How to Clean the Color Tone Density ( CTD ) Sensor on the C1765nf / C1765nfw Dell Laser Printers
Clean the CTD sensor only when an alert for the CTD sensor is shown on the Status Monitor or operator panel.
- Ensure that the printer is turned off.
- Push the rear cover release handle and open the rear cover (Figure 1).
- Clean the CTD sensor inside the printer with a clean dry cotton swab (Figure 2).
- Close the rear cover (Figure 3).
- Turn on the printer.
If these steps do not correct the problem, please contact Dell Technical Support.
More information can be found in the User Guide
for your model printer, or visit our Printer Support site
for additional information, troubleshooting articles and videos.
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