Oki C810 Maintenance Manual

Also see for C810: User guide User guide Setup guide Maintenance manual Guías del usuario

Contents

Oki C810 Maintenance Manual Manual pdf 5 page image

44072903TH Rev.1 5 /Oki Data CONFIDENTIAL INDEX5. MAINTENANCE MENUS ............................................... 1125.1 System maintenance menu (For maintenance personnel) .............................1135.2 Maintenance utility ...........................................................................................1145.3 Functions of user's maintenance menu ...........................................................1175.3.1 Maintenance menu (For end users) ..........................................................1175.3.2 Self-diagnostic mode .................................................................................1195.3.2.1 Operator panel ...................................................................................1195.3.2.2 Normal self-diagnostic mode (Level 1)............................................. 1215.3.2.2.1 Activation method for self-diagnostic mode (Level 1) ...................... 1215.3.2.2.2 Deactivation of self-diagnostic mode ............................................... 1215.3.2.3 Switch scan test................................................................................ 1225.3.2.4 Motor clutch test ............................................................................... 1245.3.2.5 Test print ........................................................................................... 1265.3.2.6 Color registration adjustment test .................................................... 1305.3.2.7 Print density adjustment test ............................................................ 1315.3.2.8 Indication of consumable part counters ........................................... 1325.3.2.9 Indication of printed page counters .................................................. 1335.3.2.10 Factory/Shipping switching .............................................................. 1335.3.2.11 Setup of self-diagnostic function ...................................................... 1345.3.2.12 Indication of LED head serial number .............................................. 1345.3.3 Various types of print on the individual printer equippedwith controller ........................................................................................... 1355.3.4 Functions of keys when depressed at power-on ...................................... 1355.4 Setup after replacement of parts .................................................................... 1365.4.1 Precautions on the replacement of engine control PCB .......................... 1365.4.2 Setup of EEPROM after replacement of CU PCB .................................... 1375.4.3 Setup of destination .................................................................................. 1385.5 About the manual setup of Print density adjustment ...................................... 1395.6 Administrator Menu List of the Printer ............................................................ 140How to Change ................................................................................................ 1406. CLEANING .................................................................... 1426.1 Cleaning .......................................................................................................... 1436.2 Cleaning the LED lens array ........................................................................... 1446.3 Cleaning of pickup rollers ............................................................................... 1467. TROUBLESHOOTING PROCEDURES ......................... 1477.1 Precautions prior to repair .............................................................................. 1487.2 Items to be checked prior to taking action on abnormal images .................... 1487.3 Precautions when taking action on abnormal images .................................... 1487.4 Preparations for troubleshooting .................................................................... 1487.5 Troubleshooting method ................................................................................. 1497.5.1 LCD Message list...................................................................................... 1497.5.2 Preparing for troubleshooting ................................................................... 1687.5.2.(1) LCD Display Malfunction .............................................................. 1697.5.2.(2) Irregular Operation of the device after turning on the power ........ 1717.5.2.(3) Paper Feed Jam(Error 391:1st Tray)............................................. 1787.5.2.(4) Paper Feed Jam (Error 380) ......................................................... 1807.5.2.(5) Paper Feed Jam (Error 390:Multi-purpose Tray).......................... 1817.5.2.(6) Paper Path Jam(Error 381) ........................................................... 1837.5.2.(7) Paper Exit Jam(Error 382) ............................................................ 1857.5.2.(8) Duplex Print Jam(Error 370, 371, 372, 373, 383) ......................... 1877.5.2.(9) Paper Size Error (Error 400, 401) ................................................. 1897.5.2.(10) ID Unit Up-Down Error(Service Call 140-143) .............................. 1907.5.2.(11) Fuser Unit Error(Error 170-177) .................................................... 1917.5.2.(12) Motor Fan Error(Error 120, 127, 051) ............................................ 1927.5.2.(13) Print Speed is Slow (Low Performance) ....................................... 1927.5.2.(14) Option unit is not recognized ........................................................ 1937.5.2.(15) LED head is not recognized(Error 131, 132, 133, 134) ................. 1947.5.2.(16) Toner cartridge is not recognized(Error 540, 541, 542, 543) ....... 1947.5.2.(17) Fuse Cutout Error (Error 150-155) ................................................ 1967.5.2.(18) Dew Condensation Errors (Error 123) .......................................... 1967.5.2.(19) Connection Diagram ..................................................................... 1977.5.3 Image Problem Troubleshooting .............................................................. 1987.5.3.(1) Color is totally pale (Fig.7.2 A) ...................................................... 1997.5.3.(2) Background is dirty (Fig.7.2 B)...................................................... 2007.5.3.(3) Blank Print (Fig.7.2 C) ................................................................... 2017.5.3.(4) Vertical lines are printed ............................................................... 2017.5.3.(5) Cyclic Print Trouble (Refer to Fig.7.2 E)........................................ 2027.5.3.(6) Color registration is wide. ............................................................. 2027.5.3.(7) Solid Black Print ............................................................................ 203