Canon Perfect Binder A1 Troubleshooting Manual page 55

1-10) Plug the power cord in the wall outlet.
1-11) Remove the service PCB cover.
- 1 screw
1-12) Turn on the SW1-1 on the service PCB and set the machine in service mode.
[Caution] To keep the machine running in service mode, be sure to do so with the trimming assembly stowed inside.
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