Installing The New Toner Cartridge - Dell 3100cn Owner's Manual

Hold the toner cartridge with both hands and pull out the cartridge.
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CAUTION:

Installing the New Toner Cartridge

Make sure the color of the toner cartridge matches the slot on the toner cartridge carrier.
1.
Gently shake the cartridge to distribute the toner evenly.
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Maintenance
Do not touch inside the printer with your hands. Some parts may be hot.