31.4x error code due to a missing or unresponsive cartridge

31.4x error code reinstall missing or unresponsive toner cartridge error message

The printer display shows a 31.4x error code due to a missing or unresponsive cartridge.

The error codes can be any of the following:

31.40

31.41

31.42

31.43

31.44

31.45

31.46

Check if the toner cartridge installed is a genuine Lexmark cartridge.

Go to the Check to Protect Tool to verify the serial number of the toner cartridge.

If the toner cartridge is non-genuine, then replace it with a genuine one.

Remove and reinstall the imaging kit and toner cartridge.

Make sure that the date and time on the printer is set correctly.

From the control panel or Embedded Web Server, navigate to

Settings

Security

Set Date and Time

Check the firmware version of the printer. If the firmware is not the latest version, then update to the latest one.

If the issue persists, then contact customer support.