Ricoh B064 Service Manual page 15

REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT........................................ 3-1
3.1 GENERAL CAUTIONS..............................................................................3-1
3.1.1 DRUM...............................................................................................3-1
3.1.2 DRUM UNIT .....................................................................................3-1
3.1.3 TRANSFER BELT UNIT ...................................................................3-2
3.1.4 SCANNER UNIT...............................................................................3-2
3.1.5 LASER UNIT ....................................................................................3-2
3.1.6 CHARGE CORONA..........................................................................3-3
3.1.7 DEVELOPMENT ..............................................................................3-3
3.1.8 CLEANING .......................................................................................3-4
3.1.9 FUSING UNIT...................................................................................3-4
3.1.10 PAPER FEED.................................................................................3-4
3.1.11 USED TONER ................................................................................3-4
3.2 SPECIAL TOOLS AND LUBRICANTS ................................................3-5
3.2.1 SPECIAL TOOLS .............................................................................3-5
3.2.2 LUBRICANTS ...................................................................................3-5
3.3 OPERATION PANEL AND EXTERNAL COVERS ....................................3-6
3.3.1 OPERATION PANEL........................................................................3-6
3.3.2 FRONT DOOR .................................................................................3-6
3.3.3 RIGHT COVERS ..............................................................................3-7
3.3.4 LEFT COVERS.................................................................................3-8
3.3.5 REAR COVERS ...............................................................................3-9
3.4 SCANNER ...............................................................................................3-10
3.4.1 ADF AND TOP COVERS ...............................................................3-10
ADF.....................................................................................................3-10
Top Covers .........................................................................................3-11
3.4.2 EXPOSURE GLASS.......................................................................3-12
3.4.3 SCANNER ORIGINAL SIZE SENSORS.........................................3-13
3.4.4 LENS BLOCK .................................................................................3-14
3.4.5 EXPOSURE LAMP .........................................................................3-15
3.4.6 LAMP REGULATOR.......................................................................3-16
3.4.7 SCANNER MOTOR DRIVE BOARD (SDRB).................................3-17
3.4.8 SCANNER MOTOR........................................................................3-18
3.4.9 SCANNER HP SENSOR ................................................................3-19
3.4.10 SCANNER WIRE REPLACEMENT ..............................................3-20
Preparation for Removal .....................................................................3-20
Wire Removal: Back ...........................................................................3-21
Wire Removal: Front ...........................................................................3-22
Attaching the New Wire ......................................................................3-23
3.4.11 SCANNER HEATER.....................................................................3-25
3.5 LASER UNIT ...........................................................................................3-26
3.5.1 CAUTION DECALS ........................................................................3-26
3.5.2 LD UNIT AND POLYGON MOTOR ................................................3-27
SM iii B064/B065