Knowledge Base

How to Troubleshoot 091-XXX Drum Cartridge Errors on the 3000cn / 3010cn / 3100cn Dell Laser Printers


Table of Contents:

  1. 091-400 & 091-402 Drum Cartridge Replace Soon
  2. 091-935 Replace Drum Cartridge

1. 091-400 & 091-402 Drum Cartridge Replace Soon

This error is not necessarily related to a hardware fault. It is an early warning that the Life Counter of the Imaging Drum is due to expire and you will need to purchase a new Imaging Drum from Dell.com/support/home.

To confirm that there is no further hardware issue, please carry out the steps below:

  1. Turn the printer off using the power switch on the left side.
  2. Re-seat the Imaging Drum Cartridge.
    • Open the Front Cover and Top Cover of the Printer.
    • Grab the Blue Handle and Pull the Imaging Drum Up and Towards yourself to remove from the Printer.
    • Reverse the process to re-seat the Drum.
  3. Turn the Printer on and check if the error recurs.
  4. If the error persists, print the Printer Settings Report and check the page count:
    • Press Menu.
    • Press the down arrow until Configure appears, and then press Select.
    • Press the down arrow until Reports appears, and then press Select.
    • Printer Settings appears, press Select to print the report.
    • Look under the General section for Total Impressions, to get the page count.
  5. Compare the page count to the expected imaging drum cartridge life:

    The expected drum cartridge varies depending on the ratio of black pages printer to colour pages printed. The ratio can be determined by the values of Total Black Impressions and Total Colour Impressions on the Printer Settings Report.

    100% Black: 42,000 pages

    100% Colour: 10,500 pages

    75% Black, 25% Colour: 24,000 pages
  6. If the page count has met or exceeded the expected imaging drum cartridge life, purchase a new Imaging Drum Cartridge.
  7. If the page count is below the expected imaging drum cartridge life, remove the imaging drum cartridge from the printer and check for any sign of damage or deterioration of the Photoconductive layer (shiny blue roller) on the drum.
  8. If there is no obvious damage to the Imaging Drum roller, run diagnostics on the toner full sensor:
    • Turn the printer off using the power switch on the left side of the printer.
    • Press and hold the up and down buttons while turning the printer on. Release the buttons when Customer Mode appears on the printer LCD.
    • Press the down arrow until IOT DIAG appears, and then press Select.
    • Digital Input appears, press Select.
    • Press the up arrow until DI-6e appears, and then press Select. DI-6e L 0 appears.
    • Open the front and top covers, and remove the imaging drum cartridge.
    • Place an opaque object, such as your finger, between the posts of the toner full sensor.
    • The number on the LCD should increase every time the IR light path is blocked.
  9. If the number does not increase from zero, Please contact Dell Technical Support for further advice.

  10. If the diagnostic passes, try another Imaging Drum, from a working Laser Printer of the same model (if available).
  11. If the error recurs or no other Imaging Drum is available, please contact Dell Technical Support for further advice.

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2. 091-935 Replace Drum Cartridge

  1. Turn the printer off using the power switch on the left side.
  2. Re-seat the Imaging Drum Cartridge.
    • Open the Front Cover and Top Cover of the Printer.
    • Grab the Blue Handle and Pull the Imaging Drum Up and Towards yourself to remove from the Printer.
    • Reverse the process to re-seat the Drum.
  3. Turn the Printer on and check if the error recurs.
  4. If the error persists, swap with a known-good imaging drum cartridge.
  5. If a known-good drum cartridge does not work, run diagnostics on the toner full sensor:
    • Turn the printer off using the power switch on the left side of the printer.
    • Press and hold the up and down buttons while turning the printer on. Release the buttons when Customer Mode appears on the printer LCD.
    • Press the down arrow until IOT DIAG appears, and then press Select.
    • Digital Input appears, press Select.
    • Press the up arrow until DI-6e appears, and then press Select. DI-6e L 0 appears.
    • Open the front and top covers, and remove the imaging drum cartridge.
    • Place an opaque object, such as your finger, between the posts of the toner full sensor.
    • The number on the LCD should increase every time the IR light path is blocked.
  6. If the number does not increase from zero, please contact Dell Technical Support for further advice.

  7. If the error recurs, please contact Dell Technical Support for further advice.
Note: It is recommended that only Dell Branded toner, drums, transfer rollers or other consumables are used in our laser printers.
Dell cannot guarantee compatibility or the print quality of any 3rd party consumables.

More information can be found in the User's Guide for your model printer.

If these steps do not correct the problem, please contact Dell Technical Support.

Purchase Toner and other Dell Laser Printer Supplies

Dell Recycling


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Article ID: SLN152025

Last Date Modified: 08/14/2017 12:12 PM


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