Electrical System; Punch Unit Harness; Notification When Dismounting The Punch Unit Harness; Removing The Rear Cover - Canon Puncher Unit-P1 Service Manual

3.3 Electrical System

3.3.1 Punch Unit Harness

3.3.1.1 Notification
dismounting the Punch Unit
Harness
When removing the punch unit, the punch unit
section sometimes opens. If necessary, perform
work with the punch unit section in an open state.
3.3.1.2 Removing the Rear
Cover
1) Remove three screws [1] and remove the rear cover
[2].
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3.3.1.3 Removing the Right
Guide Unit
1) Remove four screws [1], and remove the right
guide assembly [2].
when
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3.3.1.4 Removing the Upper
Cover
1) Open the front door [1], remove three screws [2],
and remove the upper cover [3].
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3.3.1.5 Removing the Punch
Unit Harness
1) Disconnect the two connectors [2] on the punch
controller PCB [1] and remove the harness from the
edge saddle [3].
Chapter 3
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