If your Canon MG4150 is displaying an error message, the following information should help you diagnose the problem with the printer:

• U051 - Print head is not installed.
• U052 - The type of print head is incorrect.
• U053 - The following ink cartridge cannot be recognised.
• U075 - The ink cartridge is not installed correctly.
• U076 - The ink cartridge is not installed correctly.
• U140 - The following ink cartridge cannot be recognised.
• U150 - The following ink cartridge cannot be recognised.
• U162 - The ink cartridge has run out.
• U163 - The ink cartridge has run out.