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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