Canon Perfect Binder A1 Troubleshooting Manual page 4

Alarm Code....................................................................................................... 251
A warning message may be displayed and stay on even if the waste paper box is housed.
Caused by the detection sensor bracket deformed.(PerfectBinder-A1,PerfectBinder-C1)..........251
A warning message may be displayed and stay on even if the waste paper box is housed.
Caused by the detection sensor bracket deformed.(PerfectBinder-B1/PerfectBinder-D1/
PerfectBinder-E1)........................................................................................................................ 262
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