Canon Perfect Binder A1 Troubleshooting Manual page 171

2-18) Desassembly of power supply mount.
Perfect Binder-D1 has a stack cooling fan (Stack Rotation Assembly). Proceed to step 2-18-1).
Perfect Binder-A1/B1/C1 do not have a stack cooling fan (Stack Rotation Assembly). Proceed to step 2-18-8).
2-18-1) Detach the power supply unit 1.
- 2 connectors
- 4 screws
2-18-2) Remove 4 screws of the cooling fan unit.
2-18-3) Remove 1 connector and 1 reuse band.
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