Cleaning the ctd sensor – Dell 2155cn/cdn Color Laser Printer User Manual

Page 639

Maintaining Your Printer

637

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 operator panel.

1 Ensure that the printer is turned off.
2 Pull the standard 250-sheet tray out of the printer about 200 mm. Hold the

standard 250-sheet tray with both hands, and remove it from the printer.

3 Push the side button to open the front cover.