Canon Perfect Binder A1 Troubleshooting Manual page 173

2-18-8) Remove the connector [1] of the cutter controller PCB.
[Reference]The position of connector can be found easily by following the harness from the power supply mount to the mount.
2-18-9) Remove 4 connectors [1] on the slave controller PCB.
[Reference]The position of connectors can be found easily by following the harness from the power supply mount to the mount.
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