88.21Lexmark B3340dw

Lexmark B3340dw Error 88.21: Toner Low/Empty

Error 88.21 on the Lexmark B3340dw is a status message indicating the toner cartridge is near empty or fully depleted. Replacing the toner is essential for consistent print quality and preventing print artifacts. Follow this guide to replace your cartridge correctly.

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Common causes

  • 1Toner cartridge reached its rated page yield.
  • 2Improper installation of the toner assembly.
  • 3Chip contact obstruction preventing recognition.

Solutions

Cartridge Replacement

  1. Open the front cover of the printer.
  2. Pull out the imaging unit and the toner cartridge.
  3. Insert a new, genuine Lexmark toner cartridge until it clicks.

Chip Troubleshooting

  1. Check the gold contacts on the toner chip for debris.
  2. Use a dry cloth to gently wipe the contacts if dirty.
  3. Reseat the cartridge securely.

Steps to follow

  1. 1

    Release Cover

    Push the release button to open the front cover.

  2. 2

    Remove Old Cartridge

    Carefully slide out the used toner cartridge.

  3. 3

    Install New Toner

    Slide the new cartridge into the slot until it locks into place.

Frequently asked questions

Yes, shaking it gently side-to-side can redistribute remaining toner, giving you a few extra prints.

Some generic cartridges may not be recognized correctly due to non-compatible chips.

Replacing the cartridge with a new one usually resets the count automatically.