Canon Perfect Binder A1 Troubleshooting Manual page 225

1) Check the contents of the cutter drive assembly (4Y3-0037-010).
- Cutter drive assembly [1] 1pc
- Reinforcement bracket [2] 1pc
- Button head bolt (M4×10) [3] 5pcs
- Flanged pan head screw (M4×8) [4] 4pcs
2) Referring to Service Manual, remove the stack rotation assembly.
3) Remove the 5 screws [2], and remove the 2 fixing sheet metal [1] on the both sides of the trimming assembly.
[Reference] Marking the screw holes where the screws were attached with a permanent marker etc. will be helpful to find the
place to attach them later.
4) Remove the 1 stepped screw [1] from the lower side of the trimming assembly.
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