381c332dn

OKI C332dn error 381: Toner not detected

The OKI C332dn error 381 is a system warning indicating that one of the installed toner cartridges is not sending the correct electrical signal to the printer. This fault usually results from dirty electrical contacts or a defective cartridge chip. It is a common occurrence after replacing consumables.

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Common causes

  • 1Dirty Chip: Residual dust prevents electrical connection.
  • 2Defective Chip: The compatible consumable has a manufacturing fault.
  • 3Misalignment: The cartridge is not exerting full pressure on the pins.
  • 4Pin Damage: The internal printer pins are bent.

Solutions

Diagnóstico rápido

If the error appears immediately after changing a cartridge, it is likely that the chip is misaligned or toner dust is blocking the contacts.

Solución paso a paso

  1. Extraction: Remove the toner cartridge and its associated drum unit.
  2. Cleaning: Use a dry, soft cloth to clean the metallic chip on the cartridge and the internal printer contacts.
  3. Reinstallation: Reinsert the cartridge, ensuring it clicks firmly into place.

Prevención y mantenimiento

Avoid touching electronic chips with bare fingers. When buying consumables, ensure they are 465087 series to guarantee full compatibility.

Cuándo llamar a un técnico

If the error persists after cleaning contacts and testing a new cartridge, the consumable detection board might be damaged.

Ficha técnica del equipo