Canon Perfect Binder A1 Troubleshooting Manual page 221

3-2) Set the SW1-2 [1] and SW2-2, -3, -5 [2] of service PCB to ON and turn on the power supply SW and then press PSW 1 [3].
The waste paper buffer [4] moves in the direction of arrow to the drop position of the waste paper.
3-3)Return the trimming assembly to the original position and turn on the power supply switch and then set the SW1-2 [1] and
SW2-2, -3, -5 [2] of service PCB to ON and press PSW 1 [3]. The waste paper buffer [4] moves in the direction of arrow to the
home position.
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