3.14.7 HVPS, PFC BOARD ...................................................................3-140
3.14.8 PSU ............................................................................................3-141
3.14.9 AC DRIVE BOARD .....................................................................3-142
3.14.10 TRANSFER MOTOR, DRIVE, DRIVE MOTOR BOARDS........3-143
3.15 HDD UNIT............................................................................................3-144
Disposal of HDD Units ......................................................................3-145
Reinstallation ....................................................................................3-145
3.16 MOTORS.............................................................................................3-146
3.16.1 PCU MOTOR, DRUM MOTOR...................................................3-146
3.16.2 PAPER TRANSFER MOTOR.....................................................3-148
3.16.3 IMAGE TRANSFER MOTOR......................................................3-149
3.16.4 WASTE TONER TRANSPORT MOTOR, WASTE TONER
DISTRIBUTION MOTOR ............................................................3-150
3.16.5 BOTTOM PLATE LIFT MOTOR (TRAYS 1, 2, 3) .......................3-151
3.16.6 ITB DRIVE MOTOR....................................................................3-152
3.17 AIR FILTERS.......................................................................................3-153
3.17.1 TONER HOPPER FILTER..........................................................3-153
3.17.2 OZONE FILTER, DUST FILTERS ..............................................3-154
3.17.3 SCANNER FILTER.....................................................................3-155
3.18 ARDF...................................................................................................3-156
3.18.1 ARDF COVERS..........................................................................3-156
3.18.2 ORIGINAL FEED UNIT...............................................................3-157
3.18.3 FEED BELT, PICK-UP ROLLER.................................................3-158
3.18.4 BOTTOM PLATE POSITION SENSOR......................................3-159
3.18.5 INTERVAL, ORIGINAL WIDTH, SKEW
CORRECTION SEPARATION SENSORS ................................3-160
3.18.6 ORIGINAL LENGTH SENSORS.................................................3-161
3.18.7 COVER OPEN, ORIGINAL SET, BOTTOM PLATE,
PICK-UP ROLLER HP, UPPER INVERTER SENSORS ............3-162
3.18.8 ARDF POSITION SENSOR, APS START SENSOR..................3-164
3.18.9 ORIGINAL REGISTRATION, EXIT SENSORS...........................3-165
3.18.10 ARDF SEPARATION ROLLER.................................................3-167
3.18.11 ARDF TRANSPORT BELT.......................................................3-168
Removing the ARDF Transport Belt Assembly .................................3-168
Removing the Belt.............................................................................3-169
Reinstalling the Belt ..........................................................................3-171
Reattaching the White Cover ............................................................3-172
3.18.12 ARDF CONTROL BOARD........................................................3-173
3.18.13 ARDF BOTTOM PLATE LIFT MOTOR.....................................3-174
3.18.14 ARDF FEED MOTOR, ARDF TRANSPORT MOTOR ..............3-175
3.18.15 ARDF PICK-UP ROLLER LIFT MOTOR...................................3-176
3.19 IMAGE ADJUSTMENTS......................................................................3-177
3.19.1 SCANNING.................................................................................3-177
Scanner sub-scan magnification.......................................................3-177
Scanner leading edge and side-to-side registration..........................3-177
Main scan dot position correction......................................................3-178
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