Canon Perfect Binder A1 Troubleshooting Manual page 196

2-5) Pull out the waste paper unit to remove the waste paper box.
2-6) Release the lock of book stacking assembly and pull it out.
2-7) Remove the jam clear knob to remove inner cover (lower) releasing 3 jam removal levers.
- 9 screws
[Caution] Lift up the inner cover (lower) when it is removed, because its stopper is caught.
2-8) Remove the front cover [1] for waste paper case assembly.
- 4 screws
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