Check TonerimageCLASS MF445dw

Fixing 'Check Toner' Error on Canon MF445dw

The 'Check Toner' message on your Canon MF445dw means the printer is failing to detect the cartridge correctly. This is often an issue with the sensor contacts or the cartridge seat.

1 views

Common causes

  • 1Dirty electrical contacts on the cartridge chip.
  • 2Incorrect cartridge model (CRG-057).
  • 3Protective tape left on the cartridge.

Solutions

Cleaning Contacts

  1. Remove the cartridge.
  2. Wipe chip contacts with a lint-free cloth.
  3. Reinstall securely.

Steps to follow

  1. 1

    Open Cover

    Access the toner bay.

  2. 2

    Clean

    Clean the contacts carefully.

  3. 3

    Re-seat

    Ensure it clicks into place.

Frequently asked questions

Yes, but detection errors are more common.

The small circuit board on the cartridge.

Yes, improper detection can affect density.

Fixing 'Check Toner' Error on Canon MF445dw | Vimazdev