Canon Perfect Binder A1 Troubleshooting Manual page 148

[CAUTION]: To mount the buffer drive unit, fit the 2 bosses to the boss holes and the positioning pin to the positioning hole.
2-3) Remove the Waste paper buffer unit.
2-3-1) Remove the 2 screws fixing the Waste paper buffer unit.
2-3-2) Remove the fixing plate in the Trimming Assembly.
- Screw x2
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