Panasonic WORKIO DP-150, Service Manual

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Section III Maintenance
3.1 Precautions for Preventive Maintenance Service .......................... 3-1
3.2 Maintenance Chart ........................................................................ 3-3
3.3 Cleaning Method ........................................................................... 3-4
3.4 Disassembly and Re-assembly ..................................................... 3-7
1. Sheet Bypass ............................................................................ 3-8
2. Developer Unit/Drum unit ........................................................ 3-13
3. Fuser Unit ................................................................................ 3-18
4. Optics Unit ............................................................................... 3-21
5. Main Body ................................................................................ 3-27
3.5 Adjustment ................................................................................... 3-28
1. Exposure Adjustment .............................................................. 3-29
2. Skew/Side position Adjustment (Printer unit) .......................... 3-30
3. Skew/Lead edge position Adjustment (Scanner unit) .............. 3-31
4. Void Registration Adjustment .................................................. 3-31
3.6 Updating the Firmware ................................................................ 3-32
Section IV PCB Connector and Signal Information
4.1 Glossary of Electrical Abbreviations .............................................. 4-1
4.2 Main CPU PCB .............................................................................. 4-3
4.3 LVPS PCB ................................................................................... 4-13
Section V Troubleshooting
5.1 Service Mode ................................................................................. 5-1
1. Service Mode Functions ............................................................ 5-1
2. F4 Mode : Input/Output Check .................................................. 5-3
3. F5 Mode : Copier Function Programming ................................. 5-5
4. F6 Mode : Adjustment and Programming .................................. 5-6
5. F7 Mode : Electronic Counter .................................................... 5-8
6. F8 Mode : Copier Operating Adjustment ................................... 5-9
7. F9 Mode : Service Mode ......................................................... 5-10
5.2 Self-diagnostics/Machine Malfunctions ....................................... 5-11
1. User Error :U code ................................................................... 5-11
2. Paper Jam : J code .................................................................. 5-12
3. Machine Error : E code ............................................................ 5-13
Schematic Diagram