SM
i
B273
B273
TABLE OF CONTENTS
INSTALLATION
1.
INSTALLATION
............................................................................
1-1
PREVENTIVE MAINTENANCE
2.
PREVENTIVE MAINTENANCE
....................................................
2-1
2.1
PM INTERVALS
........................................................................................
2-1
REPLACEMENT AND ADJUSTMENT
3.
REPLACEMENT AND ADJUSTMENT
........................................
3-1
3.1
GENERAL PRECAUTIONS
.......................................................................
3-1
3.1.1
SERVICING THE MACHINE
............................................................
3-1
3.1.2
RELEASING PLASTIC LATCHES
....................................................
3-1
3.2
COVERS
...................................................................................................
3-2
3.2.1
REAR COVER
..................................................................................
3-2
3.2.2
SIDE COVERS
.................................................................................
3-3
Right Cover
...........................................................................................
3-3
Left Cover
.............................................................................................
3-4
3.2.3
FRONT COVER
................................................................................
3-5
3.3
SCANNER ASSEMBLY
.............................................................................
3-6
3.3.1
REASSEMBLING THE SCANNER ASSEMBLY
............................
3-14
3.4
ADF MOTOR ASSEMBLY
.......................................................................
3-15
3.5
OPERATION PANEL
...............................................................................
3-18
3.6
MIDDLE COVER AND EXIT ROLLER
....................................................
3-20
3.7
CONTROLLER SHIELD ASSEMBLY
......................................................
3-22
3.8
ENGINE SHIELD ASSEMBLY AND EXIT BOARD
.................................
3-24
3.8.1
ENGINE SHIELD
............................................................................
3-24
3.8.2
EXIT BOARD
..................................................................................
3-26
3.9
SMPS AND LIU
.......................................................................................
3-27
3.10
FUSING UNIT
........................................................................................
3-29
3.10.1
FUSING UNIT ASSEMBLY
..........................................................
3-29
3.10.2
THERMOSTAT
.............................................................................
3-30
3.10.3
FUSING LAMP
.............................................................................
3-30
3.10.4
STRIPPER PAWLS
......................................................................
3-31
Reassembling the Fusing Unit
............................................................
3-32
Note
. ...................................................................................................
3-33
3.10.5
THERMISTOR
..............................................................................
3-34
3.11
FAN
.......................................................................................................
3-35
3.12
LSU
.......................................................................................................
3-36