Cleaning the PrinterCleaning the PrinterCleaning the Printer Exterior ........................................................................................................................... 599Cleaning Inside the Top Cover ........................................................................................................................ 599Cleaning the Stacker ...................................................................................................................................... 601Cleaning the Printhead ................................................................................................................................... 586Cleaning the Printer ExteriorCleaning the Printer ExteriorClean the printer regularly to maintain better printing quality and help prevent problems.To ensure a comfortable working environment, clean the printer exterior about once a month.1 Turn the printer off. (See "Turning the Printer On and Off.") ➔P.172 Unplug the power cord from the outlet.Caution• Always turn off the printer and unplug the power cord before cleaning or maintenance. Accidentally leav-ing the printer on poses a risk of injury if you touch moving parts inside the printer.3 Using a damp cloth that you have wrung out completely,wipe away any dirt or paper dust from the Paper Feed Slot(a), power cord plug, and so on. Dry these parts with a drycloth.Warning• Never use flammable solvents such as alcohol, benzene, or thinner. If these substances come into con-tact with electrical components inside the printer, there is a risk of fire or electrical shock.Important• If the Ejection Guide is dirty, it may soil the edge of the paper when the paper is cut. We recommendcleaning the Ejection Guide even if it does not appear dirty, because it may actually be covered withpaper dust.(See "Cleaning Inside the Top Cover.") ➔ P.5994 Plug the power cord into the outlet.Cleaning Inside the Top CoverCleaning Inside the Top CoverClean inside the Top Cover about once a month to maintain better printing quality and help prevent problems.Also clean inside the Top Cover in the following situations to ensure optimal operation.• If the printed surface or the underside of paper is dirty after printing• After you have used up a roll• After borderless printing• After printing on small paper• After printing on paper that generates a lot of cutting debris• If you have replaced the roll• After printing on paper that generates a lot of paper dust• If the message "Blue platen switch is dirty." is displayedImportant• If the Platen inside the Top Cover becomes dirty, it may soil the underside of paper. We recommend cleaning thePlaten after borderless printing or printing on small paper.• If the Ejection Guide is dirty, it may soil the edge of the paper when the paper is cut. We recommend cleaning theEjection Guide even if it does not appear dirty, because it may actually be covered with paper dust.aiPF850 Cleaning the Printer ExteriorUser's GuideMaintenance and Consumables Cleaning the Printer599
