383B412dn Plus

OKI B412dn Plus error 383: Sensor Failure

The OKI B412dn Plus error 383 signifies a communication issue with the toner chip. Why does my OKI B412dn Plus show error 383? Usually, the unit fails to detect the consumable due to dirty contacts.

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Common causes

  • 1Dirty or oxidized toner contacts.
  • 2Bent internal pins.
  • 3Improperly seated cartridge.
  • 4Defective third-party chip.

Solutions

Diagnóstico rápido

If the 383 error persists, the issue lies in the metal contact pins.

Solución paso a paso

  1. Remove cartridge.
  2. Clean gold contacts with a dry cloth.
  3. Clean internal pins gently.
  4. Reinsert firmly.

Frequently asked questions

Error 383 is a sensor failure indicating the printer cannot detect the toner cartridge.

Reinsert the cartridge and ensure contacts are clean and properly aligned.

It often happens with third-party toner chips that aren't perfectly aligned.

Clean metallic toner contacts and inside the printer with isopropyl alcohol.