GBC AdvancedPunch Technical & Service Manual page 111

Repair and Adjustment Procedures
9. Unplug the punch connector [1] from the control board.
[1]
Figure 4.57 Punch Connector on Control Board.
10. Carefully slide the Punch Module out the back of the punch.
Ensure that the wiring harness does not get caught or prevent removal of the
module.
Figure 4.58 Removing the Punch Drive Module.
Advanced Punch Service Manual 4-53
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