5 Remove the speed-change clutch connector and paper feed
speed-change unit.
(3) Main drive unit
1 Remove the rear cabinet from the machine.
2 Remove the main PWB unit from the machine.
3 Remove the connecting plate.
4 Remove the E ring securing the paper feed speed-change unit
pulley and remove the drive belt.
5 Remove the high-voltage PWB connectors. Remove the GND har-
ness from the copier chassis.
6 Remove the high-voltage PWB from the main drive unit.
7 Remove the main drive unit.
(4) DC power supply PWB
1 Remove the rear cabinet from the machine.
2 Remove the right-side screws of the left cabinet.
3 Remove the fusing drawer unit and connector. Remove the
drawer unit.
Note: The fusing drawer unit should be reinstalled with the fusing
unit removed.
Paper feed
speed change
unit
Main drive unit
High-voltage PWB
Connecting plate
Main drive unit
Drawer unit
7 – 9
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