Oki 4M User Manual
Page 5

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 - 3
4.2
Adjustment When Replacing a Part ................................................... 4 - 3
4.2.1
Setting LED Head Drive Time ................................................................. 4 - 3
4.2.2
Setting the LED Head Dot Count ............................................................ 4 - 4
4.2.3
Uploading and Downloading EEPROM Data .......................................... 4 - 5
5. PERIODICAL MAINTENANCE ................................................................. 5 - 1
5.1
Periodical Replacement Parts ........................................................... 5 - 1
5.2
Cleaning ............................................................................................. 5 - 1
5.2.1
Cleaning of 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 - 2
6.5.1
Status Monitor Message List ................................................................... 6 - 2
6.5.2
Status Message Troubleshooting ............................................................ 6 - 6
6.5.3
Image Troubleshooting ............................................................................ 6 - 13
7. WIRING DIAGRAM ................................................................................... 7 - 1
7.1
Interconnect Signal Diagram ............................................................. 7 - 1
7.2
PCB Layout ........................................................................................ 7 - 3
7.2.1
Main Control Board (HBMC-2 PCB)(OKIPAGE 4w plus) ........................ 7 - 3
7.2.2
Main Control Board (HBMC-3 PCB)(OKIPAGE 4m) ............................... 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 MACINTOSH INTERFACE ................................................... C - 1
APPENDIX D MAINTENANCE UTILITY ..................................................... D - 1