SM
i
B173
B173
TABLE OF CONTENTS
INSTALLATION
1.
INSTALLAITON
............................................................................
1-1
PREVENTIVE MAINTENANCE
2.
PREVENTIVE MAINTENANCE
....................................................
2-1
REPLACEMENT AND ADJUSTMENT
3.
REPLACEMENT AND ADJUSTMENT
........................................
3-1
3.1
GENERAL PRECAUTIONS ON DISASSEMBLY
......................................
3-1
You must do these before you service the machine:
............................
3-1
Releasing Plastic Latches
.....................................................................
3-1
3.2
REAR COVER
...........................................................................................
3-2
3.3
SIDE COVERS
..........................................................................................
3-3
3.4
FRONT COVER
........................................................................................
3-4
3.5
SCANNER ASS°Y
......................................................................................
3-5
3.6
ADF MOTOR ASS°Y
................................................................................
3-11
3.7
OPE UNIT (ALSO KNOWN AS OP-PORT)
.............................................
3-13
3.8
MIDDLE COVER AND EXIT ROLLER
....................................................
3-14
3.9
ENGINE SHIELD ASS°Y
.........................................................................
3-16
3.10
MAIN PBA (MAIN BOARD)
...................................................................
3-17
3.11
SMPS (ALSO KNOWN AS POWER SUPPLY UNIT)
............................
3-18
3.12
FUSER ASS’Y (ALSO KNOWN AS FUSING UNIT)
..............................
3-19
3.13
FAN
.......................................................................................................
3-20
3.14
LSU (LASER SCANNING UNIT)
...........................................................
3-21
3.15
DRIVE ASS°Y
........................................................................................
3-22
3.16
TRANSFER ASS°Y
................................................................................
3-23
3.17
FEED ASS°Y
..........................................................................................
3-24
3.18
PICK UP ASS°Y AND SOLENOID
.........................................................
3-26
TROUBLESHOOTING
4.
TROUBLESHOOTING
.................................................................
4-1
4.1
PAPER PATH
............................................................................................
4-1
4.1.1
COPY & SCAN DOCUMENT PATH
.................................................
4-2
4.1.2
PRINTER PAPER PATH
..................................................................
4-2
4.2
CLEARING JAMS
......................................................................................
4-3
4.2.1
CLEARING PAPER JAMS
................................................................
4-3