Error U051 on Canon Printers

MAJ 10/09/15

Error U051 means "no print head installed. Install the print head". It's a cartridge error or the printhead is defective.


Solution 1:

• Press the triangle button for 5 seconds:
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Solution 2:

• Reinstall the cartridges; change the cartridges if the error persists.

Solution 3:

• If the error persists: verify that the contacts on the cartridges and the ink cartridge are clean and unscratched.

• Finally, it is possible that the printhead is defective.