Canon Printer Error 1403 — Printhead Not Recognized

Overview

Canon printer error 1403 means the printer does not recognize the installed printhead, requiring cleaning or replacement of the printhead unit.

Key Details

• The printhead is a separate component from ink cartridges on Canon PIXMA printers
• Error 1403 indicates communication failure between printhead and printer
• Can appear after replacing ink cartridges if the printhead was disturbed
• Dirty contacts are the most common cause, not a failed printhead
• Canon printhead part numbers start with QY6- followed by model-specific digits

Common Causes

• Dirty or corroded electrical contacts on the printhead
• Printhead not properly seated after ink cartridge replacement
• Dried ink blocking the nozzle plate
• Printhead reaching end of life after high print volume
• Incompatible printhead installed (wrong model)

Steps

1. 1Remove the printhead: open cover, remove all cartridges, lift the printhead lock lever, slide out the printhead
2. 2Clean the gold electrical contacts on the printhead with isopropyl alcohol and a lint-free cloth
3. 3Clean the matching contacts inside the printer carriage
4. 4Soak the printhead nozzle plate in warm distilled water for 15 minutes
5. 5Reinstall the printhead firmly, lock the lever, reinstall cartridges, and close the cover

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