Installing A Drum Cartridge - Dell C3765dnf Color Laser Printer User Manual

5 Slightly pressing down the tab on the drum cartridge that you want to replace, pull it out halfway with one hand.
6 Support the drum cartridge with the other hand from underneath, and then pull it out completely.
7 Repeat the steps 5 and 6 to remove the other three cartridges.

Installing a Drum Cartridge

1 Unpack a new drum cartridge of the desired color.
2 Remove the orange protective cover from the drum cartridge.
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Maintaining Your Printer