290OKI B412dn

Fix OKI B412dn Error 290: Toner Detection Issue

Error 290 on the OKI B412dn indicates a problem with the toner cartridge detection system. Often caused by dirty chip contacts or poor seating, this error stops the printer from entering the 'Ready' state. Performing a quick cleaning of the contacts often resolves this issue without needing new parts.

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Common causes

  • 1Dust on the toner cartridge chip.
  • 2Misaligned cartridge within the imaging unit.
  • 3Incompatible or faulty non-OEM toner chip.

Solutions

Reseat Toner Cartridge

  1. Open the front cover and remove the toner-drum assembly.
  2. Re-insert the toner cartridge firmly into the drum.
  3. Close the cover and let the machine initialize.

Clean Toner Chip Contacts

  1. Use a clean, dry lint-free cloth.
  2. Gently wipe the gold-colored chip contacts on the toner cartridge.
  3. Reinsert into the printer and power on.

Steps to follow

  1. 1

    Remove Cartridge

    Take out the toner cartridge from the imaging drum.

  2. 2

    Wipe Contacts

    Clean the contacts carefully using a dry cloth.

  3. 3

    Check Seating

    Reinsert the cartridge ensuring it clicks into place.

Frequently asked questions

The printer is failing to communicate with the toner chip, usually due to a bad connection.

No, the printer will not print until the chip is properly recognized.

Usually not; the chip is located on the toner cartridge itself.

Fix OKI B412dn Error 290: Toner Detection Issue | Vimazdev