Error U051 on Canon Printers
Failure: no print head installed. Install the print head. Cartridge Error
Solution 1:
• Press the triangle button
Solution 2:
• Reinstall the cartridges.
Solution 3:
• If the error persists: verify that the contacts on the cartridges and the ink cartridge are clean.
• Finally, it is possible that the printhead is defective.
