The printer is displaying the error message “Reinstall Missing or Unresponsive Cartridge”.
Error Code can be 31.40, 31.41, 31.42, 31.43, 31.44, 31.45, 31.46.
Verify whether the Toner Cartridge is a Lexmark Genuine Cartridge.
Toner Cartridge Serial Number can be verified at Identify Genuine Lexmark Supplies.
If toner cartridge is non-genuine (3rd party), replace with a Lexmark Genuine Toner Cartridge.
Verify whether Toner Cartridge is correctly installed. Remove toner cartridge and Imaging Unit, then reinstall to see if it clears the error.
Use a spare Toner Cartridge of the same type and install it in the printer.
If the error is cleared after inserting the spare toner cartridge, then the toner cartridge is likely defective. Contact Lexmark Support Helpdesk for a replacement Toner Cartridge.
LEGACY ID: SO7334
31.6x Error Code Reinstall Missing or Unresponsive Imaging Unit (IU)
A 'Re-install Missing or Unresponsive Fuser [31.80] Error' Appears for MS71x, MX71x, MS81x, MX81x