![background image](/i/dell/155742/dell-c1760nw-c1660w/h/dell-c1760nw-c1660w-197.png)
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Cleaning the Color Toner Density (CTD) Sensor
Clean the CTD sensor only when an alert for the CTD sensor is shown on the Status Monitor or operator panel.
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Ensure that the printer is turned off.
2
Push the rear cover release handle and open the rear cover.
Clean the CTD sensor inside the printer with a clean dry cotton swab.
Close the rear cover.
Turn on the printer.
Maintaining Your Printer
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