Oki OKIPAGE 10ex Maintenance Manual page 3

4. ADJUSTMENT ........................................................................................................ 76
4.1 Maintenance Modes and Functions ................................................................ 76
4.1.1 User Maintenance Mode ........................................................................................ 76
4.1.2 System Maintenance Mode .................................................................................... 76
4.1.3 Engine Maintenance Mode ..................................................................................... 77
4.1.4 EEPROM initialization ............................................................................................ 78
4.2 Adjustment When Replacing a Part ................................................................ 79
4.2.1 Setting of LED Head Drive Time ............................................................................ 79
4.2.2 Uploading/Downloading EEPROM data ................................................................. 82
5. PERIODICAL MAINTENANCE .............................................................................. 83
5.1 Periodical Replacement Parts ........................................................................ 83
5.2 Cleaning.......................................................................................................... 83
5.2.1 Cleaning of LED Lens Array ................................................................................... 83
5.2.2 Cleaning Page Function ......................................................................................... 85
6. TROUBLESHOOTING PROCEDURES ................................................................. 86
6.1 Troubleshooting Tips ...................................................................................... 86
6.2 Points to Check before Correcting Image Problems ....................................... 86
6.3 Tips for Correcting Image Problems ............................................................... 86
6.4 Preparation for Troubleshooting ..................................................................... 87
6.5 Troubleshooting Flow ..................................................................................... 88
6.5.1 LCD Status Message/Problem List ........................................................................ 88
6.5.2 LCD Message Troubleshooting .............................................................................. 98
6.5.3 Image Troubleshooting ........................................................................................... 107
7. WIRING DIAGRAM ................................................................................................ 118
7.1 Interconnect Signal Diagram .......................................................................... 118
7.2 PCB Layout and Connector Signal List .......................................................... 119
7.3 Resistance Check ........................................................................................... 128
7.4 Short Plug Setting ........................................................................................... 130
8. PARTS LIST ........................................................................................................... 131
APPENDIX A RS-232C SERIAL INTERFACE (OPTION) ......................................... 138
APPENDIX B CENTRONICS PARALLEL INTERFACE ............................................ 143
APPENDIX C LOOP TEST (RS-232C INTERFACE) ................................................. 149
APPENDIX D DIAGNOSTICS TEST .......................................................................... 150
APPENDIX E MULTI PURPOSE FEEDER MAINTENANCE ..................................... 158
1. OUTLINE ........................................................................................................ 158
1.1 Functions ................................................................................................................ 158
1.2 External View and Component Names .................................................................. 158
2. MECHANISM DESCRIPTION ........................................................................ 159
2.1 General Mechanism ............................................................................................... 159
2.2 Hopper Mechanism ................................................................................................ 159
3. PARTS REPLACEMENT ................................................................................ 160
3.1 Precautions Concerning Parts Replacement ......................................................... 160
3.2 Parts Layout ........................................................................................................... 162
40718401TH Rev.5
3 /