paper on the copyboard rection glass 2 Press AUTO SHADING START on the screen to highlight then press the OK key 3 When a beep is sounded press the OK key LAMP LEVEL will be indicated on the screen while the lamp is being adjusted If no beep is heard turn VR1 on the DC controller PCB so that a beep will be heard then press the OK key 4 End the operation when END appears on the screen Guide to the Screen 4 FUNCTION 12 CANCEL amp D SHADING START OK START Press to execute Now XXXXXXXXXXXXX Status indication WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GDA2 xxH CDAS3 xxH CDA4 xxH ADDA5 xxH D ODD xxH D EVN xxH for each item C X X OK Results of measurement 7 64 SERVICE MODE 13 Downloading Mode updating FLASH ROM 4 FUNCTION 13 IP DOWN LOAD PRCON DOW
61. CTIONS 1 E000 Fixing temperature fails to rise Cause Checks Yes No Action Thermistor relay connector J50 discon nected Clear the error using ERROR in service mode 4 Is the connection of the con nector J50 4 wire harness under the counter mount good NO Re connect it Thermistor open circuit Let the fixing assembly to cool then disconnect J50 and mea sure the resistance of the ther mistor Is the reading as fol lows J50 1 2 yellow line about 1388 k J50 3 4 white line about 3636 k Replace the fixing assembly Heater open circuit Thermistor poor contact Disconnect the connector J4 near the door switch assem bly and check electrical conti nuity Is there electrical continu ity Replace the fixing assembly Is the problem corrected Replace the fixing assembly Fixing heater driver DC controller PCB Replace the fixing heater dri ver Is the problem corrected End Replace the DC controller DC PCB 4 1 TROUBLESHOOTING MALFUNCTIONS KEw 6 n 2 E001 Fixing temperature is abnormally high Cause Checks Yes No Action Thermistor short circuit Clear the error using ERROR in service mode 4 Let the fixing assembly to cool then disconnect J50 and mea sure the resistance of the ther mistor Is the reading as fol lows J
62. D PROCEDURE 1 1 SERVICING ciiin h pats 1 2 CHAPTER 2 STANDARDS AND ADJUSTMENTS A MECHANICAL eee 2 1 B ELECTRICAL 2 10 CHAPTER 3 TROUBLESHOOTING IMAGE PROBLEMS A INITIAL CHECKS sees 3 1 C TROUBLESHOOTING IMAGE B SAMPLE IMAGE FAULTS 3 4 eai 3 5 CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS 1 E000 Fixing temperature fails to rise 4 1 17 E220 The scanning lamp turns ON 2 E001 Fixing temperature is abnormally Wrong 4 11 4 2 18 E240 error in communication between 3 E002 E003 Fixing temperature is DC controller PCB and image abnormally high 4 2 processor 4 12 4 E007 The fixing film has become 19 E243 error in communication between displaced se 4 3 control panel and image processor 5 E007 01 The fixing film fails to return 4 4 POB Jerona E 4 12 6 E010 The main motor fails to lock 4 5 20 E261 zero cross error 4 13 7 E030 The total copy counter fails to 21 E310 The scanning lamp is poorly Op6rale EE 4 5 adjusted iiec EE 4 13 8 031 The fax counter fails to operate 4 5 22 E710 E711 E712 E713 E716 IPC 9 E032 The copy data controller counter communication 4 14 IS faulty eee
63. E MODE 8 Checking the Control Panel Indications 4 FUNCTION 08 gt LCD CHK SCANLANP OK START DISP LED OK START OK START MOAI Description Reference page LCD CHK checking for missing dots on LCD 1 Press LCD CHK to highlight 2 Press the OK key The entire face of the LCD reverses white video keys and notations disappear 3 Press the area where the OK key was shown The entire face of the LCD reverses black video 4 Press the area where the OK key was shown The LCD will return to normal state SCAN LAMP checking activation of scan ning lamp 1 Press SCAN LAM to highlight 2 Press the OK key The scanning lamp will turn on 3 Press the OK key The scanning lamp will turn off DISP LED checking control panel LEDs 7 58 1 Press DISP ED to highlight 2 Press the OK key The LEDs on the control panel will turn on 3 Press the OK key The LEDs on the control panel will turn off SERVICE MODE 9 Laser 4 FUNCTION 09 gt LSR MRR OK START OFF Ok WMD AIH Description Reference page LSR MRR 1 Press LSR MMRH to highlight then press the OK See p 2 15 checking laser scanner key motor operation The laser scanner motor will start to rotate OFF 2 Press OFF to highlight then press the OK key Stopping operation to stop the laser scanner motor 7
64. FFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV CANON INC Printed in Japan REVISION 0 JULY 1996 26313 30809 30 2 Shimomaruko 3 chome Ohta ku Tokyo 146 Japan Canon This publication is printed on 70 reprocessed paper PRINTED IN JAPAN IMPRIME AU JAPON 0796 3 52 1
65. FST OFST nent offset Service Label attached to the composite power supply PCB 7 42 3 ADJUST 04 H ADJ 1 XXXXX lt V ADJ XXXXX lt RESIST XXXXX lt RSIDE SENSHP xxxxx lt PVE OFST XXXXX lt Ct TIK 4 Registration Related Items Description Settings SERVICE MODE Remarks Use it to fine adjust the CCD reading start position main scanning direction book mode Index rear Copyboard glass A higher setting shifts the read start position to the right unit 1mm approx at 23 Use it to adjust the image reading start posi tion sub scanning direction Index leading edge y Copyboard glass A higher setting delays the registration ON timing unit 1mm approx at 23 RESIST Use it to adjust the registration clutch ON timing leading edge margin Standard 2 5 1 0 mm 7 43 HA SERVICE MODE HE Item Description Settings Remarks RSIDE Use it to make adjustments if images on SENSHP paper picked up from the lower feeding assembly 2nd side of overlay two sided copies are often displaced to the rear or front If the displacement is to the rear 0 65535 decrease the value in units of 23 a sin Within 46 23x2 gle unit being equivalent to 1 mm of the factory If the displacement is to the front adjustment value increase the value in units of 23 a single unit being equivalent to 1 mm
66. G MALFUNCTIONS made 16 E202 Scanner home position is not detected no code indication is Checks Yes No Action Is the scanner at home position when E202 is indicated YES See The scanner fails to move forward in reverse Scanner home position sensor PS1 Is the scanner home position sensor PS1 normal NO Check the wiring from the DC controller PCB to PS1 if nor mal replace PS1 Scanner motor DC controller PCB Replace the scanner motor Is the problem corrected End 17 E220 The scanning lamp turns ON wrongly Checks Yes No Replace the DC controller PCB Action Does the scanning lamp turn ON NO See The scanning lamp fails to turn ON Scanning lamp low intensity Are both ends of the scanning lamp black Replace the scanning lamp The scanner may not be able to move forward because of low intensity DC controller PCB Composite power supply PCB Replace the DC controller PCB Is the problem corrected Replace the DC controller PCB Check the wiring of the DC controller PCB and the com posite power supply PCB if normal replace the composite power supply PCB 4 11 TROUBLESHOOTING MALFUNCTIONS HI processor PCB 18 E240 error in communication between DC controller PCB and image Checks Turn OFF ON the main
67. J502 J510 J503 J501 J504 Figure 6 613 6 21 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS s 6 Protocol Controller PCB LED2 LEDO e LED3 LED1 J506 Figure 6 614 a Guide to the LED Indications on the c Downloading Protocol Controller PCB At time of downloading the LEDs repeat Power On flashing starting with the rightmost LED If all LEDs are ON the power supply has started normally About 10 Sec Later If the 1st LEDO from the right is OFF a memory check on the protocol controller PCB has ended About 10 Sec Later If the 2nd LED1 from the right is OFF com munication has started with the image proces sor PCB About 10 Sec Later If the 3rd LED2 is OFF communication has started with the Printer Board an internal check signal of the Printer Board has been received About 10 Sec Later If the 4th LED3 is OFF communication has started with the NIB an internal check signal of the NIB has been received remains ON if the NIB is not installed b Results of Self Diagnosis Indicated by LEDs LEDO LED1 LED2 and LED3 flash alternate ly in specific combinations 6 22 SERVICE MODE CHAPTER 7 SERVICE MODE A Outline The machine s service mode is grouped into the following Description 1
68. JUST 07 PPR XXxxx lt XXXXX W PLT XXXXX XXXXX L bb C JL JCOK Description Settings Remarks Indicates the standard white paper data 0 65535 If you have initial density data of the standard white paper ized the RAM or replaced the Indicates the standard white plate data image processor density data of the standard white plate PCB be sure to 0 65535 enter the value recorded on the service label 7 49 SERVICE MODE 8 Adjusting the Transfer Charging Roller Bias 3 ADJUST 08 TRNS 1 XXXXX lt XXXXX TRNS 2TS XXXXX lt XXXXX TRNS 20L xxxxx lt XXXXX C JU IE Item Description Settings Remarks TRNS 1 Use it to adjust the transfer roller bias occur Make adjustments ring when copying on the 1st side if image faults occur because of TRNS 2TS Use it to adjust the transfer roller bias occur an incorrect trans ring when copying on the 2nd side of a two fer roller bias sided copy Guide f fogging TRNS 20L Use it to adjust the transfer roller bias occur caused by stray ring when copying on the 2nd side of an toner occurs in overlay copy the trailing edge margin increase the value If the density grows higher darker at intervals of about 94 mm when copying an entirely halftone image decrease the value Note Settings are between 0 and 10 however a value higher than 10 may be entered An
69. Main cause Description The CPU Q7 on the tray con troller PCB or the communication IC Q11 is not operating normally An error has occurred in the communication between the multi tray and the copier The bin unit feeding motor M2 fails to rotate The bin unit feeding motor clock sensor P12 has a fault The bin unit feeding motor clock sensor PI2 does not receive clock signals 4 0 sec or more after the bin unit feeding motor drive signal BFMD has been generated The tray feeding motor M6 fails to rotate The tray feeding motor clock sensor PI6 has a fault The tray feeding motor clock sensor PI6 does not receive clock signals for 1 sec or more after the tray feeding motor drive signal TFMD has been generated The tray shift motor M7 fails to rotate The tray position sensor P112 has a fault The tray position sensor P112 does not turn on or off 2 5 sec or more after the tray shift motor drive signal has been generated 8 8 The guide bar drive motor M4 fails to rotate The guide bar home position sensor PI5 does not turn on or off 2 5 sec or more after the guide bar swing motor drive signal has been generated SELF DIAGNOSIS Main cause Description The stapler motor M3 does not The state of the stapling home position rotate sensor MS7 does not change within 1 The stapler swing motor M5 sec after the stapler motor M3 CW rota doe not ro
70. Main power switch ko gt gt eol IEP ov b o exl 9 gt lale b GSA lt gt 45v e 3 E ET4 Holt la SG aly amp l 3 QA oppg ub a l 3 OVD J113 812 ate wa TYTY REMOTE 1443 8344 988 ii gagau KN CO 8 I F10 6 wooo FIL 8 em 534 88888 9178 J J24 1 H LASER IP FAXM NCU J24 2 u O x 24 3 9 7 5 a ey J24 4 af n 11 B 9 ar aye of rw N alg S a gt gt gt gt gt gt anaana Switcl gt 7 ere i el 5 3 212 amp J86 J8 z ii oojooloo gt SS zzzzz a J96 o 97999009 J180 visivis2 750 pl of 0 z zy SO 0J7 FUSER BIAS ELEC e og ee S 600060000 0 SOTER 5 5 8 55 85 Lin m BUR R E BBE ala e oir ejol9 ia mri l Je 3 3 zl 5 gt O gt I RIS 5 ic gt gt gt gt gt 12 gt 2 2 2 l 2 2 2 2215 Is EEE 818 8 5 85 45 Of Ol 2 S z x EIS i 19 21 2 2 3 ofS 8 5 8 8 sla Sia EN A y ttt ti tf OW wt wt 5588805505 z J120 CHECK 4121 CHECK J102 5555555555 97717 J105 z OF DC controller PCB J112 J106 8 g 00000000000 o 4 d w Aa o ats POWER 3 SUPPLY aj
71. N LOAD JUMP X OK Item Description Reference page FLASH ROM updating mode 1 Perform the following in advance Turn off the main power switch IP DOWNLOAD 2 Open the front door and remove the connec for updating FALSH ROM on tor cover for servicing then connect the copi image processor PCB er to a PC with an RS232C cable 3 Insert the handle of the static eliminator clean PRCON DOWNLOAD ing brush into the fixing assembly releasing for updating FLASH ROM on assembly then turn on the main power protocol controller switch 4 Press the service switch and press the key twice select FUCNTION 4 so that the Downloading screen will appear 2 Press IP DOWNLOAD or PRCON DOWNLOAD to highlight then press the OK key The power will automatically be removed and then will be supplied The following screen will appear to indicate that the system is ready to accept downloading IP FDIMM download program 3 Operate according to the instructions on the PC Screen 7 65 SERVICE MODE 14 Adjusting the Fixing Film 4 FUNCTION 14 gt T ROLLER FIX OK START FILM_INIT_ROTATE OK START FILM_COMEBACK OK START ENE ON TIME xxxx msec ONE CYCLE xxxx msec FILM_SPEED xxxx LOCATION from Top xxxx mm 10 LEVEL 123 45 k k x x 6 7 8 C JU T ROLLER FIX fixing tension roller fix
72. NT AND FUNCTIONS OF ELECTRICAL PARTS a C Fans Figure 6 603 6 6 ee ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Fans Notation Description FM1 Feeding fan FM2 Delivery fan 1 rear FM3 Delivery fan 2 front FM4 Laser cooling fan FM5 Electrical unit fan FM6 Lower feed inlet fan 6 7 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS a D Sensors Figure 6 604 ee ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Sensors Name Notation Description Photointerrupter PS1 Detects scanner home position PS2 Detects displacement of the fixing film PS3 Detects the open closed state of the copy board cover PS4 Detects paper in the multifeeder PS5 Detects paper in front of the registration assembly PS7 Detects delivery from the fixing assembly PS8 Detects paper in front of the Vertical path assembly PS9 Detects the open closed state of the right door PS10 Detects waste toner PS11 Detect paper in of the re pick up assembly PS12 Detects paper at the duplexing unit inlet PS13 Detects delivery of paper PS14 Detects paper at the horizontal registration assembly Piezoelectric oscil TS1 Detects the level of remaining toner lator element Reflecting type SD1 Original size sensor 1 sensor SD2 Original size sensor 2 SD3 Original size sensor 3 SD4 Original size sensor 4 6 9 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS aw E Swit
73. OP Zla GP20U SERVICE HANDBOOK REVISION 0 Canon JULY 1996 FY8 23AM 000 COPYRIGHT 1996 CANON INC JAPAN IMPRIME AU JAPON IMPORTANT THE INFORMATION CONTAINED HEREIN IS PUBLISHED BY CANON INC JAPAN AND IS FOR REFERENCE USE ONLY SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY COPYRIGHT 1996 CANON INC Printed in Japan Imprim au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC 30 2 Shimomaruko 3 chome Ohta ku Tokyo 146 Japan COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON Eee GU ide To Tables m In this Handbook work procedures are given in the form of tables instead of flow charts used general ly Familiarize yourself by studying the example below EX AC power is absent Cause Fault Check Remedies Power plug Is the power plug connected to Connect the power plug the power outlet Covers Are the front door and delivery Close the door or the cover cover closed properly Power source Is the rated voltage presen
74. PIZ Original length sensor S Fault Sensor Condition Separation delay PH Pl2 Both the original sensor 1 and the registration sen sor PI2 do not turn on within 2 sec after the main motor M1 has turned on Separation Both the original sensor 1 the registration sen sor PI2 do not turn ON 2 sec after the main motor M1 has turned ON 1st original only Different number The last original is detected before feeding the number of originals after of originals identified by the jam recovery mechanism jam removal Original pulled The original sensor 1 is OFF after pick up opera tion other than the last original Original size The original sensor 1 turns OFF for such originals as may be the last original ASR A4 B6R B5 STMTR LTR but the detected original is not the last original Note The number in parentheses under the Code column is in decimal notation 7 10 SERVICE MODE ALARM RDF Re circulating bar S1 Original tray paper sensor 57 Pick up sensor S3 Registration paper sensor 513 Re circulation sensor Type Sensor Conditions RF operation Re circulating lever idle 13 The re circulating lever swung idly Stops immediately swing without coming into contact with an upon detection original immediately after the re cir culating motor M4 has started to operate Pick up fault The sensor S7 does not detect the The sepa
75. R DRIVE 2 command COUNTER DRIVE 3 command UPPER CASETTE SIZE DETECTION signal 0 UPPER CASETTE SIZE DETECTION signal 1 UPPER CASETTE SIZE DETECTION signal 2 UPPER CASETTE SIZE DETECTION signal 3 UPPER CASETTE SIZE DETECTION signal 4 LOWER CASETTE SIZE DETECTION signal 0 LOWER CASETTE SIZE DETECTION signal 1 LOWER CASETTE SIZE DETECTION signal 2 LOWER CASETTE SIZE DETECTION signal 3 LOWER CASETTE SIZE DETECTION signal 4 DC DEVELOPING BIAS DRIVE command DC DEVELOPING BIAS DRIVE command DELIVERY DEFLECTION SOLENOID DRIVE signal DOCUMENT SIZE DETECTION signal 1 DOCUMENT SIZE DETECTION signal 2 DOCUMENT SIZE DETECTION signal 3 DOCUMENT SIZE DETECTION signal 4 DEVELOPING CLUTCH DRIVE signal FIXING FILM DETECTION command FLUORESCENT LAMP INTENSITY signal FLUORESCENT LAMP PRE THERMISTOR signal FLUORESCENT LAMP PWM DRIVE command FLUORESCENT LAMP THERMISTOR signal FAN1 FM1 DRIVE command EXHAUST FAN2 FM2 DRIVE command EXHAUST FM3 DRIVE command FAN4 FM4 DRIVE command FAN5 FM5 DRIVE command FAN6 FM6 DRIVE command FS HTNG HTRD HVTMO HVTM1 LCSPD LED ON LMD LOCK LOW DETECT LSRD MFCK MFPD MFPW MMCK MMD MRSD PCSD PDP1 PDP3 PDP4 PDP5 PDP6 PDP7 PEXP RDOD RFLD RGCD RTEMP SCHP SEBON SH SL2D SRGPD SW ON SWO swt TEP TH1 TH2 UCSPD UP DETECT VPPD WTDT FS signal HEATER NG signal HEATER DRIVE command HIGH VOLTAGE TRANSFER MODE 0 HIGH VOLTAGE TRANSFER MODE 1 LOWER CASETTE PAPER DETECTION s
76. RINT COPY S PRINT FAX S PRINT PDL S PRINT ETC S PRINT Indicates the small size overlay copy 2nd side count Indicates the small size two sided 2nd side count Indicates the large size copy cont Indicates the large size fax print count Indicates the large size printer print count Indicates the large size print count by other system Indicates the small size copy count Indicates the small size copy count Indicates the small size printer print count Indicates the small size print count by other system 7 79 SERVICE MODE 6 COUNTER 04 L ORG FEED xxxxx S ORG FEED xxxxx SCAN TOTAL COPY SCAN XXXXX FAX SCAN XXXXX PDL SCAN XXXXX ETC SCAN PRINT JAM XXXXX DH_JAM XXXXX ERIC OK Indication Description L_ORG_FEED Indicates the large size original pick up count S ORG FEED Indicates the small size original pick up count SCAN TOTAL Indicates the total scan count COPY SCAN Indicates the scan count for copier mode FAX SCAN Indicates the scan count for fax mode PDL SCAN Indicates the scan count for printer mode ETC SCAN Indicates the scan count for other system PRINT JAM Indicates the print jam count DH JAM Indicates the feeder jam count 7 80 SERVICE MODE J 7 ACC accessory mode Use this mode to adjust operate options Each press on the key brings up the next screen each press on the key on the other hand brings
77. Replace the fixing heater dri ver Is the problem corrected End Fixing assem bly DC controller PCB Replace the fixing assembly Is the problem corrected 36 The counter fails to operate Cause Checks End Replace the DC controller PCB Action Counter Turn OFF the main power switch and disconnect the fol lowing connectors is the resis tance on the counter side about 480 Q Total copy counter CNT1 J57 Print counter CNT2 J93 Fax counter CNT3 J94 Replace the counter DC controller PCB Does the voltage of the follow ing connectors on the DC con troller PCB change from 0 V to 24 V and then to 0 V after copy paper is discharged Total copy counter CNT1 J107 B3 J107 B4 Printer counter CNT2 J107 B5 J107 B6 Fax counter CNT3 J107 B7 J107 B8 Replace the counter Replace the DC controller PCB 4 21 TROUBLESHOOTING MALFUNCTIONS Kww O 37 The Add Paper message fails to turn OFF Checks Yes No Action Does the lifter move up NO See The lifter fails to move up Paper sensor DC controller PCB Put paper in the cassette and check P SENS in service mode 1 7th page Check the sensor lever if nor mal replace the sensor in question Is the value 0 upon detec tion 1 38 Th
78. SERVICE MODE HE Multitray 12 Feeder Related Jam Codes Unit Jam code Description Multitray 12 0003 Sorter feeding delay jam 0004 Sorter feeding stationary jam 0006 Sorter staple jam 0007 Sorter power on jam 0008 Sorter door open jam paper present 0009 Sorter door open jam paper absent 0001 Original pulled out 0002 Registration delay jam 0003 Pick up delay 0005 Registration delay 0011 Reversal delay 1 0012 Reversal stationary 0013 Reversal delay 2 0020 Reversal paper present 0021 Reversal pick up delay 0023 Reversal pick up stationary 0041 Delivery delay 0042 Delivery stationary 0081 Opened with RDF in operation 0082 Upper cover opened during operation 0083 Original circulation fault 0084 Original left behind 0088 Original left behind on copyboard glass 0089 Re circulating lever fault 7 8 SERVICE MODE 3 Error Alarm Indication 4th screen 1 DISPLAY 03 BODY DF ST ERR xx XX ALRM XXX xx XX ERIC JL OK Description See the descriptions Table7 103 for self diagnosis E code See the table below for the nature of alarm Refers to the copier Refers to the feeder ADF RDF Refers to the sorter Copier Related Alarm Description Replace the drum unit 7 9 SERVICE MODE ALARM ADF PI1 Original sensor PI2 Registration sensor
79. TION 07 AD XXXX MF A6R xxx MF A4R xxx MF A4 xxx SIZE xxx x mm FIT IE Figure 2 228 8 Set A6 paper in the multifeeder and adjust the side guide to A6R Note A6 is what is obtained by folding A4 paper into four the width is 105 mm 9 When the side guide is adjusted to A6R the VR output value will be indicated under AD xxx on the screen After checking the value press MF A6R on the screen to highlight then press the OK key The value will be stored under MF A6R 10 Likewise set A4R paper in the multifeeder and adjust the side guide to A4R 11 Check that the value of AD is indicated then press A4R to highlight and press the OK key The value will be registered under A4R 12 Set A4 paper in the multifeeder and adjust the side guide to A4 13 Check that the value of AD is indicated then press A4 to highlight and press the OK key The value will be stored under A4 14 Press the Reset key twice to end service mode 15 Turn off and on the main power switch Aj a s a 2 A4R VR output gt ABR A6R A4R A4 105mm 210mm 297mm Paper width gt Figure 2 229 2 15 STANDARDS AND ADJUSTMENTS 5 Shading Auto Correction There are two types of shading correction for servicing and for R amp D factory Use the 3rd screen in 4 do not use shading auto correction
80. al 4 N C 4 N C 000000000 POWER J184 RS 232C I F 000 0000 Original size sensor 1 Original size sensor 3 gt amp Original size sensor 2 Original size sensor 4 N lt TT s POWER Nadu SUPLLY 5555 D SPECIFICATIONS 1 Type Specifications Body Desktop Copyboard Fixed Light source Fluorescent lamp Lens Lens array Photosensitive medium System OPC Specifications Copying Indirect electrophotographic Charging AC roller charging Exposure Spot laser Copy density adjustment Automatic or manual Development Dry single component toner projection Automatic 2 cassettes Pick up Manual Multifeeder about 5 mm deep Transfer Roller charging Separation Static static eliminator curvature cleaning Blade Fixing SURF APPENDIX A 7 APPENDIX 3 Performance 120V Types of originals Sheet book 3 D object 2 kg max Maximum size of original 11 x 17 max Reprodu ction ratio Direct 1 1 0 5 Reduce 1 0 250 Reduce 1 0 500 Reduce 1 0 611 Reduce IV Reduce V 1 0 707 1 0 786 Enlarge I 1 1 214 Enlarge II 1 1 294 Enlarge 1 2 000 Enlarge IV 1 4 000 Enlarge V 1 8 000 Zoom 1 0 250 to
81. and the parts around the developing connector Developing bias DC controller PCB 3 8 Replace the composite power supply PCB Is the problem corrected End Replace the DC controller PCB HE TROUBLESHOOTING IMAGE PROBLEMS 5 The copy has vertical fogging 6 The copy has black lines vertical thick fuzzy Cause Checks Yes No Action Primary charg ing roller Clean the charging roller in user mode Is the problem cor rected YES Scanner dirty Clean the mirror lens and dust proofing glass Is the problem corrected Developing assembly Is the toner coating on the developing cylinder even 1 Check the edge of the developing assembly blade 2 Dry wipe the surface of the developing cylinder Photosensitive drum Light from out side Are there scratches on the pho tosensitive drum in peripheral direction Replace the drum unit Check the photosensitive drum to see if it should be exposed to light from outside 3 9 TROUBLESHOOTING IMAGE PROBLEMS www 7 The copy has black lines vertical thin Cause Checks Yes No Action Exposure sys Generate a test print using L NO The scanner system may be tem TEST2 in service mode 4 faulty Does the generated copy have Clean the No 1 through No 3 black lines mirrors Primary charg Clean the primar
82. assette is set to the envelope index the cassette will not be identified as an envelope cassette If the paper size dial of the cassette is set to the envelope index the cassette will be identified as an envelope cassette Default 1 AGS NON 7 72 Use it to specify whether the density correction curve should be modified based on the results of measuring the resistance of the photosensitive drum 0 change the density correction curve based on the results of measuring the resistance of the photosensitive drum 1 do not change the density correction curve Guide If the results of making adjustments according to the Basic Image Adjustment Procedure are not good execute the 15th screen 4 If the indicated value is far off the target value set the item in this mode to 1 so nor mal images may be obtained However if such a problem occurs you must suspect a fault in the image processor PCB DC controller PCB or composite power supply PCB KE SERVICE MODE NEN Item Function Description SPCL PPR Use it to change thick paper mode 0 The thick paper mode remains off Switching the fixing temperature the thick paper mode is supported The fixing temperature is switched so that paper thicker than that supported under 1 may be supported However for 1 and 2 the icon for the special cassette must be registered using ADDITIONAL FUNCTION i e
83. background e g red sheets slips tend to have poor con trast Check the density of the originals a diazo copy original or an original with transparency can produce copies that tend to be mistaken for foggy copies and originals prepared in light pencil tend to pro duce copies that tend to be mistaken for light image copies Checking the Copyboard Cover Copyboard Glass and Standard White Plate Check the copyboard cover copyboard glass and standard white plate for dirt Clean the part if soiled and replace the part if damage is found 4 a Checking the Charging Assemblies Check each of the charging assemblies for dirt Check the charging wire charging brush for a fault damage deformation Check the charging wire grid wire and shield plate of each charging assembly If neces sary dry wipe the part with lint free paper then use alcohol If the dirt cannot be removed replace the part c Check the height of each charging wire d Make sure that each charging assembly is properly set e Check the charging spring especially of the separation charging assembly for rusting 5 Checking the Developing Assembly a Check to make sure that the rolls on both ends of the developing assembly are in con tact with the drum b Check to make sure that the surface of the developing cylinder is covered with a uniform coating of toner 6 Checking the Paper a Check if the paper is of a type recomme
84. blade If toner is not in the developing assembly see The ADD TONER message fails to turn ON Fixing assem bly Are there scratches on the fix ing film in peripheral direction 1 Replace the fixing assembly 2 Clean the separation claw 3 Check the separation claw Fixing assem bly inlet Photosensitive drum Is there dirt or foreign matter on the fixing assembly inlet Are there scratches on the sur face of the photosensitive drum in peripheral direction Clean the area Replace the drum unit Be sure to find out the cause of the scratches Dust proofing glass Replace the dust proofing glass Is the problem correct ed End Exposure sys tem Standard white plate Clean the standard white plate and No 1 No 2 and No 3 mirrors Is the problem correct ed End Change the value of ADJ S in service mode 3 and change the point of shading measurement 3 11 TROUBLESHOOTING IMAGE PROBLEMS 10 The copy has white spots horizontal Cause Checks Yes No Action Developing assembly Execute L TEST in service mode 4 Are there white spots in the images YES Go to step 4 Developing assembly Is the problem noted at inter vals of about 35 mm Clean the developing rolls 2 Dry wipe the surface of the developing cylinder If scratches are found on the surface of th
85. ches and Counters BRI Figure 6 605 6 10 en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Switches Counters Heaters Varistors and Fuses Name Notation Description Switches SW1 Main power switch SW2 Front door switch SW3 Power saving mode switch SW4 Cassette heater switch Counters CNT1 Counter 1 CNT2 Counter 2 CNT3 Counter 3 non Japanese model only Varistors VZ1 Pre registration guide varistor Resistor R1 High voltage resistor Scanning lamp flu Scanning lamp orescent lamp 6 11 F PCBs Figure 6 606 6 12 en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Name Description 9 9 o Image processor PCB DC controller PCB Composite power supply PCB Analog processor PCB Laser driver PCB Laser scanner motor driver Fixing heater driver Options power supply Intensity adjusting sensor BD PCB Noise filter Pick up unit PCB Cassette size detection upper Cassette size detection lower Pre exposure lamp PCB Multifeeder paper width detection PCB Service switch PCB LCD intensity adjustment PCB Processes images Controls DC loads Provides HVT lamp regulator DC power Drives the CCD processes analog images Drives the laser unit Drives the laser scanner motor Drives the fixing heater Provides power to the sorter RDF Detects the intensity of the scanning lamp Detec
86. delivery tray 3 paper sensor multi tray 3 PS 18 Multitray 3 inlet sensor PS12 re pick up paper sensor PS11 front door right door pedestal right door See p 7 51 Pick up location Cassette 1 Cassette 2 Cassette 3 Cassette 4 Cassette 5 Cassette 6 Multifeeder Two sided overlay re pick up 7 6 ee SERVICE MODE List of Jam Codes copier related Sensor Pre registration Vertical path Pedestal vertical Fixing delivery sensor PS5 sensor PS8 path sensor sensor PS7 Low Q1603 der High gt Type order code 01 02 03 32 of jam code Delay 01 0101 0102 0103 0132 Stationary 02 0201 0202 0203 0232 Residual 10 1001 1002 1003 1032 Sensor Delivery sensor Multitray 3 deliv Multi tray 3 Multitray 3 inlet PS13 ery tray 2 paper delivery tray 3 sensor PS19 sensor PS17 paper sensor Low gt PS18 Type HighXorder of jam order code 33 34 35 61 Delay 01 0133 0134 0135 0161 Stationary 02 0233 0234 0235 0261 Residual 10 1033 1034 1035 1061 Sensor Duplexing unit Re pick up sen inlet sensor sor PS11 Low PS12 Highs order Type order code 62 63 of jam code Delay 01 0162 0163 Stationary 02 0262 0263 Residual 10 1062 1063 Door Front door Right door Pedestal right door Low Highs Order Type order code 01 02 03 of jam Code Door open 11 1101 1102 1103 7 7 HA
87. e 2 233 Press AUTO SHADING START on the LCD to highlight then press the OK key shading auto correction will be executed 9 A beep will be sounded while the lamp is being adjusted with the screen indicating LAMP LEVEL press the OK key when the beep stops f no beep is heard remove the rear cover and turn VR1 on the DC controller PCB until a beep is heard then press the OK key If no beep is heard after turning VR1 fully clockwise press the OK key while keeping VR1 turned fully clockwise 4 FUNCTION 12 R amp D SHEADING START OK CANCEL Now LAMP LEVEL WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GD2 xxH CDA3 xxH CDA4 xxH ADDA5 xxH D ODD xxH D EVN xxH a gt C IE Figure 2 234 10 In a while Now ENDT will appear on the screen indicating the end of shading auto correction NENNEN STANDARDS AND ADJUSTMENTS EH Updating Replace the ROM DIMM double inline memory module on the image processor or update it by downloading as discussed Downloading will update the ROM DIMM you must replace the following ROMs to update C103 DC controller PCB C104 DC controller PCB Replacing the ROM DIMM Removing the ROM DIMM Turn off the main power switch Disconnect the power cord from the power outlet Remove the copyboard glass lens cover and IP cover While opening the claw of the slot lift the ROM DIMM to remove
88. e Jam message fails to turn OFF Checks Replace the DC controller PCB Action Is there paper around the sen sor which has turned on Check by referring to the jam code in service mode 1 JAM Remove the paper Sensor DC controller PCB Is the sensor identified by the Replace the sensor jam code in service mode 1 normal 39 The Add Toner message fails to turn OFF Cause Checks Replace the DC controller PCB Action Stirring spring Remove the developing assem bly Is the spring used to stir the toner around the toner sensor TS1 installed correctly Re install it Toner sensor DC controller PCB 4 22 Try replacing the toner sensor End Is the problem corrected Replace the DC controller PCB HE TROUBLESHOOTING MALFUNCTIONS 40 The fax error indicator fails to turn OFF Cause Checks Yes No Action Paper absent Do all installed cassettes have paper in them NO Put paper The fax error indicator lamp flashes if all installed cassettes are with paper advise the user Fax Is the FAX reception operation normal Check the connection to the telephone line Image proces sor PCB FAX Board Replace the image processor PCB Is the problem corrected End Replace the FAX Board 4 23
89. e developing cylinder replace the developing cylinder Drum unit Is the problem noted at inter vals of about 94 mm Clean the drum 2 If there are scratches on the drum replace the drum unit Copy paper Try fresh copy paper Is the problem corrected The copy paper is moist advise the user on the correct method of storing paper Transfer charg ing assembly Developing bias Are there white spots on the photosensitive drum during copying Check the transfer charging assembly for leakage Check the developing bias Scanning sys tem rail Scanner cable 3 12 Is the problem noted at the same location on every copy 1 Check the scanner rail for foreign matter 2 Adjust the tension of the scanner cable KE TROUBLESHOOTING IMAGE PROBLEMS 11 The back of the copy is soiled Cause Step Checks Yes No Action 1 Turn off the main power switch NO Go to step 0 while copy paper is moving through the feeding assembly Is the back of the copy paper soiled at this time Transfer guide 2 Is the voltage between the NO 1 Check the transfer guide bias transfer guide and the side bias plate of the machine 600 V 2 Clean the transfer guide or more Developing 3 Is the problem noted at inter YES 1 Clean the registration roller assembly vals of about 50 mm 2 Clean the transfer guide Registration 3 Check the d
90. e distance between the steel core E ring of SL5 and the solenoid frame is about 0 2 mm 5 Install the delivery assembly to end the work Paper deflecting plate 1 solenoid SL5 Figure 2 215 2 7 STANDARDS AND ADJUSTMENTS BH 11 When Replacing the Drum Unit When replacing the drum unit record the date and the latest counter reading in the label shown and attach the label to the front cover of the new drum unit date counter notes date Datum compteur Z hler note Notiz 2 8 12 Positioning the Developing Assembly Magnetic Seal To install the magnetic seal butt it against the opening assembly Check to make sure that the magnetic seal and the housing are in firm contact Opening M tic seal i agnetic reference for butting Figure 2 216 Magnetic seal Figure 2 217 ee STANDARDS AND ADJUSTMENTS 13 Installing the Developing Assembly Blade 14 Positioning the Primary Roller The blade is adjusted at the factory to ensure high accuracy when the blade and the blade mount are assembled Do not separate the blade from its mount If you must replace the blade on its own use a gap gauge CK 0057 000 and adjust so that the gap between the blade and the developing cylin der is 0 21 0 03 mm Blade 0 21 0 03mm Developing cylinder Fi
91. e fixing heater fails to operate 4 21 40 The fax error indicator fails to turn 36 The counter fails to operate 4 21 p 4 23 37 The Add Paper message fails to turn CHAPTER 5 TROUBLESHOOTING FEEDING FAULTS A COPY PAPER JAMS 5 1 B FEEDING FAULTS 5 6 CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS A CLUTCHES AND SOLENOIDS 6 2 PCBS 6 12 B MOTORS uu D nete eene ntes 6 4 G FAX RELATED PCBS 6 14 FANS cni nena 6 6 H VARIABLE RESISTORS VR LIGHT D SENSORS casters 6 8 EMITTING DIODES LED AND CHECK E SWITCHES AND COUNTERHRS 6 10 PINS BY 6 16 CHAPTER 7 SERVICE MODE A OUTLINE S oa deti bentes 7 1 E 2 WO DISPLAY I O DISPLAY MODE B USING SERVICE 7 21 USING ADJUSTMENT MODE AND F 3 ADJUST ADJUSTMENT MODE 7 40 SETTINGS MODE cs 7 3 G 4 FUNCTION FUNCTION MODEB 7 51 D 1 DISPLAY CONTROL DISPLAY MODE H 5 OPTIN SETTINGS MODE 7 71 Op 7 4 I 6 COUNTER COUNTER 7 77 J 7 ACC ACCESSORY MODE 7 81 CHAPTER 8 SELF DIAGNOSIS A COPIER 8 1 E SELF DIAGNOSIS OF THE MULTI B SELF DIAGNOSIS OF THE RDF G1
92. e manual p 3 74 VR1 Used for adjusting the intensity of the scanning lamp when executing factory R amp D shading under FUCNTION in service mode 4 FUNCTION 6 18 3 Composite Power Supply PCB Figure 6 610 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 4 FAX Board NCU J100 _ _ VR2 J3 J6 J4 RAM B RAM A LED1 5 1 SW2 2 Figure 6 611 RAM A Used as page memory When installed it enables the use of Ultra Fine mode You must install RAM B if you have installed RAM A 3 MB RAM B Used as image memory When installed it increases the size of memory for transmission reception images 3 MB or 9 MB NCU Board J3 J2 J1 Figure 6 612 SW1 Must be used with all bits OFF SW2 Must be turned OFF first when installing expansion memory then must be turned ON after the work LED1 Turns ON when 5V is supplied normally 6 20 en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 5 CORE IP Board
93. e of control You cannot change the displayed values or settings Each press on the gt gt key brings up the next screen each press on the key on the other hand brings up the previous screen press on the CANCEL key will bring up the Menu screen 1 Temperature Indication 1st screen 1 DISPLAY 01 DRAM TH xxxx C MAIN TH xxxx C SUB TH xxxx X OK Item Description Remarks DRAM_TH Indicates the temperature around the photosensitive drum Unit C MAIN_TH Indicates the temperature at the middle of the fixing assembly output of thermistor TH1 SUB_TH Indicates the temperature at the end of the fixing assembly out put of thermistor TH2 7 4 SERVICE MODE 2 Jam History 1 2nd screen Use this mode to display a history of jams jam data covering the most recent 40 jams in reversed order of occurrence 1 DISPLAY 02 AA BBBB CCCC DDDD E FFFF G 1111 AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH 1111 AA BBBB CCCC DDDD E FFFF G HHHHHH 1111 AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH III P OK Press the or key to scan through the levels screen Nos 11 through 20 21 through 30
94. e rotation FILM SPEED Indicates the measured film speed LOCATION from TOP Indicates the position of the rear end of the fixing film from the V cut LEVEL 7 66 Indicates the position of the fixing film 4 or 5 is opti mum SERVICE MODE 15 Measuring the Drum Resistance 4 FUNCTION 15 gt SELECT_GAMMA_NUM gt JUMP AGS MEASURE uA JUMP JER OK Item Description Reference page Photosensitive drum resistance 1 Brig up the screen and press the Copy Start key measurement The resistance of the photosensitive drum will be measured and the result will be indicated Execute this mode before changing AGSNON of OPTION in service mode 5 to 0 so that the measurement may be used as a reference For a guide see the diagram below SELECT_GAMMA_NUL setting AGS_MEASURE setting 7 67 SERVICE MODE 16 Resetting the Jam History 4 FUNCTION 16 CANCEL JAM RLS OK CLEAR ERIC JL J OK Item Description Reference page Resetting jam history Use this mode to collectively reset the jam histories shown under DISPLAY in service mode 1 Press JAM RLS to highlight then press the OK key 7 68 SERVICE MODE 17 Initializing the Memory RAM 4 FUNCTION 17 CANCEL RAM INIT COPY CLEAR OK CLEAR x JUMP ALL CLEAR OK CLEAR x C JU IE
95. ect 1 not connected CORE IP connect 2 not connected editor board connect connected CCF connect connected PCB internal signal power saving mode switch ON Not used main power switch ON OIT OONN 7 21 HA SERVICE MODE Www Address o Indication PCO input O1 OO N O OIT OONN O NOOR WP LCD back light CCV count sleep mode switch PCB internal signal DIP SW DIP SW DIP SW interrupt scanner start registration roller ON PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal ON count saving mode connect ON ON DC controller communication ON DC controller communication ON DC controller communication OIT OONN PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal 7 22 OI 9 OO N O PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal KE SERVICE MODE NEN Address o pm Indication Logic PB2 output STOP CCD control B H CCD control ABC OFF CCD control CS CCD control LD RS CCD control CLK CCD control SIN UD CCD control PRESCAN CCD control 0 1 2 3 4 5 6 7 bias ON power SW 0 ma
96. ed suspect a fault in the spots suspect dirt on the transfer charging photosensitive drum developing assembly roller or the separation static eliminator or laser system f black lines are noted suspect scratches f white bands are noted suspect a fault in on the drum or dirt on the primary charging the developing system or dirt on the trans roller fer charging roller If white lines are noted suspect a shading fault because of dirt on the standard white plate f uneven density left right is noted sus pect dirt on the primary charging roller or a fault in the developing system 7 61 SERVICE MODE L TEST5 grid test print L TST7 horizontal line test print Use it to check straight line and angles Use it to check straight lines f a discrepancy is noted suspect a dis f a discrepancy is noted suspect a dis placed laser beam or a fault in beam detec placed laser beam or a fault in beam detec tion tion 6 L TEST6 vertical line test print Use it to check straight lines f a discrepancy is noted suspect a dis placed laser beam or a fault in beam detec tion 7 62 SERVICE MODE 11 Checking the Image Processor PCB 4 FUNCTION 11 IP CHK OK START xx em C JU IE Item Description Reference page Image processor PC
97. eveloping roller assembly for leakage of toner Drum cleaning NO 1 Clean the feeding assembly assembly 2 Check the drum cleaning assembly for leakage of waste toner Fixing assem 4 Is the fixing assembly lower YES 1 Clean the fixing assembly bly roller soiled lower roller 2 Clean the inlet guide of the fixing assembly 3 If offset is noted increase the setting of FILM LANK in service mode 3 Transfer roller 5 Execute cleaning of the roller in YES End user mode Is the problem cor rected 6 Make several blank copies Is YES End the problem corrected 7 Is the transfer roller soiled YES Replace the transfer roller excessively 3 13 TROUBLESHOOTING IMAGE PROBLEMS 12 The copy has fixing faults Cause Checks Yes No Action Copy paper Is thick paper or other types of paper which are subject to poor fixing used YES Set SPCL PPR in service mode 5 to 1 then set the following and advise the user 1 Select the cassette for thick paper as the special cas sette 2 Select the following icon for the selected cassette 2nd column from the right and 3rd row from top e Thick paper icon 3 Advise the user to use and select this cassette for thick paper Is Canon recommended paper used Make a check using recom mended paper If the results are good advise the user to use recommended paper Fixing asse
98. for R amp D factory n shading correction various data items are measured and the results are stored in RAM on the image processor PCB The data will be used as target values for shad ing correction executed before copying Execute the mode R amp D factory for the fol lowing After replacing the standard white plate After replacing the scanning lamp After replacing the DC controller PCB 1 Open the front door and insert the handle of the separation static cleaning brush into the fixing assembly releasing opening Separation static eliminator cleaning brush Figure 2 230 2 Insert the door switch actuator into the door switch assembly 3 Press the service switch with a hex key will be indicated in the upper left corner of the LCD 2 16 4 Press the key twice The Service Mode Menu screen will appear SERVICE MODE gt 1 DISPLAY 2 DISPLAY 8 ADJUST 4 FUNCTION 5 OPTION 6 COUNTER 7 ACC 8 FAX PP C IE Figure 2 231 5 Press FUNCTION on the Menu screen 4 an press the OK key 6 Press the Page key to bring up the Shading screen 12 the screen 3 FUNCTION 12 AUTO SHEADING START OK Now WB H WP H LAMP H GDA1 H GD2 HCDA3 H CDA4 ADDA5 H D ODD H D EVN H FIC IE Figure 2 232 7 Place five to ten standard blank sheets of paper FY9 3004 on the copyboard glass Copyboard glass Figur
99. gure 2 218 The surface of the developing cylinder is high ly susceptible to scratches Be sure to insert the gap gauge into both ends of the developing cylin der Cleaning Solenoid SL1 Adjust so that the section shown of the prima ry roller cleaning solenoid SL1 is 4 0 0 2 mm 4 0 0 2mm Figure 2 219 2 9 STANDARDS AND ADJUSTMENTS HE B Electrical System 1 When Replacing major Parts Item Service mode Steps Before replacing the image processor PCB 4 PRM PRNT effective only if equipped with fax function 1 Print out all registration data one touch dialing speed dialing user data list etc effective only if equipped with fax functions 2 If the machine is equipped with fax functions execute PRM 4 and take notes of the settings in user mode and others Executing the mode will print out the settings values under ADJUST 3 OPTOIN 6 and COUNTER 6 If the machine is not equipped with fax functions you cannot execute PRM 4 After replacing the image processor PCB 2 10 4 RAM Clear 3 Enter the value record ed on the label Service label attached to the front door Label attached to the image processor PCB Label attached to the copi er power supply PCB 4 Shading auto cor rection 4 PD density auto correction 4 200PWM density auto correction 4 6
100. gure 2 239 7 Press IP DOWNLOAD on the screen to high light then press the OK key A press on the OK key will automatically shut down and boot the power When the machine boots up it will show the following screen to indicate that it is in downloading mode STANDARDS AND ADJUSTMENTS 2 19 STANDARDS AND ADJUSTMENTS BH 7 AE Adjustment The machine s AE auto density adjustment mode may be either priority on speed mode or priority on image quality mode Each of these modes may be adjusted in service mode and the concepts used for the modes are as follows 1 Priority on Speed Mode Use ABC_TBL under ADJUST in service mode 3 A lower value for TBL will make the text darker between 1 and 9 A higher value for ABC TBL will make the text lighter between 1 and 9 factory default 3 The adjustment will modify the density correction curve Copy density White Higher setting Lower setting lt Black zt Original density Black White Figure 2 240 2 20 ee STANDARDS AND ADJUSTMENTS EH 2 Priority on Image Quality Mode a SLOP For priority on image quality mode an AE table is selected based on a study of the original density his togram prepared during a pre scan The slice level distinguishing the data into text black and background white can be adjusted under AE SLOP in service mode ADJUT 3 AE SLOP A
101. h panel is pressed the area will become highlighted reverse video After the check press the Reset key to end service mode 7 17 SERVICE MODE KEK CHK code Key Keypad 0 Keypad 1 Keypad 2 Keypad 3 Keypad 4 Keypad 5 Keypad 6 Keypad 7 Keypad 8 Keypad 9 Start Stop Clear Interrupt Guide User Mode 7 18 O Q FW N SERVICE MODE 7 Copy Paper Size Indication Use this mode to indicate the size of copy paper set in the multifeeder or in the cassettes and the out put readings of the paper size sensors 1 DISPLAY 07 A D P SENS SIZE MULTI xxx x xxx xxmm SW P SENS DET REMAIN CST 1 XXXXX X XXXXX XX CST 2 XXXXX X XXXXX XX CST 3 XXXXX X XXXXX XX CST 4 XXXXX X XXXXX XX CST 5 XXXXX X XXXXX XX CST 6 XXXXX X XXXXX XX 44 PP OK Descriptions Refers to the multifeeder Indicates the output analog of the multifeeder width sensor Indicates the presence absence of paper 0 paper absent 1 paper present Indicates the A D input value of the multifeeder in mm SW Refers to a specific cassette cassette size sensor output rear to Table 0 00 DET Indicates the paper size REMAIN Indicates the volume of paper inside the cassette full 500 sheets much little about 10 mm high little absent Cassette 1 Cassette 2 Cassette 3 Cassette 4 Cassette 5 Cassette 6 7 19 HA
102. hat image composition mode does not accommodate The original is of a size different from the first original Stops immediately upon detection See Supplement Not reset when mode is changed Note1 When executing fax mode with out resetting after copying mode When making a copy in the middle of fax operation or when making a copy without resetting Stops operation im mediately upon detection To reset remove the originals from the original tray and then open the RDF 7 12 Overstacking Alarm Multitray 12 Nature Cause Operation Display SERVICE MODE Resetting Overstack ing of paper The paper being stacked during multitray operation has exceeded the capacity of a sin gle bin Partial Fault Alarm Multitray 12 Cause Stops upon detection over stacking Operation Indicates a mes sage on the copier s control panel Display Remove all paper from the bin Resetting An error occurred in the bin unit feeding motor M2 bin shift motor M1 guide bar swing motor M4 or stapler swing motor M5 the same type of error has occurred after turning off and on the power Prohibits delivery to the sorter however permits delivery to the tray No indication Remove the cause of the error and turn off and then on the power 7 13 HA SERVICE MODE HE Stapler Alarm Multitray
103. he DC controller PCB an the image processing PCB 8 3 HA SELF DIAGNOSIS HI Main cause Description An error has occurred in communi An error has been detected in the communi cation with the control panel cation between the CPU on the control panel Control panel CPU error and the image processor PCB Image processor PCB faulty There in an error in the zero cross The intervals of zero cross signals are out signal side the allowed range Power supply frequency fluctu ation Composite power supply PCB faulty The intensity of the scanning lamp is not correctly adjusted Intensity sensor faulty Scanning lamp faulty DC controller PCB faulty An error in IPC communication BS does not go 1 for 3 sec has occurred An error in IPC communication DT has been written in the error register has occurred four times An error in communication with the The communication has been interrupted feeder has occurred An IC error has occurred sorter The communication has been interrupted An error has occurred in communi The communication has been interrupted cation with the pedestal An error has occurred in communi The communication has been interrupted cation with the Copy Data Controller An error has occurred in the out The output voltage 24Vu or 24VR of the put voltage of the composite composite power supply PCB has an error power supply PCB
104. he cassette is set name notation for the to LTR LTRR will be indicated on the LCD LTRR size cassette If the paper size dial of the cassette is set to LTRR LTRR will be indicated to stand for Argentine LETTER R 7 76 SERVICE MODE I 6 COUNTER counter mode Use this mode to find out the numbers of specific operations the machine has performed Each press on the key brings up the next screen each press on the key on the other hand brings up the previous screen Apress on the key will bring back the Menu screen To clear the counter reading press the item to highlight then press the key When a dialog box appears asking you whether to clear the counter reading press the OK key to reset the counter reading to 0 6 COUNTER 01 SERV TOTAL1 xxxxx SERV TOTAL2 xxxxx L TOTALxxxxx L MULTI xxxxx L CAST1xxxxx L CAST2xxxxx L CAST3xxxxx L CASTAxxxxx L CAST5xxxxx L CAST6xxxxx Kb IL IE Indication Description SERV TOTAL 1 Indicates the servicing total copy count 1 SERV TOTAL 2 Indicates the servicing total copy count 2 L TOTAL Indicates the large size copy print count L MULTI Indicates the large size copy count from the multifeeder L CAST1 Indicates the large size copy count from the cassette 1 L CAST2 Indicates the large size copy count from the cassette 2 L CAST3 Indicates the large size copy count from the cassette 3 L CAST4 Indicates the large size copy count f
105. he sensor output is 2 3 V or more in the absence of paper Description r Caution 1 Turn off the copier s power switch once if the self diagnosis mechanism has turned on 2 You may continue to make copies even when the RDF is out of order open the RDF and place originals on the copyboard glass Data communication with the copier faulty Communication with the copier has been disrupted for 5 sec or more during stand by Communication with the copier has been disrupted for 0 5 sec or more during oper ation 8 6 SELF DIAGNOSIS D Self Diagnosis of the Pedestal Main cause Description The pedestal has an error The communication IC Q101 on the Pedestal controller PCB faulty pedestal controller PCB has gone out of Connector poor contact order 24V power supply faulty Pedestal motor M20 faulty The rotation speed fails to reach a specific Pedestal controller PCB faulty value within 10 sec after the pedestal motor has turned on The rotation speed has deviated from a specific value for 3 sec or more while the motor is rotating E Self Diagnosis of the Multi Output Tray C1 Main cause Description The shift tray home position sen The home position detection signal does sor fails not turn on within 5 sec during shift tray home position search 8 7 HA SELF DIAGNOSIS HI F Self Diagnosis of the Multi Output Tray 12
106. he transparent surface Transparent surface of scanning lamp Reflecting plate Figure 2 211 7 Positioning the Multifeeder Paper Guide Cam Adjust so that the paper guide plate cam is as shown when the solenoid plate is in contact with the claw of the control ring Gear 1 Control ring Paper guide plate Stop screw w hex hole Claw Solenoid plate Paper guide plate Gear 2 Figure 2 212 2 6 8 Attaching the Timing Belt of the Multifeeder Assembly 1 Butt the side plate of the multifeeder against both ends section A open condition 2 Move the slide volume to the center in the direction of B and attach the timing belt to the pulley Timing belt Pulley Pulley Rack plate poe Slide volume Figure 2 213 ee STANDARDS AND ADJUSTMENTS 9 Installation of the Multifeeder Pick Up Roller Install the multifeeder pick up roller 1 so that the side with a cross on the collar is toward the rear a gt Figure 2 214 10 Positioning the Delivery Assembly Paper Deflecting Plate Solenoid SL5 1 Remove the delivery assembly 2 Place the delivery assembly upright on a level surface 3 Push in the steel core of the paper deflecting plate 1 solenoid SL5 until it stops 4 Loosen the adjusting screw to adjust so that th
107. he user no color copy paper allowed on the copyboard glass press WHITE MEASURE to highlight and press the OK key The scanner makes a single scan 3 Replace the paper with the test pattern generated previously press DENSITY MEAUSRE to high light and press the OK key Printed side down 4 Check the value of A B and D Insert 5 If the values are as indicated press DATA SET to highlight and press the OK key 7 55 SERVICE MODE 6 600PWM Density Auto Correction This mode must be executed in combination with PD density auto correction and 200PWM density auto correction 4 FUNCTION 06 gt 600PWM PRINT START WHITE MEASURE OK DENSITY SAMPLING OK DATA SET B xxx D XXXx XX XX XX XX XX XX XX XX XX XX XX XX MULTI 0 gt CASSETTE1 A4 1 CASSETTE2 A4 1 OEDSES Item Description Reference page 600PWM density auto correc 1 Press 600PWM PRINT to highlight and press tion the Copy Start key A 15 gradation test pattern will be generated 2 Place a blank sheet of paper whitest of all used by the user no color copy paper allowed on the copyboard glass press WHITE MEASURE to highlight and press the OK key The scanner makes a single scan 3 Replace the paper with the test pattern generated previously press DENSITY MEASURE to high light and press the OK key Printed side down 4
108. higher setting makes the images darker between 1 and 19 left of Figure 2 241 b AE LIGHT AE DARK The AE table selected as a result of a pre scan may be corrected to suit the preference of the user AE LIGHT A higher setting emphasizes the background of the original a lower setting on the other hand de emphasize the background of the original between 0 and 40 with the default at 20 upper right of Figure 7 00 AE DARK Ahigher setting will increase black a lower setting on the other hand will decrease black between 0 and 40 with the default at 20 Figure 2 241 Slide level dividing white area background and black area text may be changed under AE_ SLOP of ADJUST in service mode 3 ene Lower 4 Higher setting settin Degree 9 1 g White Higher setting 5 i Original 9 i Lower setting density histogram poor Signal level Dark g Light black N white Black Output May be adjusted under AE LIGHT of ADJUST in service mode 3 LP Dark Light E n Input white Text Background A White White May be adjusted Lower under AE_DARK ungu AE table Output Setting of ADJUST in pe service mode 3 I Higher setting Black Black Dark Light Dark Light black Input white black Input white Figure 2
109. ignal PILOT LED DRIVE command LAZER SCANNER MOTOR DRIVE command LAZER SCANNER MOTOR LOCK signal ONE TOUCH DIAL LOW DETECTION signal LASER DRIVE command MULTIFEEDER CLUTCH DRIVE signal MULTIFEEDER PAPER DETECTION signal MULTIFEEDER PAPER WIDTH signal MAIN MOTOR CLOCK signal MAIN MOTOR DRIVE command MULTIFEED ROLLER SOLENOID DRIVE command PRIMARY CHARGING ROLLER CLEANING SOLENOID DRIVE command PAPER DETECTION signal 1 PAPER DETECTION signal 3 VERTICAL PATH PAPER DETECTION signal 4 PAPER DETECTION signal 5 PAPER DETECTION signal 6 PAPER DETECTION signal 7 PRE CONDITIONING EXPOSURE LAMP LIT command RIGHT DOOR OPEN DETECTION signal REPICK UP ROLLER SECTION SOLENOID DRIVE signal REGIST CLUTCH DRIVE signal DRUM TEMPERATURE DETECTION signal SCANNER HOME POSITION signal SEPARATION STATIC ELIMINATOR ON command SAMPLE HOLD signal SOLENOID DRIVE signal 2 SIDE REGISTRATION PAPER DETECTION signal ANTI CONDENSATION HEATER SWITCH DRIVE command LIGHT INTENSITY SWO LIGHT INTENSITY SW1 TONER EMPTY signal FIXING THERMISTOR 1 signal FIXING THERMISTOR 2 signal UPPER CASETTE PAPER DETECTION signal ONT TOUCH DIAL UP DETECTION signal CASETTE CERTICAL PATH PAPER DETECTION signal WASTE TONER DETECTION signal C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 100V ONLY 1 Ei e J209 J214 J215 Door switch e e el bk P sj
110. ing mode Use it to mechanically adjust the pressure of the fixing film drive roller Execute it as part of adjust ment performed after replac ing the film Description In this mode the fixing film is rotated idly with the fixing tension roller being held in place after return ing the film to an appropriate position same as in FILMCOMEBACK While the fixing film is rotated idly the speed of displacement to the rear front of the film is measured and the result is indicated under FILM SPEED on the control panel Reference page FILM_INIT_ROTATE fixing film initial rotation mode Use it after replacement of the fixing film or the fixing assembly In this mode the fixing film will automatically stop at a specific position indicating the position under LOCATION from Top and LEVEL as it rotates FILM_COMEBACK fixing film displacement recovery mode Use it if E007 is indicted when the fixing film has become dis placed for some reason In this mode the film is returned to its proper posi tion The operation ends when the film has returned to the proper position or after a specific period of time has passed The rough adjustment range is not reached in 30 sec or the fine adjustment range is not reached in 60 sec ON TIME Indicates the period during which the fixing film sen sor has been ON ONE CYCLE Indicates the time taken by the fixing film to make a complet
111. inting trial shot VIDEO TEST Is the test print image normal Try replacing the FAX Motherboard and the CORE IP Board which affect printer images Is the Network Interface Board NIB installed YES Execute NIB test printing Print out the test print font list for the Printer Board Test print font list at 300 400 and 600 dip Disable the REFINE function and print out test print font list Are all test print images normal image at 400 dpi and the image with the REFINE Suspect a fault on the CIST Board Disconnect and connect the CIST Board and execute test printing 600 300 dpi which is subject to REFINE processing If the problem is not corrected replace the CIST Board Is the test print image normal Turn the main power switch OFF ON while paying attention to LED1 leftmost Check the following of the NIB NIB interface settings jumper connector settings Network configuration YES Options used by the user Does LED1 turn OFF in about 20 sec Re install the NIB and the Protocol Controller PCB Then turn OFF and then ON the main power switch while paying attention to LED1 leftmost on the NIB Make a correction Does LED1 turn OFF within about 20 sec YES Re install the F
112. is not generated within 2 sec after the laser has been turned on The BD signal cycle has a discrepancy The laser scanner motor fails to lock Laser scanner motor M3 faulty Laser scanner driver PCB faulty DC controller PCB faulty A specific speed is not reached after the laser scanner motor drive signal has been generated The speed deviates after it has reached a specific speed E190 The RAM has an error E191 An error has occurred in serial communication between the DC controller PCB and the composite power supply PCB The communication data is not updated for 8 sec or more The check sum of the communication data is different for three times in a row E202 No code indi cation Keys on con trol panel locked The scanner home position cannot be detected Scanner home position sensor PS1 faulty Scanner motor Faulty DC controller PCB faulty Scanning lamp error activation Scanning lamp faulty Composite power supply PCB faulty DC controller PCB faulty The scanner does not return to home position after it has started to move Activation of the lamp has been detected during standby Deactivation of the lamp has been detect ed during copying An error in the communication with the DC controller PCB has occurred DC controller PCB faulty Image processor PCB faulty An error has been detected in the commu nication between t
113. ixing film drive fixing film drive fixing film drive fixing film drive horizontal registration drive horizontal registration drive horizontal registration drive horizontal registration drive feeding fan drive exhaust fan 1 drive laser cooling fan drive PCB internal signal J114 A6 J114 A7 J114 A8 J114 A9 J109 10 J109 11 J109 12 J109 13 J115 3 J115 4 J115 5 J115 6 J107 A8 J107 A9 J113 B3 7 25 SERVICE MODE Address i Indication PC1 output set back motor drive J103 6 set back motor drive J103 7 set back motor drive J103 10 set back motor drive J103 11 duplexing unit inlet motor drive J105 B4 duplexing unit inlet motor drive J105 B5 duplexing unit inlet motor drive J105 B8 duplexing unit inlet motor drive J105 B9 delivery reversing motor drive J105 A6 delivery reversing motor drive J105 A7 delivery reversing motor drive J105 A10 delivery reversing motor drive J105 A11 bin 3 drive motor J104 11 bin 3 rive motor J104 12 bin 3 drive motor J104 13 bin 3 drive motor J104 14 G E Q S G o O scanner motor drive internal signal scanner motor drive PCB internal signal scanner motor drive PCB internal signal scanner motor drive PCB internal signal scanner motor drive PCB internal signal scanner motor drive PCB internal signal scanning reference signal PCB internal signal scanning reference signal PCB internal signa
114. just or enter the multi If you have replaced the image feeder paper width basic setting processor PCB be sure to enter the value recorded on MF A6R Indicates the stored A6R the service label 105mm value of the multifeeder For how to enter a new value paper width sensor after replacement of the paper 0 65535 width sensor see p 2 15 MF A4R Indicates the stored A4R 210mm value of the multifeeder paper width sensor MF A4 Indicates the stored A3 297mm value of the multifeeder paper width sensor 7 40 SERVICE MODE 2 Primary Charging Roller Transfer Charging Roller Developing Bias 3 ADJUST 02 PRI DC IMG XXXXX lt XXXXX PRI DC no IMG lt DVLP DC IMG XXXXX lt XXXX DVLP DC no IMG XXXXX lt XXXX TRNS IMG XXXXX lt XXXX TRNS no IMG XXXXX lt XXXX PRI AC IMG XXXXX lt XXXX PRI AC no IMG xxxxx lt XXXXX bb E JL Cok Item Description Remarks Settings PRI DC Indicates the primary charging DC out If you have replaced the image IMG put effective when an image is processor PCB be sure to exposed enter the value recorded on the service label PRI DC Indicates the primary charging DC out no IMG put between sheets DVLP DC Indicates the developing DC output IMG while an image is exposed DVLP DC Indicates the developing DC output 0 65535 no IMG between sheets TRNS Indicates
115. kept in mind 2 VRs that may be used in the field VRs that must not be used in the field 6 16 Caution Those VRs and check pins not shown of the lists are for factory use they require special instruments and high precision and must not be touched in the field en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 1 Image Processor PCB J502 Jens J504 J501 J561 J508 J527 SW501 J512 J505 J506 J514 J526 J560 J517 J516 J519 J518 Figure 6 608 E SW501 100V 120V 230V 230V AB Inch A AB Inch OFF ON OFF ON OFF ON OFF ON 1 Hn i M 2H 20 2 m 2 Bl swso1 3 E NE A 4 OL M sE 1 HE 1 n nm oH B e n Table 6 601 6 17 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS csi 2 DC Controller PCB LED100 Figure 6 609 LED100 Indicates the condition of the composite power supply PCB by varying ON OFF intervals For details see servic
116. l scanning reference signal PCB internal signal scanning reference signal PCB internal signal Not used re pick up clutch drive J122 6 pre exposure lamp drive J107 A12 Not used fixing heater relay drive J107 B9 image processor communica J111 35 tion signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used G E Q S O OG G S O 7 26 SERVICE MODE Address i Indication Jack Logic PCB internal signal PCB internal signal PCB internal signal primary charging roller clean J113 B2 ing solenoid counter 3 drive 115 230V J107 B8 model electrical unit fan drive option J112 9 exhaust fan 1 half speed PCB internal signal laser fan half speed PCB internal signal electrical unit fan half speed PCB internal signal exhaust fan 2 drive J107 B1 exhaust fan half speed PCB internal signal Not used Not used Not used Not used Not used 7 27 SERVICE MODE 3 CPU Input Output Ports of the DC Controller 2 VO DISPLAY 03 IP PAO XXXXXXXX IP PBO xxxxxxxx IP PCO Xxxxxxxx Ub C OK Address i Indication Jack PA0 primary charging DC bias J102 B9 switching developing bias DC application J102 B8 mode transfer output
117. ler Is the feeding roller of each cas sette holder deformed or worn Replace the deformed or worn feeding roller Try manual copying Does the multifeeder pick up roller start to rotate Go through the steps under Multifeeder pick up fails Registration roller drive assembly Does the registration roller operate normally Go through the steps under The registration roller fails to rotate Registration roller Vertical path roller Clean the registration roller and the vertical path roller Is the problem corrected Clean the roller if the problem is not corrected replace the deformed or worn roller Copy paper Pick up roller Try Canon recommend paper Is the problem corrected Advise the user to use recom mended paper Check the pick up roller for wear and deformation 5 3 TROUBLESHOOTING FEEDING FAULTS 2 Separation Feeding Assembly Cause Checks Yes No Action Transfer roller Is the transfer roller assembly installed securely NO Check the transfer roller assembly Copy paper Try Canon recommended paper Is the problem correct ed Advise the user to use recom mended paper Feeding belt Are the two feeding belts rotat ing properly Fixing Delivery Assembly Cause Checks Check the belt pulley Yes No Check the feeding belt for defo
118. ly 4 The copy has uneven density darker along front 5 The copy has uneven density lighter along front 6 The copy is foggy entire copy T i rn a T f T T t T T ER Too light T UNT ET wa ee zd asm a li 1 i 4 En sn i b 8 The copy has black lines feeding direction fuzzy thick T T 1 E 11 The copy has white lines feeding direction 12 The copy has white strips cross feeding direction feeding direction The copy has black lines feeding direction fine H a I VERE 15 The copy has displaced registration gt 16 The copy has displaced registration 17 The copy has displaced registration 13 14 The copy has poor fixing leading edge exiremaly excessive margin leading edge excessive leading edge no margin 18 The copy has blurred im TRA al ug OUR i E 3 d B 2 p 19 The copy is foggy cross feeding direction 20 The copy has poor sharpness 21 The copy is blank 22 The copy is solid black lm T T E 7 SERT Copies made
119. m bly label FILM LANK Decrease the setting of FILM LANK in service mode 3 Is the problem corrected End Fixing assem bly Is the problem noted in vertical direction Check the fixing film for scratches or wrinkles If any replace the fixing assembly Fixing heater DC controller PCB Thermistor 3 14 Open the MIN_TH screen in service mode 1 and press the Copy Start key Thereafter is the value of MAIN_TH 200 C or more See The fixing heater fails to turn ON Check the DC controller PCB and the thermistor 13 The copy has a displaced leading edge KE TROUBLESHOOTING IMAGE PROBLEMS Cause Step Checks Yes No Action 1 Is the feeder used YES Correct the problem by refer ring to the Service Manual for the feeder Original 2 Is the original set correctly NO Place the original correctly Pick up roller 3 Is the pick up feeding separa YES Check the rollers replace any Feeding roller tion roller of the cassette which worn roller Separation suffer from a displaced leading roller edge at the end of its life 3 4 Execute REGIST in service YES End REGST mode 3 Is the problem cor rected 5 Is the problem noted on the YES Check the lower fixing assem second side of two sided over bly lay copies only Registration NO Check and clean the following roller Pick up feeding guide Regis
120. n the connector J152 on the laser scanner driver PCB to the con nector J204 5 6 on the com posite power supply PCB Try replacing the following parts Laser scanner driver PCB Laser scanner unit DC controller PCB Laser scanner unit Replace the DC controller PCB Is the problem corrected 14 E190 RAM error Checks End Yes No Replace the laser scanner unit Action Turn OFF ON the main power Is the problem corrected YES End Image proces sor PCB DC controller PCB Execute IP CHK in service mode 4 Is OK indicated after execution NO Replace the image processor PCB End if the problem is corrected after turning OFF ON the main power supply If E190 is indicated replace the DC controller PCB 4 9 TROUBLESHOOTING MALFUNCTIONS HIN 15 E191 error in serial communication between DC controller PCB and com posite power supply PCB Checks Yes No Action Turn OFF ON the main power YES End Is the problem corrected Connector Is the connection between the NO Re connect them poor contact connector J102 on the DC con troller PCB and the connector J209 on the composite power DC controller supply PCB normal Try replacing the following PCB parts Composite DC controller PCB power supply Composite power supply PCB PCB 4 10 Gw TROUBLESHOOTIN
121. nd Replace the DC controller PCB 4 19 TROUBLESHOOTING MALFUNCTIONS HIN 33 The pre exposure lamp fails to turn ON Cause Checks Action Pre exposure lamp DC controller PCB Does the voltage between the connector J107 A11 and the connector J107 A12 on the DC controller PCB change from 0 V to 24 V when the Copy Start key is pressed Check the wiring from the DC controller PCB to the pre expo sure lamp if normal replace the pre exposure lamp The scanning lamp fails to turn ON Cause Checks Replace the DC controller PCB Action Scanning lamp Are both ends of the scanning lamp black Replace the scanning lamp Scanning lamp installation Is the scanning lamp installed correctly Re install it Connector poor contact Is the connection of the relay connectors J20 and J95 nor mal Further is the connection of the connector J802 on the composite power supply PCB normal Re connect it DC controller PCB Composite power supply PCB 4 20 Replace the DC controller PCB Is the problem corrected End Replace the composite power supply PCB KE TROUBLESHOOTING MALFUNCTIONS 35 The fixing heater fails to operate Checks Action Is E000 indicated See the descriptions for E000 Fixing heater driver
122. nded by Canon b Check if the paper is moist Try making copies using fresh paper 7 Checking the Periodically Replaced Parts a Check the periodically replaced parts against the Scheduled Servicing Chart and replace those that have reached the end of their lives 8 Others When a machine is brought from a cold to a warm place in winter its inside can start to suffer from condensation leading to various problems a Condensation on the original illuminating sys tem or the laser exposure system glass mir ror lens causes light or dark images b Condensation in the charging system can cause leakage c Condensation in the pick up system or on the feeding guide plate can cause feeding prob lems If condensation is noted dry wipe the part or leave the machine powered for 10 to 20 min utes Caution If uneven density difference in density between front and rear light images or fog ging is noted perform the Image Adjustment Basic Procedure first 3 1 TROUBLESHOOTING IMAGE PROBLEMS MENN 3 2 TROUBLESHOOTING IMAGE PROBLEMS 3 3 B Image Fault Samples Note The samples are made artificially to provide an idea of faulty copies and may not represent actual faults The NA 3 Test Sheet was copied in DIRECT mode on A4 paper and reduced for printing 2 The copy is too light both halftone and solid black 3 The copy is too light entire copy appreciab
123. nt image normal NO Re connect the CORE IP Board FAX Motherboard and FAX Board Execute FAX test printing trial shot VIDEO TEST Is the test print image normal Try replacing the FAC Motherboard and the CORE IP Board which affect printer images Suspect a fault in the party or the line 11 Test Printing age Processor PCB Test Printing FAX Board Test Printing Printer Board Font List 600 300 dpi Analog Image processor PCB CORE IP Board FAX Board Analog Image processor PCB CORE IP Board FAX Board Analog Image processor CORE I FAX Board processor processor processor PCB PCB PCB Image Rotation Image Rotation Image Rotation Binary y N CCD processor processing coding Memory processor EUER coding ccD processor Binary coding PCB 1 decodin 4 Processing 4 E Ratio g PCB Ratio decoding PCB Ratio decoding resolution resolution conversion conversion Protocol Protocol Controller Controller resolution conversion Protocol Controller Laser driver Printer Board System Print i Printer Board DA Density D A Density Mother D A Density conversion correction conversion
124. ntil the part is completely dry STANDARDS AND ADJUSTMENTS CHAPTER 2 STANDARDS AND ADJUSTMENTS A Mechanical Otherwise perform the following 1 Slide out the cassette to be adjusted 2 Remove the two screws 1 and remove the 1 Image Leading Edge Margin horizontal registration adjustment assembly 2 REGIST registration roller ON timing Select REGIST 4th screen in service mode 3 ADJUST and adjust so that the image lead ing edge margin is 2 5 1 5 mm in Direct Y 2 5 1 5mm Figure 2 201 Horizontal registration adjustment assembly 2 Left Right Registration front Figure 2 203 a Pick Up from the Cassette Check to make sure that the margin on the front side is 2 5 1 5 mm when paper is picked up 3 Loosen the hex screw and slide the horizon from each cassette tal registration plate toward the rear to adjust gt gt Ji 2 5 1 5mm lt rear nn 0 o NO Figure 2 202 Hex screw diameter 4mm Horizontal registration plate Hex screw Figure 2 204 2 1 STANDARDS AND ADJUSTMENTS Ew Caution To adjust try so that the L shaped notch on the inside of the horizontal plate and the appropriate scale notch match Figure 2 205 b Pick Up from the Multifeeder Loosen the screw and
125. of PS8 during Open the right door during standby Move the sensor lever during standby standby The lever is moved up The lever is returned The right door is closed The right door is opened The light blocking plate is present The light blocking plate is absent Display reading 1 1 0 1 0 Tester reading about 5 V about 0 V about 5 V about 0 V about 5 V about 0 V 2 23 STANDARDS AND ADJUSTMENTS awa PS11 PS12 PS13 Pre re pick up paper sensor PDP5 Duplexing unit inlet paper sensor PDP6 Delivery sensor PDP7 Tester probe J103 2 J105 B2 J105 A2 Service mode DC PCO bitO DC PCO bit1 DC PCO bit2 Make checks nor mal if as indicated Move the sensor flag of PS11 during Move the sensor flag of PS12 during Move the sensor flag of PS13 during standby standby standby The sen sor flag is down the light blocking plate is present The sen sor flag is up the light blocking plate is absent the sen sor flag is down the light blocking plate is present The sen sor flag is up the light blocking plate is absent The sen sor flag is down the light blocking plate is present The sen sor flag is up the light block ing plate is absent Display reading 1 0 1 0 1 0 Tester
126. on PI8 Paper detected Tray feeding assembly inlet slot 1 Paper detected sensor PI7 7 38 SERVICE MODE 8 Input Output Port 2 of the Sorter 2 VO DISPLAY 08 ST ADO xxH ST AD1 xxH ST AD2 xxH ST AD3 xxH ST AD4 xxH ST AD5 xxH ST AD6 xxH ST AD7 xxH MOGI b Multi Output Tray 1 2 Input Output Ports Address Indication Logic ST ADO 24V monitor ST AD1 Bin paper sensor PT1 Analog input ST AD2 Not used ST AD3 For factory R amp D ST AD4 Staple key 0 Key ON ST AD5 Push SW SW2 0 SW2 pressed ST AD6 Push SW SW1 0 SW1 pressed ST AD7 Staple absent 1 Staple absent 7 39 SERVICE MODE F 3 ADJUST adjustment mode Use this mode to fine adjust or set back up data needed for copying operations Each press on the key brings up the next screen each press on the key on the other hand brings up the previous screen Press the item you want to adjust or set notation to highlight Use the keypad to enter numbers e Press the key to accept the selected setting Record all new settings on the service label When done turn off and then on the main power switch 1 Fine Adjusting and Entering the Multifeeder Paper Width Basic Setting 3 ADJUST 01 MF A6R XXXXX MF A4R XXXXX lt XXXXX MF A4 XXXXX lt XXXXX X Co Description Remarks Settings Use it to fine ad
127. on signal Not used copier communication signal Not used Not used Not used 7 31 HA SERVICE MODE HI a Input Output Ports of the RDF 2 2 Address Indication DFPA PCB internal signal Not used PCB internal signal belt motor drive signal PCB internal signal feeding motor drive signal PCB internal signal pick up motor ON PCB internal signal ON PCB internal signal ON PCB internal signal NOOR WP PCB internal signal PCB internal signal PCB internal signal original detection LED PCB internal signal brake clutch paper retaining solenoid SL2 belt motor CW rota tion pick up motor CW rotation ON ON ON ON DF ExPA DF ExPB RON O NOOR OO N O push switch SW1 push switch SW2 push switch SW3 re circulation sensor S13 upper cover switch MS2 RDF switch MS1 PCB internal signal LED PCB internal signal LED CPB internal signal Not used Not used Not used Not used Not used Not used pressed pressed pressed paper present closed closed DF ExPO 7 32 O OIT OONN DDIP SW1 DIP SW2 DIP SW3 DIP SW4 DIP SW5 DIP SW6 DIP SW7 DIP SW8 HE SERVICE MODE b Input Output Ports of the ADF 1 2 Address Indication Logic DFP4 PCB internal signal ADF open closed sensor PI6 original sensor 1 registration
128. ontroller counter is faulty Cause Checks Yes No Action Connector poor contact Are the connectors of the com munication cable between the Copy Data Controller and the copier connected properly NO Connect the connector correct ly Communication cable open cir cuit Does the communication cable between the Copy Data Controller and the copier have an open circuit Replace the communication cable Copy Data Controller DC controller PCB Replace the Copy Data Controller Is the problem cor rected End Replace the DC controller PCB 10 E051 The horizontal registration home position detection mechanism is faulty Is the horizontal registration sensor PS14 normal Making Checks Open the right door and insert copy paper into the pick up feeding assembly through the lower feeding assembly While paying attention to CD PCO in service mode 2 move the inserted paper toward the rear Does the value under DC PCO change from 1 to 0 Go to step 3 Horizontal reg istration sensor PS14 faulty Horizontal reg istration motor connector poor contact Horizontal reg istration motor DC controller PCB Is the wiring from the connector J114 on the DC controller PCB to the horizontal registration sensor normal Is the wiring from the connector J115 on the DC controller PC
129. oping assembly lock ing Is the developing assembly locked against the photosensi tive drum during copying NO Check the locking mechanism of the developing assembly Developing assembly drive assembly Is the developing assembly rotating during copying Check the drive system of the developing assembly Developing assembly Is toner present inside the developing assembly toner sen sor assembly See The ADD TONER mes sage fails to turn ON Execute test printing using L TEST1 7 in service mode 4 Is the image on the pho tosensitive drum normal Go to step 11 Transfer charg ing assembly Is the transfer charging assem bly fully inserted Insert it securely Does leakage occur in the transfer charging assembly Check the transfer charging assembly Transfer high voltage cord DC controller PCB Is there an open circuit or poor contact on the transfer high voltage cord The cord is the one from the transformer 502 on the composite power supply PCB Replace the DC controller PCB Is the problem corrected Re connect it or replace the transfer high voltage cord Composite power supply PCB Power supply to CCD unit Replace the composite power supply PCB Is the problem corrected Is the voltage of the supply power to the CCD unit analog processor PCB as rated Check the power supply harness between the CCD unit and the composi
130. ower supply PCB Service switch Alelclalelclaale a CETITIITI IITFIPFEIIII TITIIII ITIITIITID cac EIS Tope WHEE 4 ele Bi Touch panel N ojojoj wt wt Ed wt 2 2 212 amp amp amp t ojo wait ziz ele 06r ale wit ele aa ATN40 One touch dia A 5 General Circuit Diagram 4 4 H Y J214 1 J214 2 J214 3 tsy OVA 12v 3 000 0000 J1002 J1003 CHECK Analog processor PCB Beam detection DC controller PCB POWER J1001 SUPLLY R 0000000000000000000000000 m mv D wi D n Oi a du al un d as A w ua A A z 9 9 al Sila of S S a x 9 lt lt lt lt lt lt lt a els SEE zs 311518121818 EN SS SIS gt Ig gt n ka z Md Od Od od r vekk dv VGESESRESRESESR RT M QS 3 RE DES 0000 1000000000 0000 MTT 11111115 J680 CHECK 00000 224640000000 III 000 CID 000 0000 66666666 200 2 z P FLASH CRIP EDITER 2leleE els ele e sue sgle HEMERY ane olejolclo 3 vi Soe ON OFF LED SIG KETURON CNV ovo CNV SIZEV OVD SIZEV ovo SIZEv 0524 Ovo J216 1 J216 5 h To 7
131. paper detection PS12 delivery paper detection PS13 bin 2 paper detection bin 3 paper detection bin 3 inlet paper detection horizontal registration paper detection PS14 bin 3 tray position detection lower feeding assembly ID lower feeding assembly inlet unit ID Multitray 3 ID Not used Not used Not used Not used Not used main motor drive laser scanner motor drive registration clutch drive multifeeder pick up clutch vertical path roller clutch developing clutch pick up roller DOWN solenoid multifeeder holding plate releasing solenoid counter 1 drive counter 2 drive cassette pedestal communica tion signal bin 3 shift tray drive re pick up paper deflecting plate solenoid paper dellecting plate 2 sole noid delivery assembly paper deflecting plate solenoid bin 3 flapper solenoid J103 2 J105 B2 J105 A2 J104 4 J104 5 J104 6 J114 B2 J104 7 J114 B6 J112 7 J114 B11 J114 B9 J114 A4 J113 B14 J114 A5 J114 B13 J107 B4 J107 B6 J106 11 J104 8 J103 5 J104 9 J105 A5 J104 10 0 0 0 m OO SERVICE MODE paper present paper present paper present lower feeding assem bly present lower feeding assem bly inlet present Multitray 3 connected rotates rotates ON G E pick up motor drive pick up motor drive pick up motor drive pick up motor drive f
132. power Is the problem corrected End Connector Is the connection of the con poor contact nector J111 on the DC con troller PCB and the connector J509 on the image processor PCB good Connect the connector proper ly DC controller Replace the DC controller PCB PCB Is the problem corrected Image proces sor PCB End Replace the image processor PCB sor PCB 19 E243 error in communication between control panel and image proces Checks Turn OFF ON the main power supply Is the problem correct ed Yes No Action Connector Is the connection of the con poor contact nector J517 on the image processor PCB and the con nector J905 on the control panel good Connect the connector proper ly Control panel Replace the control panel Is the problem corrected Image proces sor PCB 4 12 End Replace the image processor PCB TROUBLESHOOTING MALFUNCTIONS 20 E261 zero cross error Checks Yes No Action Connector poor contact DC controller PCB Composite power supply PCB Turn OFF ON the main power supply Is the problem correct ed Is the connection of the con nector J102 on the DC con troller PCB and the connector J209 on the composite power supply PCB good Replace the DC controller PCB Is the problem corrected YES Connect the connecto
133. pply PCB SCOONDOIRWN 4 16 HE TROUBLESHOOTING MALFUNCTIONS EH 27 The photosensitive drum fails to rotate Checks Yes No Action Drum unit installation Drum drive assembly Is E010 indicated Try re inserting the drum unit Is the problem corrected YES See the descriptions for E010 End 28 Pick up fails pick up from the cassette Checks Yes No Remove the drum drive assembly and correct or replace the parts as neces sary Action Does the Add Paper message fails to turn OFF YES See The Add Paper message fails to turn OFF Cassette installation Slide out and then in the cas sette Is the problem correct ed YES End Pick up roller Has the pick up roller made more copies than it its designed for Replace the pick up roller Pick up motor Fuse Fu 1601 on pick up PCB Replace the pick up motor Is the problem corrected End Check the fuse Fu 1601 on the pick up PCB if normal go to the next step DC controller PCB Is the leading edge of the copy paper as far as the registration roller See the registration roller fails to rotate DC controller PCB Pick up assem bly Try replacing the DC controller PCB Is the problem corrected End Replace the pick up
134. pply PCB 24V output error Turn OFF ON the main power switch Is the problem correct ed Scanning lamp Does the scanning lamp Ifthe lamp does not turn remains OFF or turns ON but is ON see The scanning dim when the Coy Start key is lamp fails to turn ON pressed If the lamp turns ON check it to see if its both ends are black if so replace the lamp DC controller Replace the DC controller End PCB PCB Is the problem corrected Composite Replace the composite power power supply supply PCB PCB 4 14 TROUBLESHOOTING MALFUNCTIONS EH 25 AC power is absent Cause Checks Yes No Action Error code Is an error code indicated when the main power switch is turned ON YES See the description for the error code indicated Power plug disconnected Is the power plug connected to the power outlet Connect the power plug Main power supply absent Is the rated voltage present at the power outlet The problem is not of the copi er Advise the user Wiring Noise filter Is the wiring from the power supply cord mount to the com posite power supply PCB nor mal Correct it Check the fuse of the noise fil ter If blown replace the fuse Main power switch Noise filter AC line Disconnect the power plug from the power outlet and con nect the tester probes to both terminals fas
135. r CNT3 open cir cuit DC controller PCB faulty A check is made immediately before the counter turns on and off Normal if the counter drive signal is 0 when the counter turns on The copy data controller counter is faulty Communication counter data between Copy Data Controller and copier DC controller PCB faulty The count data is not detected by the Copy Data Controller within a specific period of time after the copier has gener ated the copy start signal 8 2 The horizontal registration home position detection mechanism fails Horizontal registration sensor PS14 faulty Horizontal registration motor 9 faulty DC controller PCB faulty The home position is not detected after generation of the horizontal registration drive signal Main cause The high voltage primary charg ing transfer charging developing output is faulty Composite power supply PCB faulty DC controller PCB faulty Wiring faulty short circuit open circuit SELF DIAGNOSIS Description The difference between the high voltage control signal and the actual high voltage output is more than a specific value Any of the primary charging roller transfer charging roller and developing bias has an output error A BD error has occurred Laser unit faulty BD PCB faulty Laser driver PCB faulty mage processor PCB faulty The BD signal
136. r proper ly End 21 E310 The scanning lamp is poorly adjusted Checks Yes No Replace the composite power supply PCB Action Press the Copy Start key Does the scanning lamp turn ON NO See The scanning lamp fails to turn ON Connector poor contact Is the wiring from the connector J112 on the DC controller PCB to the scanning lamp intensity sensor normal NO Correct it Intensity sensor soiled Clean the photo face of the intensity sensor Is the problem corrected Intensity sensor DC controller PCB Replace the intensity sensor Is the problem corrected End Replace the DC controller 4 13 TROUBLESHOOTING MALFUNCTIONS HI 22 E710 E711 E712 E713 E716 IPC communication error Checks Yes No Action Turn OFF ON the main power YES End supply Is the problem correct DC controller ed NO Replace the DC controller PCB PCB 23 E717 error in communication with Copy Data Controller Checks Yes No Action Clear E717 by executing YES ERROR in service mode 4 thereafter turn OFF ON the main power supply Is the prob lem corrected Copy Data Replace the Copy Data End Controller Controller Is the problem cor rected DC controller Replace the DC controller PCB PCB 24 E803 composite power su
137. ration belt leading edge of an original 1500 ms feeding roller and after pick up pick up roller stop immediately The RDF stops after delivering the copy of the advance orig inal 7 11 SERVICE MODE Kwa Type Sensor Conditions RF operation Paper stopper plate override 57 The original has ridden over the paper stopper plate when the origi nal was set Stops immediately upon detection Different number of Originals after jam removal The number of originals on the orig inal tray changed as follows Number of originals copied Number of originals gt set on tray See Supplement Stops immediately upon detection Wrong number of origi nals The last original cannot be detected because the re circulating lever does not fall through the original tray Reference Normally the original tray holds 50 sheets of A5 STMT A4 B5 or LTR or 25 sheets of A3 B4 11 x17 or LGL Stops after counting the 100th original Original forced off The re circulating lever dropped through the original tray while an original was being processed Stops immediately upon detection Wrong original size The original that has been picked up is of a non default size Stops immediately upon detection Wrong original size or mixed sizes in image composition mode See Note 1 The original is of a size t
138. rd glass and place the generated pattern print on the copyboard glass against the V marking at the rear left You must place the pattern print correctly or correct adjustment will not be possible Place the pattern print as shown When the pattern print is placed reversing left right its orientation the image becomes appreciably light Printed side down Figure 2 227 2 14 18 Press DENSITY SAMPLING to highlight then press the OK key The scanner makes 13 scans 19 At the end of the operation check to make sure that the values under A B and D on the LCD are as follows If the values are not as shown start over at step 7 since the adjustment may have been wrong Reference A B and D are approximate values so that optimum images may still be obtained even if the values are outside the range you may omit temporary remedy as long as the images are optimum For PD and 200PWM 20 lt A lt 50 40 lt lt 40 0 lt 0 lt 8 B For 600PWM 20 lt A lt 60 70 lt lt 20 0 lt D lt 8 20 Check the above and press DATA SET to highlight then press the OK key This will set the values under A B and D which have been measured 21 Press the Page key and execute 200PWM density auto adjustment Follow the same steps starting with step 9 to execute the mode 22 When 200PWM density auto adjustment is over execute 600PWM density auto adjus
139. reading No about 5 V about 0 V about 5 V about 0 V about 5 V about 0 V PS14 Name Horizontal paper sensor CRGPD Tester probe J114 B2 Service mode Make checks nor mal if as indicated DC PCO bit6 Open the right door and insert copy paper into the re pick up paper path during standby then inside the copy paper toward the rear Before sliding the copy paper toward the rear When the copy paper is slid toward the rear Display reading 1 0 Tester reading 2 24 about 5 V about 0 V Isolating the PCBs printer image fault The printer image is faulty Make a copy using the copier only Is the copy image normal Execute test printing in service mode Is the test print image normal Suspect a fault in the image formation system including the image processor PCB Make a correction according to the appropriate instructions in the Service _ Suspect a fault in the reading system mirror lens CCD analog processor PCB etc Make a correction according to the appropriate instructions in the Service Manual Is the FAX Board installed Execute FAX test printing e trial shot VIDEO TEST Is the test print image normal Re connect the CORE IP Board FAX Motherboard and FAX Board Execute FAX test pr
140. results Transfer guide High voltage cord High voltage transformer DC con troller PCB Developing assembly Set the feeding assembly in the feeding position and measure the resistance between the transfer guide and the mount metal portion of the transfer charging assembly rail Is the resistance 0 Is the developing assembly properly installed Check to make sure that the developing rolls are in firm contact with the photosensitive drum Check if the transfer guide should be in contact with a metal portion e g side plate of the feeding assembly 1 Check the high voltage cord for electrical continuity 2 Check the high voltage transformer DC controller PCB Re install the developing assembly Toner detecting assembly Is there toner in the developing assembly 1 Check the toner sensor 2 Check the connector and the harness for electrical continuity Drum unit Image proces sor PCB Analog proces sor PCB Replace the drum unit Is the problem corrected End Try replacing the image processor PCB or the analog processor PCB Gw TROUBLESHOOTING IMAGE PROBLEMS 3 The copy is too light overall considerably Checks Yes No Action Perform the Image Adjustment Basic Procedure Is the prob lem corrected YES End The image will become appre ciably light if the pattern print is placed in reverse left
141. rker ON laser control laser control for editing board PAD OFF for editing board power SW1 I laser control area signal switching 1 w editing board installed OI OO N O Not used Post ratio change reversal switching NO 7 23 SERVICE MODE 2 Inputs to and Outputs from the DC Controller PCB 2 VO DISPLAY 02 DC PAO xXXXXXXXXXXXXXXX DC PBO xxXXXXXXXXXXXXXX DC PCO XXXXXXXXXXXXXXXX DC 1 XXXXXXXXXXXXXXXX Guide to the Screen DC PB1 xxXXXXXXXXXXXXXX DC PC1 xxXXXXXXXXXXXXXX DC PAO XXXXXXXXXXXXXXXX DC PA2 xXXXXXXXXXXXXXXX DC 2 XXXXXXXXXXXXXXXX bit 15 bit 0 DC 2 XXXXXXXXXXXXXXXX OOS CX Address o ct Indication Jack Logic PAO input J109 3 J113 B9 J113 A11 J113 A5 J109 6 J114 10 J114 A11 J114 A12 J114 A2 J113 A8 J113 B6 J117 7 J114 B7 J112 6 film detected closed paper present paper present paper present paper not present paper not present paper present paper present right door close waste toner full toner present locked locked OQ1 O N O Or J110 2 J110 3 J110 4 J110 5 J110 6 J110 8 J110 9 J110 10 J110 11 J110 12 7 24 Address 0 1 2 3 4 5 6 7 8 9 10 de de CD N Indication re pick up unit front paper detection PS11 duplexing unit inlet
142. rmation and wear Action Delivery assembly sepa ration claw Is the separation claw worn or deformed YES 1 Replace the separation claw 2 If dirt is found use solvent Fixing lower roller Fixing film Is the fixing lower roller or the fixing film deformed or scratched Replace the roller the film Paper guide Fixing assembly Is the paper guide soiled with toner Use solvent Delivery sen sor lever Does the delivery sensor lever move smoothly Adjust so that it moves smoothly Delivery sen sor PS13 Is the operation of the delivery paper sensor normal See the descriptions on how to check photointerrupters Replace the sensor Delivery assembly Delivery roller drive assembly Leading edge margin 5 4 Does the delivery roller move smoothly Check the delivery roller drive assembly Check the leading edge of copy paper if there is a margin KE TROUBLESHOOTING FEEDING FAULTS 4 Lower Feeding Re Pick Up Assembly Cause Checks Action Paper deflect ing plate 1 drive assembly Is the paper deflecting plate 1 of the delivery assembly oper ating Check the paper deflecting plate 1 drive assembly Lower feeding assembly inlet drive assembly Is the operation of the lower feeding assembly inlet motor roller normal Clean the lower feeding roller Check the drive assembly PS1
143. rom the cassette 4 L CAST5 Indicates the large size copy count from the cassette 5 L CAST6 Indicates the large size copy count from the cassette 6 7 77 SERVICE MODE 6 COUNTER 02 L OVLY TRAY xxxxx L DUP TRAY S TOTAL XXXXX S MULTI xxxxx S CAST1 XXXXX S CAST2 XXXXX S CAST3 XXXXX S CASTA XXXXX S CAST5 XXXXX S CAST6 XXXXX C IK Indication Description L_OVLY_TRAY Indicates the large size overlay copy 2nd side pick up count L_DUP_TRAY Indicates the large size two sided copy 2nd side pick up count S_TOTAL Indicates the small size copy print count S_ MULTI Indicates the small size multifeeder pick up count S_CAST1 Indicates the small size copy count from the cassette 1 S_CAST2 Indicates the small size copy counter from the cassette 2 S CAST3 Indicates the small size copy counter from the cassette 3 S CAST4 Indicates the small size copy counter from the cassette 4 S_CAST5 Indicates the small size copy counter from the cassette 5 S_CAST6 Indicates the small size copy counter from the cassette 6 7 78 Indication 6 COUNTER 03 S OVLY TRAY xxxxx S DUP TRAY xxxxx COPY L PRINT xxxxx FAX L PRINT xxxxx PDL L PRINT xxxxx ETC L PRINT xxxxx COPY S PRINT xxxxx FAX S PRINT xxxxx PDL S PRINT xxxxx ETC S PRINT xxxxx L P5 C JL Description SERVICE MODE S OVLY TRAY S DUP TRAY COPY L PRINT FAX L PRINT PDL L PRINT ETC L P
144. rrec tion in service mode 4 After replacing the composite power supply PCB After replacing the laser unit After replacing the CCD unit After replacing the analog processor PCB Work Open the front door and insert the handle of the separation static eliminator cleaning brush into the fixing assembly releasing opening Separation static eliminator cleaning brush Figure 2 220 2 12 2 3 4 5 Insert the door switch actuator into the door switch assembly Push the service switch with a hex key will be indicated in the upper left corner of the LCD Press the key twice The Service Mode Menu screen will appear SERVICE MODE 1 DISPLAY 2 DISPLAY 3 ADJUST 4 FUNCTION 5 OPTION 6 COUNTER 7 ACC 8 FAX Figure 2 221 Press FUCNTION 4 on the Menu screen to highlight then press the OK key Press the Page key D D to bring up the Shading screen 3rd screen 3 FUNCTION 03 AUTO SHEADING START Ok Now H LAMP H GD2 CDA3 H CDA4 H ADDA5 H D ODD H D EVN Figure 2 222 WB H WP GDA1 Press AUTO SHADING on the LCD to high light then press the OK key shading auto correction will be executed In a while Now ENDT will appear on the screen to indicate the end of shading correc tion ee STANDARDS AND ADJUSTMENTS 3 Copy Density Auto Correction
145. rum Re install the developing assembly 1 Check the developing assembly 2 Check the developing bias 3 7 TROUBLESHOOTING IMAGE PROBLEMS 4 The copy is foggy overall Cause Checks Yes No Action Scanner dirt Clean the scanning lamp reflecting plate mirror lens and dust proofing glass Is the problem corrected YES Perform the Image Adjustment Basic Procedure Is the prob lem corrected Execute FUNCTION 15 in ser vice mode 4 SERCT_GAMMA_NUM MEASURE Open the 4 FUNCTION 15 screen and press the Copy Start key Check the following SERCT_GAM MA_NUM AGC_MEA SURE 28 00 28 1 36 5uA 36 6 43 00 43 1 Is the value too different from the above Set AGS NON of OPTION 5 TO 1 If the resulting image is good keep the setting to 1 as an emergency remedy However be sure to take prop er action as there may be a problem on the image proces sor PCB or the DC controller PCB Developing assembly Is the developing cylinder insu lated from GND of the machine Turn off the main power supply and disconnect the connector J205 on the composite power supply PCB Check electrical continuity between the connec tor J205 1 on the developing assembly side and the side plate of the machine Check the developing cylinder
146. scription Reference page PD density auto correction 1 Press PD PRINT to highlight then press the See p 2 13 Copy Start key A 15 gradation test pattern will be generated 2 Place a blank sheet of paper the whitest of all used by the user no color copier paper allowed on the copyboard glass then press WHITE MEASURE to highlight and press the OK key The scanner makes a single scan 3 Replace the paper with the test pattern generated previously then press DESNITY MEASURE to highlight and press the OK key Printed side down 4 Check the values under A B and D 20 lt A lt 50 40 lt B lt 40 0 lt D lt 8 5 If the values are as indicated press DAT SET to highlight and press the OK key 7 54 SERVICE MODE 5 200PWM Density Auto Correction You must execute this mode in combination with PD density auto correction and 600PWM density auto correction 4 FUNCTION 05 gt 200PWM PRINT START WHITE MEASURE OK DENSITY SAMPLING Ok DATA SET B xxx D xxx XX XX XX XX XX XX XX XX XX XX XX MULTI 0 gt CASSETTE1 4 1 CASSETTE2 4 1 44 gt gt OK Item Description Reference page 200PWM density auto correc 1 Press 200PWM PRIT to highlight and press the tion Copy Start key A 15 gradation test pattern will be generated 2 Place a black sheet of paper whitest of all used by t
147. selected for indication FLSC standing for FOOLSCAP OFFI standing for OFICIO standing for Ecuadorian OFICIO LGL standing for Argentine LEGAL OFFI standing for Bolivian OFICIO OFFI standing for Argentine OFICIO SERVICE MODE 4 Setting the Mode of Notation for the U2 through U8 Cassettes universal cas settes 2 through 8 5 OPTION 4 CST U2 U2 CST U3 U3 CST U4 U4 CST U5 05 CST U6 U6 CST U7 U7 CST U8 U8 EP Function Description Use it to turn on off the U 0 If the paper size dial of the cassette is set size cassette name to U2 through U8 U1 U8 will be indicated on the LCD If the paper size dial of the cassette is set to U2 through U8 the following will be indi cated Paper Notation U2 03 U4 U5 U6 U7 U8 7 75 SERVICE MODE 5 Setting the Mode of Notation for the LTR LTRR Cassette 5 OPTION 5 CSTLTR 0 LTR 0 0 1 CST LTRR 0 LTRR 0 lt 0 1 A LTRR Ct X IK Function Description CST LTR Use it to select the paper If the paper size dial of the cassette is set name notation for the to LTR LTR will be indicated on the LCD LTR size cassette If the paper size dial of the cassette is set to LTR LTR will be indicated to stand for Argentine LETTER CST LTRR Use it to select the paper If the paper size dial of t
148. sensor PI2 cover open closed sensor PI3 4 delivery sensor PI5 ADF closed paper present paper present open paper present O1 RON O PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal 0 1 2 3 4 5 NO main motor drive A main motor drive main motor drive B main motor drive B motor current control paper stopper plate solenoid SL1 stamping solenoid SL2 PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal ON ON N O O1 OO original leading edge signal PCB internal signal original indicator LED drive LED4 Not used Not used PCB internal signal PCB internal signal PCB internal signal communication signal 1 ON OI OONN DIP SW 1 DIP SW 2 DIP SW 3 DIP SW 4 DIP SW 5 DIP SW 6 push switch 2 push switch 1 7 33 SERVICE MODE KWwwwi b Input Output Port of the ADF 2 2 Address o Indication DFPB PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal O OO N O original width detection 2 original width detection 1 original width detection 3 original width detection 4 original length detection 1 PI9
149. size Copies min Direct A3 297 x 420mm A4 210 x 297mm AAR 297 x 210mm A5 148 5 x 210mm 5 210 x 148 5mm B4 267 x 364mm B5 182 x 257mm B5R 257 x 182mm gt A5 gt B5 gt A4 B4 gt B5 4 gt A4 B5 gt A5 A3 gt B4 A5 gt B5 Enlarge A5 gt A4 gt B5 gt B4 A4 gt B4 A5 gt B5 B4 gt B5 gt B4 Copying Speed copier only A 11 APPENDIX Ratio Copies min DIRECT 20 11 14 STMT STMFR LGL 11x17 3 LGL 11x17 gt 11x15 gt LTRR ENLARGE LGL gt 11x17 LTR R gt 11x17 STMTR gt 11x17 Copying Speed copier only Specifications subject to chanfge for product improvement A 12 APPENDIX E LIST OF SPECIAL TOOLS The following are special tools used to service to copier use them in addition the standard set of tools Tool Name Tool No Remarks Digital FY9 2002 000 Use it to check the Multimeter power Door switch TKN 0093 actuator Mirror positioning FY9 3009 040 For adjusting the tool front rear distance between No 1 and No 2 mir ror mounts NA 3 Test sheet FY9 9196 000 use it to adjust check images Standard White FY9 3004 000 For shading cor paper rection 20 sheets pack
150. t at The problem is not of the copier the power outlet Advise the customer as such Is the rated voltage present Go to step 6 between J1 1 and 2 near cord plate BI To find out the cause problem part of a single problem refer to the item under Cause Fault For AC power is absent the cause may be the power plug covers power source or others M To find out the checks to make or remedies to provide for a single problem refer to the Checks and Remedies make checks answer to the questions YES or NO and provide remedies accordingly If the answer is otherwise proceed to the next step lt Step gt lt Check gt lt Answer gt lt Remedies gt Is the power plug NO Connect the power 1 connected to the gt plug power outlet YES Are the front door NO Close the door or 2 and delivery cover gt the cover closed properly YES The problem is not Is the rated voltage NO gt of copier Advise present at the power the customer as such M Checks on the voltage using a meter call for special note the description Check the voltage between J109 1 and J109 2 on the DC controller PCB means that the positive probe of the meter should be placed on J109 1 and the negative probe on J109 2 CONTENTS CHAPTER 1 MAINTENANCE AND INSPECTION A IMAGE BASIC ADJUSTMENT B POINTS TO NOTE FOR SCHEDULE
151. t proofing glass Is the image corrected End Replace the drum unit 3 5 TROUBLESHOOTING IMAGE PROBLEMS The copy is too light including solid black Checks Yes No Action Perform the Image Adjustment Basic Procedure Is the prob lem corrected YES End The image will become appre ciably light if the pattern print is placed in reverse left right ori entation Be sure to place it in correct orientation Turn off the power switch in the middle of copying operation and open the front door Is the toner image on the surface of the photosensitive drum more or less normal Go to step 9 gt 5 no C Development fault Transfer roller unit Is the transfer roller unit proper ly installed Does leakage occur in the transfer roller unit Install the transfer roller unit securely Check the transfer roller unit Is there dirt cracks or scratch es on the transfer charging roller Replace the transfer charging roller Is the position and condition of the transfer charging roller pressure spring normal Correct the position of the spring or replace the spring Copy paper Try fresh copy paper Is the image darker The paper may be moist advise the user on the cor rect method of storing paper Advise the user that the use of non recommended paper may not bring about the best
152. tate tion signal has been generated and the state of the stapling home position sensor MS7 does not change within 1 sec after the stapler motor CCW rotation signal has been generated thereafter The stapler position sensor PI4 does not turn off within 1 sec after the stapler swing motor M5 has been generated The bin shift motor M1 does The lead cam home position sensor PI1 not rotate does not turn off within 1 sec after the bin shift motor drive signal has been generat ed PI1 does not turn on within 1 sec after has turned off The IC Q7 on the tray controller An error has occurred in the communication PCB or the communication IC between the multi tray and the copier Q11 does not operate normally Operation in Response to an Error 1 The copier s message display indicates TURN ON POWER 2 When the copier s power has been turned off and then on the copier will reset the error if the results of self diagnosis it has run are good It will indicate an error code if any error is detected Copier Operation with an Error Code On 1 The copier indicates E5XX or E713 2 The copier allows making copies when the multitray is detached from it 3 The copier will indicate a message if modes requiring the use of the multi tray is selected Turn off the joint sensor MS3 feeding the multitray from the copier you need not disconnect the communication connector connecting to the copier
153. te power supply PCB if nor mal replace the CCD unit Check the composite power supply PCB Laser unit Image proces sor PCB Drum unit Remove the developing assem bly and make a solid black copy At this time is a laser beam hitting the photosensitive drum Replace the laser unit 2 Replace the image proces sor PCB Replace the drum unit 3 19 TROUBLESHOOTING IMAGE PROBLEMS 18 The copy is solid black Cause Step Checks Yes No Action Scanning lamp 1 Does the scanning lamp NO See The scanning lamp fails remain ON during copying to turn ON Primary charg 2 Are the contact and the con NO Re connect it ing assembly nection from J205 3 on the composite power supply PCB to the primary charging assem bly normal 3 Execute test printing using L NO Go to step 5 TEST1 7 in service mode 4 Is the image on the pho tosensitive drum normal at the time DC controller 4 Connect the tester probe to NO Replace the DC controller PCB J102 B5 on the DC con PCB troller PCB is Is 0 V during Composite copying YES Replace the composite power power supply supply PCB PCB Image proces 5 Execute IP CHK in service NO Replace the image processor sor PCB mode 4 Is OK indicated as PCB a result CCD unit YES Replace the CCD unit 3 20 Gw TROUBLESHOOTING MALFUNCTIONS CHAPTER 4 TROUBLESHOOTING MALFUN
154. the third icon from the middle row SCAN_SEL FAX_DOC_FEED Use it if parts of an image are missing in main scan ning direction on large size papers when using the feeder and copying a non default original use it to switch reading patterns for RDF G1 fax originals Nomal copying mode Priority on paper mode Center reference output prevents missing images The topmost page of the stack of originals will be picked up and read first and dis charged on the right The bottommost page of the stack of origi nals will be picked up and read first and returned to the original tray Same way as copying 7 73 SERVICE MODE 3 Setting the Mode of Notation for the U1 Cassette universal 1 cassette 5 OPTION 3 CST U1 U1 0 0 lt 0 CST U1 0 FLSC 0 lt 0 OF I E OFI A LGL B OFI A OFI IL Function Description Use it to turn on and off the U size cassette paper name 0 If the paper size dial of the cassette is set to U1 U1 will be indicated on the LCD 1 If the paper size dial of the cassette is set to U1 the abbreviation selected in the fol lowing item will be indicated on the LCD 7 74 0 FLSC 1 OFI 2 E OFI 3 A LGL 4 B OFI 5 A OFI Use it to specify the U1 size cassette paper name abbreviation If 1 is set for the previous item one of the fol lowing may be
155. the transfer charging DC out IMG put while an image is exposed TRNS Indicates the transfer charging DC out no IMG put between sheets PRI AC Indicates the primary charging AC out IMG put while an image is exposed PRI AC Indicates the primary charging AC out no IMG put between sheets 7 41 SERVICE MODE 3 Back Up Data for the Composite Power Supply PCB 3 ADJUST 03 AGS GAIN 1 XXXXX lt AGS OFST XXXXX lt PRI DC OFST xxxxx lt PRI AC OFST1 xxxxx lt PRI AC OFST2 xxxxx lt TRNS OFFST xxxxx lt FL OFST XXXXX lt DEV DC OFST xxxxx lt XXXXX XXXXX XXXXX gt X X X gt lt XXXXX XXXXX XXXXX SoS SS gt gt gt gt bb C OK Item Description Label Remarks Settings AGS GAIN Indicate APVC gain APVC GAIN If you have replaced the com AGS OFST Indicates APVC offset APVC OFST posite power supply PCB be sure to PRI DC Indicates primary charging DC offset PDC OFST enter the value OFST recorded on the label attached to PRI AC Indicate primary charging AC offset 1 OFST1 the composite OFST1 power supply PCB see P7 3 PRI AC Indicates primary charging AC offset PAC OFST2 OFST2 2 TRSN Indicates transfer charging offset ATVC OFST OFFST FL OFST Indicates scanning lamp offset FL OFST DEV DC Indicates developing bias DC compo DDC O
156. ting the Mirror Position optical length between No 1 and No 2 No 3 mirrors Caution Use the mirror positioning tool FY9 3009 040 Use it after relocating the pins Initial pin positions FY9 3009 040 Pin positions adapted to GP215 GP200 Figure 2 208 KOH Attach the o longest pin to 1 GE c Attach the shortest pin 3 lt gt lt Front gt Figure 2 208 1 r Note The pin of the mirror positioning tool FY9 3009 040 will not be used for the machine 2 4 ee STANDARDS AND ADJUSTMENTS 1 Loosen the metal fixing of the scanner cable by turning the screw 2 Set the mirror positioning tool adapted as shown to the No 1 mirror mount and the No 2 mirror mount For rear For front Figure 2 209 3 Install the metal fixing of the scanner cable to the No 1 mirror mount with a screw 4 Remove the mirror positioning tool d d Figure 2 210 etal fixing 2 5 STANDARDS AND ADJUSTMENTS Ew 6 Installing the Scanning Lamp Install the scanning lamp with the following in mind 1 Make sure that the side with the manufactur er s name is toward the rear of the machine 2 Make sure that the transparent side of the lamp faces the reflecting plate 3 Do not touch t
157. tion static eliminator cleaning brush 6 Press the OK key to bring up the first screen Figure 7 701 of the selected screen 2 Insert the door switch actuator into the door 2 Keys switch assembly If you want to execute a specific mode such You will be using the following keys as I O display while making copies see the DD Page Forward key press it to bring up appropriate copying modes the next page I Page Back key press it to bring up the previous screen OK OK key press it to accept a setting or execute an item CANCEL Cancel key press it to bring up the high order menu screen key press it to move down the levels key press it to move up the levels Door switch actuator Figure 7 702 3 Press the service switch with a hex key will appear in the upper left corner of the LCD indicating that the machine has start ed service mode 7 2 KE SERVICE MODE C Using Adjustment Mode and Settings Mode In adjustment mode 3 ADJUST and in settings mode 5 OPTION the settings changed select ed on the control panel are stored in RAM on the image processor PCB and operation control is execut ed according to the settings These settings will be stored permanently when the main power switch is turned off and on after execution The factory default settings of adjustment mode 3 ADJUST are recorded in the label Figure 7 00 Be sure to record any new
158. tment Follow the same steps starting with step 9 to execute the mode 23 Press the Reset key twice to end service mode If the values under A B and D are not as indi cated after executing copy density auto correc tion several times and in addition optimum images cannot be obtained you may perform the following as a temporary remedy The temporary remedy will enable normal copy ing however since the image quality will lower be sure to correct any fault as soon as possible and execute copy density auto correction once again Possible Faults Drum unit Scanning lamp Laser unit Composite power supply PCB Analog processor PCB Image processor PCB ee STANDARDS AND ADJUSTMENTS 4 Registering the Multifeeder Paper Width Basic Values You must register the multifeeder paper width basic values whenever you have replaced the multifeeder paper width detecting VR 1 Replace the paper width detecting VR 2 Open the front door and insert the handle of the separation static eliminator cleaning brush into the fixing assembly releasing assembly 3 Insert the door switch actuator into the door switch assembly 4 Press the service switch with a hex key 5 Press the key twice 6 Press FUNCTION on the screen 4 to highlight then press the OK key 7 Press the Page key to bring up the Multifeeder Paper Width Basic Values Registration screen 4 FUNC
159. to its correct position and execute ERROR in service mode 4 Note that E007 01 in service mode will be indicated as E007 omitting the last two digits under ERR of DISPLAY in service mode 1 After the film has returned to normal position following the execution of FILMCOMEBACK be sure to turn OFF and then ON the main power supply without touching the other keys 8 5 EE SELF DIAGNOSIS HI B Self Diagnosis of the RDF G1 Main cause Description Data communication with copier faulty The communication is monitored at all times This error is identified when the communication with the copier is disrupted for 5 sec or more Pick up motor M1 fails to rotate Pick up roller sensor S5 faulty A flag is installed on the shaft of the pick up motor M1 and the rotation of M1 is monitored in reference to the flag blocking the pick up roller sensor S5 This error is identified when S5 does not turn on and off twice or more within 1 sec Belt motor M3 fails to rotate Belt motor clock sensor S10 faulty The number of belt clock pulses for 200 ms is below a specific value Feeder motor M2 fails to rotate Feeder motor clock sensor S9 faulty The number of feeding motor clock pulses for 200 ms is below a specific value Original tray paper sensor S1 faulty Registration sensor S3 faulty C Self Diagnosis of the ADF F1 Main cause T
160. to shut off Provided 2 min standard may be varied between 0 an 9 min in 1 min increments Option Feeder ADF F1 RF G1 Sorter Multi Output Tray C1 Multi Output Tray B2 Pedestal Cassette Feeding Unit L1 Cassette Feeding Unit M1 Others Handset A1 Control Card V Film Projector A 9 APPENDIX 4 Others Opera ting envi ronment Temperature Humidity Atmospheric pressure 7 5 to 32 5 C 5 to 85 0 8 to 1 0 atm 120V Serial number GP200 NFY xxxx GP200F NFZ xxxx 220 240V GP215 UBY xxxx QFY xxxx SFY xxxx TFY xxxx UFY xxxx GP215F UBZ xxxx QFZ xxxx SFZ xxxx TFZ xxxx UFZ xxxx Power Maximum 1 5 kW or less con sumption Standby 0 080 kWh reference only Continuous copying 0 750 kWh reference only Quick start mode SLEEP 1 0 045 kWh reference only Power saving mode SLEEP 2 0 003 kWh reference only Copying 66 dB or less sound power level Standby 40 dB or less Sound power level 0 01 ppm or less average 0 02 ppm or less max 585 mm pedestal copyboard cover 700 mm pedestal ADF 571 mm pedestal RDF Body only w copyboard cover w ADV w RDF Consuma bles A 10 Copy paper Toner Keep copy paper wrapped to protect against humidity w APPENDIX 5 Copying Speed Reproduction ratio Size Copy paper
161. tons of the main power switch Is the resistance 0 when the switch is turned ON and when the switch is turned OFF Replace the main switch Check the wiring of the AC line and the connector for contact if normal replace the noise fil ter 4 15 TROUBLESHOOTING MALFUNCTIONS HIN 26 DC power is absent Error code Checks Turn ON the main power supply switch Is the error code indi cated Yes No Action See the descriptions for the error code indicated AC power sup ply faulty Wiring DC loads Is AC power present Turn OFF the main power switch and disconnect all fol lowing connectors Composite Power Supply PCB J204 J211 J213 J214 J215 ACC Power Supply J134 J142 Is the output voltage of each terminal Table 7 00 normal See AC power is absent Turn OFF the power switch connect one of the disconnect ed connectors and turn ON the power switch Repeat this for all connectors to find the connector that activates the protection circuit Then check the wiring from that connector and DC loads Fuse Wiring Composite power supply PCB ACC power supply B Composite Power Supply PCB Is the fuse blown Output Replace the fuse Check the DC loads of the fuse in question and wiring Replace the composite power supply PCB or the ACC power supply PCB ACC Power Su
162. tration rolls Pick up feeding guide 3 15 TROUBLESHOOTING IMAGE PROBLEMS 14 The copy has blurred images Cause Checks Yes No Action Scanner drive cable Does the cable on the cable pulley become twisted or frayed while the scanner is moving YES 1 Re route the cable 2 Replace the cable Scanner rail Move the No 1 mirror mount slowly by hand Does it move smoothly Clean the surface of the scan ner rail with alcohol thereafter apply a small amount of lubri catnt Drum drive assembly Photosensitive drum Is the problem noted at inter vals of about 94 mm 1 Check the drum drive assembly 2 Check the drum ends in contact with the developing rolls for scratches and for eign matter Developing gear Drum drive assembly Drum unit 3 16 Is the problem noted at inter vals of 35 mm Check the developing assem bly 1 Check the drum drive assembly 2 Replace the drum unit HE TROUBLESHOOTING IMAGE PROBLEMS 15 The copy has horizontal fogging Checks Yes No Action Is the problem noted at the same location on all copies made in Direct YES Go to step 4 Scanning lamp Composite power supply PCB Does the scanning lamp flicker while the scanner is moving forward Check the scanning lamp composite power supply PCB lamp ON circuit and 2 4V power supply
163. ts the laser beam Removes electrical noise from AC power Controls the pick up assembly sensors Detects the size of the upper cassette Detects the size of the lower cassette Removes residual charges from the photosensi tive drum Detects the width of paper in the multifeeder Controls the service switch Controls the LCD 6 13 NCTIONS OF ELECTRICAL PART G Fax Related PCBs LK oy e N 9 e LY Figure 6 607 6 14 en ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS PCBs machine equipped with fax functions Description CORE IP Board Performs binary processing for fax operations and processes ratios for fax printer operations FAX Motherboard Controls the bus FAX Board Controls fax operations NCU Control the network Modular Jack Board Serves as a modular jack Speaker Serves as a speaker Expansion memory option Serves as an image memory 3MB or 9 MB Expansion memory option Serves as a page memory 3MB 6 15 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS HII H Variable Resistors VR Light Emitting Diodes LED and Check Pins by PCB Of the variable resistors VR light emitting diodes LED and check pins used in the machine those needed in the field are discussed Caution 1 Some LEDs emit dim light even when OFF because of leakage current this is a normal condition and must be
164. with the copyboard lifted faults may also appear on normally made copies T3 T pages mem m i es t Strips may vary in width 3 4 Gw TROUBLESHOOTING IMAGE PROBLEMS C Troubleshooting Image Faults 1 The copy is too light halftone only Checks Yes No Action Perform the Image Adjustment Basic Procedure Is the prob lem corrected Is the pattern print placed in reverse left right orientation YES End The image will become appre ciably light if the pattern print is placed in reverse left right orientation Be sure to place it in correct orientation AE adjustment wrong Make copies in AE mode Are the images too light Perform AE adjustment 1 In the case of Image quality priority mode increase the setting under AE DARK of ADJSUT in service mode 37 2 In the case of Speed priori ty mode increase the set ting under ABC_TBL under ADJSUT in service mode 3 Developing assembly posi tion Are the rolls of the developing assembly in firm contact with the drum Check the developing assem bly locking lever and check the surface of the developing rolls for foreign matter toner Developing assembly Is the coating of toner on the developing cylinder even Check the developing assem bly Scanner dirt Photosensitive drum Clean the mirror lens and dus
165. y At the same time TONER S 240 in sec starts to increment the operation stops at 0 To stop in the middle press STOP to highlight and press the OK key to stop 7 52 3 Shading Auto Correction SERVICE MODE 4 FUNCTION 03 gt AUTO SHADING START OK START Now XXXXXXXXXXXXX WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GD2 xxH CDA3 xxH CDA4 xxH ADDAS5 xxH D ODD xxH D EVN xxH Ct X IE Shading auto correction for servicing in the field Guide to the Screen 4 FUNCTION 03 Operation Reference page 1 Press AUTO SHADING START on the screen to highlight then press the OK key 2 The notation END indicates the end of the opera tion AUTO SHADING START OK START CANCEL Press to execute Now XXXXXXXXXXXXX Status indication WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GDA2 xxH CDA3 xxH CDA4 xxH ADDA5 xxH D ODD xxH D EVN xxH Results of measurement under each item WO GI 7 53 SERVICE MODE 4 PD Density Auto Correction This mode must be executed in combination with 200PWM density auto correction and 600PWM den sity auto correction 4 FUNCTION 04 gt CANCEL PD PRINT START WHITE MEASURE JUMP DENSITY SAMPLING Ok DATA SET D Xxxx XX XX XX XX XX XX XX XX XX XX XX XX XX XX MULTI 0 gt CASSETTE1 4 1 CASSETTE2 A4 1 ER IE Item De
166. y adjustment for 2 Without any original on the RF s original the RDF sensor tray press the OK key Original sensor S1 1 will appear under SENS_ADu indicating Registration sensor taht automatic adjustment is being executed S3 If 1 remains for 30 sec or more suspect a fault in the original tray sensor S1 regis tration sensor S3 or RF controller 3 If 0 appears under SENS ADV indicating that the adjustment is over press the Reset key twice to leave service mode The foregoing adjustment is the same as using SW3 on the RF controller PCB S BCLN T Use it to execute cleaning 1 Press the appropriate item S T or of the separation belt for S B to highlight upper separation 2 Set a sheet of copy paper whose center has been moistened with alcohol on the RDF s tray 3 Press the OK key The sheet of copy paper will be picked up and the separation belt will be rotated idly 4 Press the OK key to end the operation 5 Open the RF s top cover and remove the sheet of copy paper Then close the RF s top cover The foregoing adjustment is the same as using bit 6 of DIPS1 on the RF controller PCB S BCLN B Use it to clean the separa tion belt for lower separa tion 7 83 SERVICE MODE 3 Adjusting the ADF This screen is effective only when an ADF is installed 7 ACC 03 ADF DOC STOP x LA SPEED x Ct OK
167. y charging End ing assembly roller in user mode Is the prob lem corrected Photosensitive Are there scratches or black Replace the drum unit drum lines on the surface of the pho lf there are scratches be tosensitive drum in peripheral sure to investigate the direction cause Try wiping off the black lines if any on the photosensitive drum with cloth coated with toner to see if they disap pear from copies too Fixing assem Are there scratches or black Replace the fixing assembly bly lines in the peripheral direction of the surface of the fixing film Check the inlet of the fixing assembly for dirt 3 10 HE TROUBLESHOOTING IMAGE PROBLEMS 8 The copy has white spots vertical 9 The copy has white lines vertical Cause Checks Action Exposure sys tem Execute L TEET1 in service mode 4 Are there white lines in the generated image Go to step 7 Transfer charg ing roller Separation stat ic eliminator Is there dirt or foreign matter on the transfer charging roller or the separation static elimina tor Clean the transfer charging roller or the separation static eliminator If the problem is still not cor rected replace the transfer charging assembly or the sep aration static eliminator Developing assembly Is the coating of toner on the developing cylinder even Check the edge of the devel oping assembly
168. y such number will be treated as 5 for control 7 50 SERVICE MODE G 4 FUNCTION function mode Use this mode to operate the machine under a specific set of settings or execute auto adjustment Check to make sure that the machine is in standby mode before executing any item Each press on the key brings up the next screen each press on the key on the other hand brings up the previous screen Press the item notation for operation or auto adjustment to highlight Press the key to execute the selected item e Press the key to return to the Menu screen Apress on the and a key on the keypad put the corresponding number into the parentheses 4 FUNCTION1 apresson the key then causes a leap to the corresponding page 1 Clearing Errors 4 FUNCTION 01 gt ERROR OK CLEAR Ct JOIK Item Description Reference page Clearing E000 E001 E003 To clear an error indication press ERROR on the E004 E007 01 or E717 screen to highlight then press the OK key and turn OFF ON the main power switch 7 51 SERVICE MODE 2 Stirring the Toner 4 FUNCTION 02 gt TONER S 240 START OK STOP OK Ct X X ok Item Description Reference page Stirring toner inside the devel Press START on the screen to highlight then oping assembly at installation press the OK key to start stirring the toner inside the developing assembl

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