DELL 1130N MONO LASER PRINTER User Manual

Maintaining Your Printer

9 Replace the black cartridge by adjusting it to the associated cartridge 

holder, and then insert it firmly by pressing near the center of the label 

until the cartridge clicks.

10 Replace the other three cartridges as well.
11 Close the toner access cover.

Clean the 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 Push the rear cover release handle and open the rear cover.