c7990FS-C5250DN

Kyocera FS-C5250DN error C7990: Waste Toner Box

The Kyocera FS-C5250DN error C7990 signals that the waste toner container is full. This is a mandatory maintenance alert.

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Common causes

  • 1Full waste toner box.
  • 2Sensor malfunction.
  • 3Over-usage.
  • 4Improper installation.

Solutions

Diagnóstico rápido

The printer stops to avoid overflow. C7990 is a standard service reminder for waste toner.

Solución paso a paso

  1. Open service cover.
  2. Remove the full waste toner box.
  3. Insert a new WT-580 unit.
  4. Close cover.

Prevención y mantenimiento

Do not empty manually, replace the unit. Dispose of as toner waste.

Cuándo llamar a un técnico

If the error persists with a new unit, the sensor may be faulty.

Ficha técnica del equipo

Steps to follow

  1. 1

    Locate

    Find the waste box.

  2. 2

    Remove

    Pull out carefully.

  3. 3

    Replace

    Install new unit.

Frequently asked questions

Replace the waste toner container.

Yes, printing is disabled.

Model WT-580.

Wipe dust around the area.