Oki C9400 Maintenance Manual page 5

3. Adjustment .................................................................................................... 62
3.1 Maintenance Menu and Its Functions ............................................................................ 62
3.2 Short Plug Settings ........................................................................................................ 63
3.3 Printing Singly Using Controller-Equipped Printer ......................................................... 63
3.4 Adjustment after Part Replacement ............................................................................... 64
3.5 Color Balance Adjustment ............................................................................................. 65
3.6 EEPROM Replacement after SWA Board and K73 Board Replacement ...................... 67
4. Regular Maintenance .................................................................................... 68
4.1 Parts to be Replaced Regularly ..................................................................................... 68
4.2 Cleaning ......................................................................................................................... 68
4.3 Cleaning of LED Lens Array .......................................................................................... 68
4.4 Cleaning of Pick-up Roller ............................................................................................. 68
5. TROUBLESHOOTING PROCEDURES ......................................................... 69
5.1 Tips for Troubleshooting ................................................................................................ 69
5.2 Check Points before Correcting Image Problems .......................................................... 69
5.3 Tips for Correcting Image Problems .............................................................................. 69
5.4 Preparation for Troubleshooting .................................................................................... 70
5.5 Troubleshooting Flow ..................................................................................................... 70
5.5.1 LCD Message List ............................................................................................ 71
5.5.2 LCD message troubleshooting ......................................................................... 79
5.5.3 Image troubleshooting ...................................................................................... 90
6. WIRING DIAGRAM ...................................................................................... 102
6.1 Resistance Check ........................................................................................................ 102
6.2 Parts Layout on Boards ............................................................................................... 107
7. Parts List ...................................................................................................... 111
7.1 Printer Unit Parts List ................................................................................................... 111
7.2 C9400/C9200 Finisher for OEL/INT Parts Layout ........................................................ 131
41388601TH Rev.6
Oki Data CONFIDENTIAL
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