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How to Resolve a 091-400 / 091-911 Waste Toner Error on the C3760n/C3760dn / C3765dnf/C5765dn Dell Laser Printers

Summary: Troubleshoot and resolve 091-400 / 091-911 Waste Toner Error on the C3760n/C3760dn/C3765dnf/C5765dn Dell Laser Printers.

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Symptoms

Printer displays one of the following errors:

  • 091-400: IOT Waste Toner Box Near Life
  • 091-911: IOT Waste Toner Box Life Over

Cause

The Waste Toner Box is a consumable item that gathers excess toner that is created during the print process. This item needs replaced after about 30,000 Prints but you receive an early warning message advising that it is nearing time for replacement.

Resolution

If you receive either of the above errors the Waste Toner Box needs to be replaced.  Purchase a new Waste Toner Box for your printer model.

To recycle the Waste Toner Box and other consumables refer to Dell Recycling

Affected Products

Dell C3760dn Color Laser Printer, Dell C3760n Color Laser Printer, Dell C3765dnf Color Laser Printer, Dell C5765DN MFP Color Laser Printer