Samsung CLX-9201 Service Manual page 3

2.5.3.2.
2.5.3.3.
2.6. Fuser unit ............................................................................................................................... 2 − 45
2.6.1. Fuser unit overview ..................................................................................................... 2 − 45
2.6.2. Fuser Unit drive .......................................................................................................... 2 − 46
2.6.3. Fuser unit temperature control........................................................................................ 2 − 47
2.7. Laser scanning unit (LSU) ......................................................................................................... 2 − 48
2.7.1. LSU overview............................................................................................................. 2 − 48
2.7.2. Laser Scanning Optical path .......................................................................................... 2 − 49
2.7.3. Laser synchronizing detectors ........................................................................................ 2 − 50
2.7.4. Automatic line position adjustment ................................................................................. 2 − 51
2.7.5. Shutter Mechanism ...................................................................................................... 2 − 54
2.8. Drive System .......................................................................................................................... 2 − 55
2.8.1. Drive Motors .............................................................................................................. 2 − 55
2.8.2. Main Drive Unit (OPC, DEVE, ITB, T1 DIS/ENG) ........................................................... 2 − 57
2.8.3. Pick Up Drive............................................................................................................. 2 − 58
2.8.4. Regi/ MP Drive........................................................................................................... 2 − 59
2.8.5. Feed Drive ................................................................................................................. 2 − 60
2.8.6. Fuser/Exit Drive.......................................................................................................... 2 − 61
2.8.7. Waste Toner Container Drive ......................................................................................... 2 − 62
2.8.8. Toner Supply Drive...................................................................................................... 2 − 62
2.9. Scanner System ....................................................................................................................... 2 − 63
2.9.1. Scanner System Overview............................................................................................. 2 − 63
2.9.2. Scanning System Components ....................................................................................... 2 − 63
2.10. Duplex Automatic Document Feeder(DADF)................................................................................ 2 − 66
2.10.1. DADF overview.......................................................................................................... 2 − 66
2.10.2. Electrical parts location ................................................................................................ 2 − 67
2.10.3. DADF Drive System .................................................................................................... 2 − 68
2.10.3.1. DADF Original Drive Assembly ...................................................................... 2 − 69
2.10.3.2. DADF Registration (Regi) Drive Assembly........................................................ 2 − 70
2.10.3.3. DADF Feed Drive Assembly ........................................................................... 2 − 70
2.10.3.4. DADF Exit Drive Assembly............................................................................ 2 − 71
2.10.3.5. Original Return Drive .................................................................................... 2 − 71
2.11. Hardware Configuration ............................................................................................................ 2 − 72
2.11.1. Main Controller .......................................................................................................... 2 − 75
2.11.2. Operation Panel (OPE) controller ................................................................................... 2 − 79
2.11.3. ADF PBA .................................................................................................................. 2 − 82
2.11.4. SMPS (Switching Mode Power Supply) board .................................................................. 2 − 83
2.11.5. Fuser Drive Board (FDB).............................................................................................. 2 − 85
2.11.6. HVPS board ............................................................................................................... 2 − 86
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Transfer belt drive ......................................................................................... 2 − 43
Transfer belt cleaning..................................................................................... 2 − 44
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