Dell 1110 - Laser Printer B/W User Manual page 51

3. Gently pull the toner cartridge out, being careful not to scratch against the printer, and lift it
up and away from the printer. Set it on a clean flat surface.
CAUTION: To prevent damage to the toner cartridge, do not expose the toner
cartridge to light for more than a few minutes.
CAUTION: Do not touch the green underside of the toner cartridge. Use the
handle on the cartridge to avoid touching this area.
4. With a dry and lint-free cloth, wipe away any dust and spilled toner from the toner cartridge
area and the toner cartridge cavity.