Samsung Xpress M202 Series Service Manual page 3

2.2.5.5.
2.2.6. Engine F/W Contol Algorithm ....................................................................................... 2 − 25
2.2.6.1.
2.2.6.2.
2.2.6.3.
2.2.6.4.
2.2.7. Software Descriptions .................................................................................................. 2 − 27
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. 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. Cover ........................................................................................................................ 3 − 4
3.3.2. Main board................................................................................................................. 3 − 6
3.3.3. Fuser Unit .................................................................................................................. 3 − 6
3.3.4. SMPS/HVPS board...................................................................................................... 3 − 7
3.3.5. Drive Unit.................................................................................................................. 3 − 7
3.3.6. LSU.......................................................................................................................... 3 − 8
3.3.7. Feed Sensor PBA ........................................................................................................ 3 − 9
3.3.8. Pick up roller .............................................................................................................. 3 − 9
3.3.9. Motor........................................................................................................................ 3 − 10
3.3.10. Transfer Roller............................................................................................................ 3 − 11
4. Alignment and Troubleshooting ........................................................................................................... 4 − 1
4.1. Alignment and Adjustments....................................................................................................... 4 − 1
4.1.1. Control Panel.............................................................................................................. 4 − 1
4.1.2. Understanding the status LED........................................................................................ 4 − 3
4.1.3. Jam Removal.............................................................................................................. 4 − 4
4.1.4. Periodic Defective Image .............................................................................................. 4 − 7
4.1.5. Useful management tools .............................................................................................. 4 − 8
4.1.5.1.
4.1.5.2.
4.1.5.3.
4.1.6. Updating Firmware ...................................................................................................... 4 − 13
4.1.6.1.
4.1.6.2.
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Electrical Parts Location ................................................................................. 2 − 24
Feeding ....................................................................................................... 2 − 25
Transfer....................................................................................................... 2 − 25
Fusing......................................................................................................... 2 − 26
LSU............................................................................................................ 2 − 26
Software system overview .............................................................................. 2 − 27
Architecture ................................................................................................. 2 − 27
Data and Control Flow ................................................................................... 2 − 28
Using Samsung Easy Printer Manager (Windows and Macintosh only) .................... 4 − 8
Using Samsung Printer Status (Windows only) ................................................... 4 − 10
Using SyncThru Web Service (SWS) ................................................................ 4 − 11
Update the firmware by using the USB port........................................................ 4 − 13
Update the firmware by using the network (M202xW only) ................................... 4 − 14
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