Samsung SF-76x series Service Manual page 3

2.2.5.3.
2.2.5.4.
2.2.5.5.
2.2.6. Engine F/W Contol Algorithm ....................................................................................... 2 − 30
2.2.6.1.
2.2.6.2.
2.2.6.3.
2.2.6.4.
2.2.7. Software Descriptions .................................................................................................. 2 − 32
2.2.7.1.
2.2.7.2.
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. Preautions when handling PBA ...................................................................................... 3 − 1
3.1.3. Releasing Plastic Latches .............................................................................................. 3 − 2
3.2. Screws used in the printer.......................................................................................................... 3 − 3
3.3. Replacing the Main SVC parts ................................................................................................... 3 − 4
3.3.1. ADF Frame ................................................................................................................ 3 − 4
3.3.2. Stacker ...................................................................................................................... 3 − 6
3.3.3. White roller ................................................................................................................ 3 − 6
3.3.4. OPE board ................................................................................................................. 3 − 7
3.3.5. ADF roller ................................................................................................................. 3 − 8
3.3.6. CIS unit ..................................................................................................................... 3 − 9
3.3.7. Main board................................................................................................................. 3 − 9
3.3.8. Fax board................................................................................................................... 3 − 10
3.3.9. Left Cover.................................................................................................................. 3 − 10
3.3.10. Front cover................................................................................................................. 3 − 11
3.3.11. Middle cover .............................................................................................................. 3 − 12
3.3.12. Rear cover.................................................................................................................. 3 − 13
3.3.13. SMPS/HVPS board...................................................................................................... 3 − 13
3.3.14. Fuser unit................................................................................................................... 3 − 14
3.3.15. Drive Unit.................................................................................................................. 3 − 14
3.3.16. LSU.......................................................................................................................... 3 − 15
3.3.17. Feed Sensor PBA ........................................................................................................ 3 − 16
3.3.18. Pick up roller .............................................................................................................. 3 − 16
3.3.19. Motor........................................................................................................................ 3 − 17
3.3.20. Transfer roller............................................................................................................. 3 − 18
4. Alignment and Troubleshooting ........................................................................................................... 4 − 1
4.1. Alignment and Adjustments....................................................................................................... 4 − 1
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Fax board .................................................................................................... 2 − 25
SMPS/HVPS board ....................................................................................... 2 − 26
Electrical Parts Location ................................................................................. 2 − 28
Feeding ....................................................................................................... 2 − 30
Transfer....................................................................................................... 2 − 30
Fusing......................................................................................................... 2 − 31
LSU............................................................................................................ 2 − 31
Software system overview .............................................................................. 2 − 32
Architecture ................................................................................................. 2 − 32
Contents
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