Samsung CLP-680 Series Service Manual page 3

2.2.5.5.
2.2.5.6.
2.2.5.7.
2.2.5.8.
2.2.6. Engine F/W Control Algorithm ...................................................................................... 2 − 32
2.2.6.1.
2.2.6.2.
2.2.6.3.
2.2.6.4.
2.2.7. Software Descriptions .................................................................................................. 2 − 34
2.2.7.1.
2.2.7.2.
2.2.7.3.
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. Screws used in the printer.......................................................................................................... 3 − 3
3.3. Replacing the maintenance parts ................................................................................................. 3 − 5
3.3.1. Toner Cartridge ........................................................................................................... 3 − 5
3.3.2. Waste Toner Container ................................................................................................. 3 − 6
3.3.3. ITB Unit .................................................................................................................... 3 − 7
3.3.4. Fuser Unit .................................................................................................................. 3 − 9
3.3.5. Pick up_Forward_Reverse roller..................................................................................... 3 − 9
3.4. Replacing the main SVC parts.................................................................................................... 3 − 10
3.4.1. Left and Right cover .................................................................................................... 3 − 10
3.4.2. Top cover................................................................................................................... 3 − 11
3.4.3. HVPS board ............................................................................................................... 3 − 12
3.4.4. Outer Temperature Sensor ............................................................................................. 3 − 12
3.4.5. Main Board ................................................................................................................ 3 − 13
3.4.6. SMPS Fan.................................................................................................................. 3 − 13
3.4.7. SMPS board ............................................................................................................... 3 − 14
3.4.8. LSU.......................................................................................................................... 3 − 14
3.4.9. Fuser Fan................................................................................................................... 3 − 15
3.4.10. Main Drive Unit.......................................................................................................... 3 − 15
3.4.11. DRIVE-T1 ................................................................................................................. 3 − 16
3.4.12. Fuser Drive Unit ......................................................................................................... 3 − 16
3.4.13. PH (Paper Handling) Drive Unit..................................................................................... 3 − 17
3.4.14. Exit Unit.................................................................................................................... 3 − 18
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HVPS board ................................................................................................. 2 − 28
ITB EEPROM PBA....................................................................................... 2 − 29
HUB PBA ................................................................................................... 2 − 29
Electrical Parts Location ................................................................................. 2 − 30
Feeding ....................................................................................................... 2 − 32
Transfer....................................................................................................... 2 − 32
Fusing......................................................................................................... 2 − 33
LSU............................................................................................................ 2 − 33
Software system overview .............................................................................. 2 − 34
Architecture ................................................................................................. 2 − 34
Data and Control Flow ................................................................................... 2 − 35
Contents
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