Canon Finisher-R1 Service Manual page 127

Chapter 4
F-4-180
2) Remove the stack delivery roller front side E ring
[4], gear [5], parallel pin [6], E ring [7], and bushing
[8].
The parallel pin [6] drops when the gear [5] is
removed. Be careful not to loose it.
F-4-181
3) Remove all finisher controller PCB connectors[9].
4) Remove four screws [10]. Remove the screw [11]
securing the ground wire and remove the finisher
controller PCB [12].
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F-4-182
5) Release the claw [13] of the stack delivery roller
rear side clutch [12] and remove the clutch [12].
6) Remove the E ring [14] and bushing [15] and
remove the stack delivery roller.
F-4-183
7) Disconnect the connector [16] and remove harness
from the clamp and edge saddle [17].
8) Remove two screws [18] and pull out the
processing tray [19] in the paper delivery direction.
When removing parts inside the processing tray,
be careful not to exert force on the aligning plate
(front/rear) or the rear end stopper plate.