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4.7 PREVENTIVE MAINTENANCE TABLE.................................................. 4-76
REPLACEMENT AND ADJUSTMENT
5. REPLACEMENT AND ADJUSTMENT........................................ 5-1
5.1 EXTERIOR ............................................................................................... 5-1
5.1.1 FRONT ............................................................................................ 5-1
Front Door............................................................................................ 5-1
5.1.2 RIGHT.............................................................................................. 5-2
Paper Feed Cover................................................................................ 5-2
Upper Right Cover ............................................................................... 5-2
Lower Right Cover ............................................................................... 5-2
5.1.3 LEFT ................................................................................................ 5-3
Upper Left Cover.................................................................................. 5-3
Lower Left Cover.................................................................................. 5-3
5.1.4 REAR............................................................................................... 5-4
Upper Rear Cover ................................................................................ 5-4
Lower Rear Cover ................................................................................ 5-4
5.2 DOCUMENT FEEDER.............................................................................. 5-5
5.2.1 COVER REMOVAL.......................................................................... 5-5
REPLACEMENT ........................................................................................ 5-7
5.2.3 FEED BELT REPLACEMENT.......................................................... 5-8
5.2.4 PICK-UP ROLLER REPLACEMENT ............................................... 5-9
5.2.5 SENSOR REPLACEMENT ............................................................ 5-10
Entrance and Registration Sensors.................................................... 5-10
Width Sensor...................................................................................... 5-11
Exit Sensor and Inverter Sensor ........................................................ 5-12
5.2.6 TRANSPORT BELT REPLACEMENT ........................................... 5-13
5.3 SCANNER UNIT..................................................................................... 5-14
5.3.1 EXPOSURE GLASS ...................................................................... 5-14
5.3.2 OPERATION PANEL ..................................................................... 5-15
5.3.3 LENS BLOCK ................................................................................ 5-16
5.3.4 ORIGINAL SIZE SENSORS .......................................................... 5-17
5.3.5 EXPOSURE LAMP ........................................................................ 5-18
5.3.6 SCANNER H.P SENSOR .............................................................. 5-19
5.3.7 SCANNER MOTOR/SCANNER MOTOR DRIVE BOARD............. 5-20
Scanner Motor.................................................................................... 5-20
Scanner Motor Drive Board................................................................ 5-20
5.3.8 SCANNER WIRES......................................................................... 5-21
Rear Scanner Drive Wire ................................................................... 5-24
Front Scanner Drive Wire................................................................... 5-25
Reinstallation...................................................................................... 5-26
5.3.9 OPTICS DUST FILTER ................................................................. 5-28
5.4 LASER UNIT........................................................................................... 5-29
5.4.1 CAUTION DECAL LOCATIONS .................................................... 5-29
SM
vii
Rev.12/15/98
A229
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