Oki C910 Troubleshooting Manual Download Page 1

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/ C93

Troubleshooting Guide

Distributed at the Oki Data

A3/C9

Service Training Classes.

Rev.

Troubleshooting Guide Page 1

Summary of Contents for C910

Page 1: ...C910 C930 Troubleshooting Guide Distributed at the Oki Data A3 C9 Service Training Classes Rev 3 20 Troubleshooting Guide Page 1...

Page 2: ...This Page Intentionally Left Blank Troubleshooting Guide Page 2...

Page 3: ...ENU OKIUSER OKIUSER Set the destination JPOEM1 Japan OEM OEMA A4 Default Overseas OEM OEML Letter Default Overseas OEM Automatically reboot after escaping from the menu The default value for non PS mo...

Page 4: ...reboots after the settings are made and applied Some of the PU network etc cannot be initialized Changes the default PDL language supported according to the destination The PDL language disabled from...

Page 5: ...pressing order HDD NO 0 0 3 3 HDD YES 0 0 0 3 3 Vertical Black White Lines Vertical Black White Lines Vertical Black White Band Vertical Black White Band Horizontal Black White Lines Horitzontal Blac...

Page 6: ...ust in the printouts Decrement this set ting if there is any scattering in high density printing or if there is snow like patterns in the printout Incre ment this setting if the printout ap pears whit...

Page 7: ...maintenance mode tests the basic operation of the print engine components 5 1 2 1 Operation Panel Instructions on self diagnosis operations is based on the following Operation Panel layout as a prere...

Page 8: ...the System Maintenance Mode 2 Press the MENU and MENU key until the DIAGNOSTIC MODE is displayed 3 Diagnostic Mode XX XX XX appears on the LCD panel The XX XX XX stands for the version of the ROM At...

Page 9: ...st from Table 5 1 1 appears at the top of the display Press the MENU and MENU keys The MENU key Increment Test Item the MENU key Decrement Test Item PAPER ROUTE PU 1 H 2 L 3 H 4 L 4 The test is starte...

Page 10: ...S 21 2 2ndLifter SNS 21 2 2ndLifter SNS 21 3 2ndFeed SNS 21 3 2ndFeed SNS 20 3 Cover Open 2nd SW 20 3 Cover Open 2nd SW 17 2 1stPaper Near END SNS 17 2 1stPaper Near END SNS 17 1 1stPaper END SNS 17 1...

Page 11: ...Toner Y Sns Cover Left Upper Stacker Full Sns Face up Aligment Right Sns Lower Center Thermister Temperture Sns TAG Y presence Y Drum Phase Sns Paper Slack Sns Disposal toner box Y Toner Supply Sns MP...

Page 12: ...home position outlet Sns PI7 Self prime Sns PI21 Stapler slide home position Sns PI18 Upper stack tray Sns PI15 Punch connect signal Outlet Sns FP2 Inverter connected Sns FP4 Waste Toner Box Hole IC P...

Page 13: ...start blinking Then the applicable unit will drive for 10 seconds After driving for 10 seconds it will return to State 2 The drive will start again by re pressing the applicable switch To drive the a...

Page 14: ...Y2 MOTOR TRAY2 GEARED MOTOR TRAY2 FEED MOTOR TRAY2 ROLLER CLUTCH REGIST MOTOR REGIST CLUTCH 2ndCLUTCH TRAY1 MOTOR MPT MOTOR FAN POWER DUP MOTOR 2 DUP MOTOR 1 EXIT SOLENOID REGISTRATION SHUTTER FAN FUS...

Page 15: ...AY 2 is installed TRAY 3 is installed TRAY 4 is installed TRAY 5 is installed TRAY 2 is installed and the cassette is not installed TRAY 2 is installed and the cassette is not installed TRAY 2 is inst...

Page 16: ...Y K TONER SUPPLY Y TONER SUPPLY KY TONER SUPPLY M TONER SUPPLY C TONER SUPPLY MC DISPOSAL TONER TUBE ID UP DOWN Drive Limitation Finisher is installed Finisher is installed Finisher is installed Finis...

Page 17: ...This detects the top of the paper entering and then determines the timing to switch from the hopping to the conveyor This detects the tip of the paper transferred then determines the length of the pa...

Page 18: ...9 RFID Sensor The radio communications of this sensor are carried out to IC tip built in the toner cartridge and it checks the existence of a toner cartridge and the toner residual quantity in a tone...

Page 19: ...INISHER 2 Setting value A 0 TRAY1 TRAY2 TRAY3 TRAY4 TRAY5 MPF 0 ON OFF 3 PAGES STACK OFF 1 PAGES STACK OFF ON OUTPUT BIN PUNCH OFFSET STAPLE STAPLE PAGE INVERT Function Press Enter to start printing o...

Page 20: ...r to be turned on or off Press MENU or MENU to turn the setting of each color on or off respectively OK to add Press BACK to exit the print color setting mode FINISHER Setting 1 When FINISHER is shown...

Page 21: ...n 3 Pattern 4 Pattern 7 Pattern 5 Pattern 6 Print Test Pattern Pattern No 0 1 2 3 4 5 6 7 Print pattern None blank page 2 by 2 4 by 4 Horizontal line Slanted line Vertical line Vertical band Full Trou...

Page 22: ...MENU key to switch the display YTR MTR CTR and KTR are image transfer voltage settings of each color Unit KV Press MENU key to switch the display YR MR CR and KR represent the electric current uA of t...

Page 23: ...lacing the applicable RAM DIMM Is this a standard RAM DIMM Is the applicable RAM DIMM difference mounted normal Is operation restored by replacing the applicable RAM DIMM Is this a standard RAM DIMM I...

Page 24: ...te not possible with EEPROM or Flash Is the error display reproducible Is the error display reproducible Does the Error take place again Remedy Replace CU PCB Must replace EEPROM 1 Replace Program ROM...

Page 25: ...again Sensor Dew Error Detected 1 Is the fuser cooling fan operating 2 Cooling fan is replaced but Error occurs again Error was detected in each fan 01 Fuser FAN Error 02 Power FAN Error 03 PU Motor...

Page 26: ...sage displayed 2 Does the Error take place again 1 Is an Error message displayed 2 Does the Error take place again 1 Is an Error message displayed 2 Does the Error take place again Remedy ICheck the O...

Page 27: ...medy Turn ON power again Leave in that state for 30 minutes then turn ON power again Assemble the proper fuser Check to see that the fuser is properly assemble Replace fuser Turn ON power again Replac...

Page 28: ...oes the Error take place again 1 Has any abnormal substance get mixed in with the sensor 2 Can the paper thickness detection be reset and restored by opening closing the tray 3 Is operation restored b...

Page 29: ...er replacing the belt Are operations restored by re inserting the Double Side Printer Unit Check paper jam in double side printer Check paper jam in double side printer Check misfeed in double side pr...

Page 30: ...normal 1 Check if the stacker is full 2 Check if the Stacker Full Sensor activator is normal 1 Check if MT is Out Of Paper 2 Check and see if the out of paper sensor activator is normal 1 Check and se...

Page 31: ...perly 24 V power is not supplied to tray 4 properly 24 V of power is not supplied to tray 5 properly The fuser is not operating properly Does the error still occur Remedy Refill with paper Check Paper...

Page 32: ...is not a standard official product The ASP PCB HDD program does not match the destina tion The ASP PCB EEPROM unmounted or EEPROM Error is detected Remedy Check to confirm that the waste toner transf...

Page 33: ...place image drum cartridge 2 50 Development Roller Replace image drum cartridge 2 27 Toner Supply Roller Replace image drum cartridge 1 73 Charge Roller Replace image drum cartridge 4 45 Fuser Roller...

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