The function for detecting the remaining ink level will be disabled since the ink level cannot be correctly detected.

Replacing the ink cartridge is recommended. Or if you still need help, visit our Canon Community by clicking the button below to get answers: If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options. If the error is not resolved, service is required. The FINE Cartridge may not be installed properly. Install the FINE Cartridge compatible with this printer. The FINE Cartridge may not be compatible with this printer. Make sure that each FINE Cartridge is installed in the correct position. One or more ink cartridges are not installed in place. Open the Scanning Unit (Cover) and install the appropriate FINE Cartridge. The FINE Cartridge may not be installed properly, or the Cartridge may not be compatible with this printer. U052 / The ink cartridge cannot be recognized. U051 / The type of print head is incorrect. If an error message is displayed on the LCD, take the corresponding action described below.

Canon mp490 printer installation