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2.11.3.5. DSDF Original Exit Assembly......................................................................... 2 − 89
2.11.3.6. DSDF Original Lifting Assembly ..................................................................... 2 − 90
2.11.3.7. DSDF Original Pick-up_Reverse roller Release Assembly .................................... 2 − 91
2.11.3.8. DSDF Scan in Roller Release Assembly ............................................................ 2 − 92
2.12. Hardware Configuration ............................................................................................................ 2 − 93
2.12.1. Main Controller (Main Board) ....................................................................................... 2 − 95
2.12.2. HUB PBA................................................................................................................ 2 − 106
2.12.3. SMPS (Switching Mode Power Supply) PBA (Type5) ...................................................... 2 − 108
2.12.4. SMPS (Switching Mode Power Supply) PBA (Type3R).................................................... 2 − 110
2.12.5. SMPS (Switching Mode Power Supply) PBA (Type4) ...................................................... 2 − 112
2.12.6. Fuser Drive Board (FDB)............................................................................................ 2 − 114
2.12.7. HVPS (High Voltage Power Supply) board..................................................................... 2 − 115
2.12.8. Eraser PBA .............................................................................................................. 2 − 117
2.12.9. Fuser PBA ............................................................................................................... 2 − 117
2.12.10. Waste Sensor PBA..................................................................................................... 2 − 118
2.12.11. Paper Size sensor PBA ............................................................................................... 2 − 118
2.12.12. OPE Unit ................................................................................................................. 2 − 119
2.12.13. DSDF PBA .............................................................................................................. 2 − 121
2.12.14. Scan Joint PBA ......................................................................................................... 2 − 122
2.12.15. CCDM PBA ............................................................................................................. 2 − 123
2.12.16. WLED IF PBA ......................................................................................................... 2 − 124
2.12.17. WLED PBA ............................................................................................................. 2 − 124
2.13. Double Cassette Feeder(DCF) Unit .......................................................................................... 2 − 125
2.14. High Capacity Feeder(HCF) Unit ............................................................................................. 2 − 131
2.15. High Capacity Feeder Side Unit (Large Cassette Tray Unit) ........................................................... 2 − 137
3.
Disassembly and Reassembly ................................................................................................................3 − 1
3.1.
Precautions when replacing parts ..................................................................................................3 − 1
3.1.1.
Precautions when assembling and disassembling .................................................................3 − 1
3.1.2.
Precautions when handling PBA.......................................................................................3 − 1
3.1.3.
Releasing Plastic Latches ................................................................................................3 − 2
3.2.
Maintenance .............................................................................................................................3 − 3
3.2.1.
Machine Cleaning for maintenance ...................................................................................3 − 3
3.2.1.1.
3.2.1.2.
3.2.1.3.
3.2.2.
Replacing the maintenance part ........................................................................................3 − 7
3.2.2.1.
3.2.2.2.
3.2.2.3.
3.2.2.4.
iii
Cleaning the scan glass.....................................................................................3 − 3
Cleaning the DSDF white bar_CIS .....................................................................3 − 4
Cleaning the paper dust stick .............................................................................3 − 5
Development(Deve) unit...................................................................................3 − 7
Fuser Unit......................................................................................................3 − 9
Paper Transfer Belt........................................................................................ 3 − 10
Pick-Up_Separation_Forward roller.................................................................. 3 − 11
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Troubleshooting
