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Responding to Error Messages
5-23
Troubleshooting
5
Service Error
Cause The Canon Advanced Printing Technology has detected an internal problem in
the LBP-1120 engine.
Remedy Follow the procedure described below to solve the problem:
1. Turn off and unplug the printer.
2. Open the front cover and remove the toner cartridge.
3. Plug in and turn on your printer.
4. If the error persists, contact your authorized Canon representative.