Samsung MultiXpress M537x series Service Manual page 4

Contents
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.
3.2.2. Replacing the maintenance part ........................................................................................3 − 4
3.2.2.1.
3.2.2.2.
3.2.2.3.
3.2.2.4.
3.2.2.5.
3.2.2.6.
3.2.2.7.
3.2.2.8.
3.3. Replacing the main SVC part ..................................................................................................... 3 − 15
3.3.1. Left Cover.................................................................................................................. 3 − 15
3.3.2. Rear Cover................................................................................................................. 3 − 15
3.3.3. Front Cover ................................................................................................................ 3 − 16
3.3.4. Fuser Drive Board (FDB).............................................................................................. 3 − 17
3.3.5. HVPS board ............................................................................................................... 3 − 18
3.3.6. SMPS board ............................................................................................................... 3 − 19
3.3.7. Main Board ................................................................................................................ 3 − 20
3.3.8. Hard Disk Drive(HDD) ................................................................................................ 3 − 21
3.3.9. Main Drive Unit.......................................................................................................... 3 − 22
3.3.10. Fuser_Exit Drive Unit .................................................................................................. 3 − 23
3.3.11. Side Unit ................................................................................................................... 3 − 24
3.3.11.1. Duplex Fan .................................................................................................. 3 − 26
3.3.11.2. Duplex Clutch .............................................................................................. 3 − 26
3.3.11.3. CTD sensor.................................................................................................. 3 − 27
3.3.12. Scanner ..................................................................................................................... 3 − 28
3.3.13. Exit Unit.................................................................................................................... 3 − 30
3.3.13.1. Exit Sensor 1 ................................................................................................ 3 − 31
3.3.13.2. Exit Sensor 2 ................................................................................................ 3 − 31
3.3.14. LSU (Laser Scanning Unit) ........................................................................................... 3 − 32
3.3.15. Regi_Feed_Ready sensor .............................................................................................. 3 − 33
3.3.16. DSDF (Dual Scan Document Feeder) .............................................................................. 3 − 34
3.3.16.1. DSDF Hinge ................................................................................................ 3 − 35
3.3.16.2. DSDF Cover ................................................................................................ 3 − 36
3.3.16.3. DSDF board ................................................................................................. 3 − 37
3.3.16.4. DSDF Stacker .............................................................................................. 3 − 37
3.3.16.5. DSDF COVER-OPEN ................................................................................... 3 − 38
iii
Cleaning the DSDF white bar ............................................................................3 − 3
Fuser Unit......................................................................................................3 − 4
Transfer Roller ...............................................................................................3 − 5
Pick-Up_Reverse_Forward roller .......................................................................3 − 6
MP pad and MP Unit .......................................................................................3 − 7
DSDF pick up roller Assy ............................................................................... 3 − 11
DSDF Reverse roller Assy .............................................................................. 3 − 12
SCF Pick-Up_Reverse_Forward roller............................................................... 3 − 13
HCF Pick-Up_Reverse_Forward roller .............................................................. 3 − 14
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