HP 1018 - Manual (Page 51)

3. With a dry, lint-free cloth, wipe any residue from the media path area and the print
cartridge cavity.
4. Replace the print cartridge, and close the print cartridge door.
5. Plug the printer into the power outlet, and then turn on the printer.
Cleaning the printer media path
If you are experiencing toner specks or dots on the printouts, you can use the HP LaserJet
cleaning utility to remove excess media and toner particles that can accumulate on the fuser
assembly and rollers. Cleaning the media path might extend the life of the printer.
ENWW Cleaning the printer 43