7. OPERATIONAL DESCRIPTIONS ............................................................................... 7-1
1. Outline of operation .......................................................................................................... 7-1
2. Scanner section................................................................................................................ 7-2
3. Laser unit ......................................................................................................................... 7-2
4. Fuser section.................................................................................................................... 7-3
5. Paper feed section and paper transport section ............................................................... 7-4
6. Printing process ............................................................................................................... 7-7
8. DISASSEMBLY AND ASSEMBLY .............................................................................. 8-1
1. High voltage section ......................................................................................................... 8-1
2. Operation panel section.................................................................................................... 8-4
3. Optical section .................................................................................................................. 8-5
4. Fusing section .................................................................................................................. 8-6
5. Tray paper feed/Transport section..................................................................................... 8-9
6. Manual paper feed section ............................................................................................... 8-13
7. Rear frame section ........................................................................................................... 8-17
8. Power section ................................................................................................................... 8-18
9. ADJUSTMENTS .......................................................................................................... 9-1
1. Optical section .................................................................................................................. 9-1
2. Copy density adjustment .................................................................................................. 9-8
3. High voltage adjustment ................................................................................................... 9-9
10. SIMULATION,TROUBLE CODES .............................................................................. 10-1
1. Entering the simulation mode ........................................................................................... 10-1
2. List of simulations ............................................................................................................. 10-2
3. Contents of simulations .................................................................................................... 10-3
4. TROUBLE CODES........................................................................................................... 10-13
11. USER PROGRAM ....................................................................................................... 11-1
12. MAINTENANCE .......................................................................................................... 12-1
1. Maintenance table ............................................................................................................ 12-1
2. Maintenance display system ............................................................................................ 12-1
13. ELECTRICAL SECTION ............................................................................................. 13-1
1. Block diagram................................................................................................................... 13-1
2. Circuit descriptions ........................................................................................................... 13-3
14. CIRCUIT DIAGRAM .................................................................................................... 14-1