42089201TH Rev.4 5 /
Oki Data CONFIDENTIAL
3.3.21 Rear Pressure Assy ...................................................................................... 75
3.3.22 Switch Lever .................................................................................................. 76
4. ADJUSTMENT ...............................................................................................77
5. CLEANING AND LUBRICATION .................................................................85
5.1 Cleaning ...................................................................................................................... 85
5.2 Lubrication ................................................................................................................... 86
6. TROUBLESHOOTING AND REPAIR ...........................................................94
6.1 Items to Check Before Repair ................................................................................... 94
6.2 Troubleshooting Table ................................................................................................ 94
6.3 Lamp Display .............................................................................................................. 95
6.4 Connection Circuit Check for Printhead and SP/LF Motor ....................................... 99
6.5 Troubleshooting flow chart ....................................................................................... 101
APPENDIX A PCB LAYOUT..............................................................................113
APPENDIX B RS-232C SERIAL INTERFACE BOARD (OPTION)..................115
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