How to Clean the Color Toner Density (CTD) Sensor on the C2665dnf Dell Laser Printer

How to Clean the Color Toner Density (CTD) Sensor on the C2665dnf Dell Laser Printer


Table of Contents:

  1. Cleaning the CTD Sensor

This article provides information on "How to Clean the Color Toner Density (CTD) Sensor on the C2665dnf Dell Laser Printer"


1. Cleaning the CTD Sensor

Clean the Color Toner Density (CTD) sensor only when an alert for the CTD sensor is shown on the Status Monitor or touch panel screen.

  1. Ensure that the printer is turned off.
  2. Push down the latch to open the rear cover.

  3. Open the right side cover.

  4. Turn the waste toner box lock lever 90-degrees counterclockwise to unlock the waste toner box.

  5. Grasp the handle on the waste toner box and pull it out making sure to hold it upright so that the waste toner does not spill out.

    Caution: Take care not to drop the waste toner box while you are removing it.
    After removing the waste toner box, do not touch the parts shown in the illustration. Toner can dirty or stain your hands.


  6. Stand the removed waste toner box upright on a level surface.

    WARNING: Never lay the waste toner box on its side as this may cause its malfunction or toner spills.


  7. Lift the operator panel.

  8. Open the top cover.

  9. Put your fingers through the loops on both sides of the transfer belt unit, and then pull it out.

  10. Clean the CTD sensor (as shown) with a clean, dry cotton swab.

  11. Make sure that the arrow marks on the transfer belt unit and the printer face each other, and then insert the unit into the printer until it clicks.

  12. Close the top cover.

  13. Lower the operator panel back in the place.

  14. Reinsert the removed waste toner box.

    Caution: If the waste toner box does not fit into place properly, make sure that the transfer belt unit is fully inserted.
  15. Turn the waste toner box lock lever 90-degrees clockwise to lock the waste toner box.

  16. Close the right side cover.

  17. Close the rear cover.

More info can be found in the C2665dnf User’s Guide.

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

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Article ID: SLN286356

Last Date Modified: 08/03/2015 10:26 AM


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