Oki OKIPAGE 8z, Service Handbook, Page: 4 / 127

4. ADJUSTMENT ........................................................................................... 4 - 1
4.1 Adjustment Types and Functions ...................................................... 4 - 1
4.1.1 Printer Driver ........................................................................................... 4 - 1
4.1.2 Engine Maintenance Utility ...................................................................... 4 - 2
4.2 Adjustment When Replacing a Part ................................................... 4 - 2
4.2.1 Setting LED Head Drive Time ................................................................. 4 - 2
4.2.2 Uploading and Downloading EEPROM Data .......................................... 4 - 3
5. PERIODICAL MAINTENANCE ................................................................. 5 - 1
5.1 Periodical Replacement Parts ........................................................... 5 - 1
5.2 Cleaning ............................................................................................. 5 - 1
5.2.1 Cleaning the LED Lens Array .................................................................. 5 - 1
6. TROUBLESHOOTING PROCEDURES .................................................... 6 - 1
6.1 Troubleshooting Tips ......................................................................... 6 - 1
6.2 Check Points Before Correcting Image Problems ............................. 6 - 1
6.3 Notes When Correcting Image Problems .......................................... 6 - 1
6.4 Preparation Before Troubleshooting .................................................. 6 - 1
6.5 Troubleshooting ................................................................................. 6 - 3
6.5.1 Status Monitor Message List ................................................................... 6 - 3
6.5.2 Status Message Troubleshooting ............................................................ 6 - 7
6.5.3 Image Troubleshooting ............................................................................ 6 - 13
7. WIRING DIAGRAM ................................................................................... 7 - 1
7.1 (a)Interconnect Signal Diagram (OKIPAGE 8p) ................................ 7 - 1
7.1 (b)Interconnect Signal Diagram (OKIPAGE 8
z) ................................ 7 - 2
7.2.1 Main Control board (NMA PCB)(OKIPAGE 8p) ...................................... 7 - 3
7.2.2 Main Control board (NMA PCB)(OKIPAGE 8
z) ...................................... 7 - 4
7.2.3 High-Voltage Power Sapply Board .......................................................... 7 - 5
8. PARTS LIST .............................................................................................. 8 - 1
APPENDIX A LOCAL PRINTING .............................................................. A - 1
APPENDIX B PARALLEL INTERFACE ................................................... B - 1
APPENDIX C MAINTENANCE UTILITY.................................................... C - 1
APPENDIX D USB INTERFACE ............................................................... D - 1