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Kyocera ECOSYS M2540dn

  • Code: 7990
  • Description: Waste toner full The waste toner sensor detected the waste toner reservoir in the drum unit is full
  • Remedy: Drum unit Turn the power switch off and on Replace the drum unit if not repaired.
    Waste toner sensor Replace the waste toner sensor.
    Main/Engine PWB Replace the main/engine PWB.
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