390-errorC311dn

OKI C311dn error 390: Toner communication failure

The OKI C311dn error 390 indicates a communication fault between the machine and the toner cartridge chip, preventing the printer from recognizing the consumable. This often leads to a print halt for the affected color. Follow this guide to resolve the OKI C311dn error 390 through simple hardware maintenance.

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Common causes

  • 1Oxidation on cartridge chip contacts.
  • 2Dust interference within the toner port.
  • 3Physical damage to the chip during installation.
  • 4Internal logic board communication glitch.

Solutions

Diagnóstico rápido

Check the front panel to identify which color toner is flagging the error. This is a localized communication issue.

Solución paso a paso

  1. Power down the printer.
  2. Remove the affected cartridge carefully.
  3. Wipe the chip contact with a lint-free cloth.
  4. Reseat the cartridge firmly.

Prevención y mantenimiento

Always handle toner cartridges by the edges to avoid touching the gold chip contacts. Periodic vacuuming of the toner bay prevents debris buildup.

Cuándo llamar a un técnico

If replacing the toner with a new, genuine one fails, the printer's internal chip reader array may be faulty.

Ficha técnica del equipo

  • Technology: LED Color.
  • Performance: 22/24 ppm.
  • Connectivity: USB/Ethernet.
  • Feed Capacity: 250 sheets.
  • Consumibles: C311/C331 toner series.
  • Recommended use: Small office.
  • Official Drivers

Steps to follow

  1. 1

    Power down

    Turn the printer off.

  2. 2

    Inspect chip

    Check for dirty contacts.

  3. 3

    Reseat

    Insert cartridge firmly.

Frequently asked questions

It is caused by poor electrical contact between the printer's reader and the cartridge's chip.

No, the printer requires a verified chip to determine toner levels and allow printing.

C311 and C331 series genuine toner cartridges.

Keep the toner bay clean and ensure original consumables are used.

OKI C311dn error 390: Toner communication failure | Vimazdev