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Printer and Photocopier Troubleshooting and Repair Collection : Cannon LBP-8 A1 Printer 40 and 22 errors
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Cannon LBP-8 A1 Printer 40 and 22 errors

(From: GTRIST (gtrist@aol.com).)

The 40 and 22 errors normally refer to a problem with the cabling etc. Make sure that you have it cabled properly. Also, it can be a bit tricky changing from parallel to serial I/O. Make sure that it is indeed selected.