Canon codes can differ by model. Choose the complete model and the exact displayed message before using a fix.
Documented Canon entries
1003
Front-tray paper is missing or loaded incorrectly.
1200
The paper-output cover is open.
1203
The output cover was opened during a print job.
1250
The output tray is closed.
1300
Paper is jammed in the indicated paper path.
1401
A required FINE cartridge is not installed.
1403
The cartridge may have failed.
1485
The installed cartridge is inappropriate for this printer.
1684
A cartridge cannot be recognized.
1686
The printer reports an issue involving one or more color cartridges; this is not a reliable full/empty diagnosis.
1688
The printer has detected an empty cartridge.
168A
A cartridge is not seated correctly or is incompatible.
1702
The ink absorber is approaching its limit.
1890
Shipping or protective material may still restrain the cartridge holder.
2110
The job paper settings do not match the registered front-tray paper.
2801
An original is jammed in the automatic document feeder.
2900
The automatic alignment sheet could not be scanned correctly.
2901
Alignment is waiting for the printed sheet to be scanned.
3440
Easy wireless connect did not complete.
3441
Easy wireless connect did not complete.
3446
The Wi-Fi and Wireless Direct network ranges conflict.
5100
A printer movement error may involve obstruction or incorrect cartridge installation.
5200
A printer error has occurred; the code alone does not establish a failed printhead.
5B02
Canon directs service for this printer error.
B20B
A repair-required printer error has occurred.
Official sources
These links identify the source and its scope. Check the manufacturer page again before changing a printer setting or buying a part.
- Canon — Canon official driver/model support entry Checked 2026-11-01; official full page
Found a mismatch? Request a correction with the public source URL and exact model, without passwords or full serial numbers.