Xerox Phaser 4500 Service Manual page 405

Phaser 4500/4510 Service Manual
4. Remove gears 45, 19/37, and two gears 19, in that order.
5. Rotate the roller bearing on the right end about 90 degrees CW to align
the lock tabs with the keyway slot in the chassis, and remove the bearing
from the stacker housing.
Note
Be careful handling the hook of the roller bearing. It is fragile and
could break if excessive force is used.
6. Shift the lower stacker roller in the direction of the arrow to remove.
Replacement Note:
When installing gears 19 and 19/37, be sure the gears are correctly
oriented on their shafts.
FRU Disassembly
8-125