Dell 3110cn Color Laser Printer - Manual (Page 282)

Dell recommends Dell print cartridges for your printer. Dell does not provide warranty coverage for problems
caused by using accessories, parts, or components not supplied by Dell.
CAUTION: Never throw used print cartridges into a fire. The residual toner could explode
resulting in burns and injuries.
CAUTION: Since the used print cartridge may spill some toner, do not shake it.
Removing the Used Print Cartridge
Push the side button and open the front cover. 1.
Grasp the handles at both ends of the print cartridge that you want to replace and pull it out. 2.
CAUTION: Since the used print cartridge may spill some toner, do not shake it.
Installing a New Print Cartridge
Select the new print cartridge which color matches the color of the handles on the printer cartridge to 1.