Turn off the printer unplug the electrical cable. if you’ve recently used the machine let the printer cool down. the fuser rollers could be very hot. Remove the toner cartridge and the drum unit. The drum is often inside the toner cartridge but sometimes it’s a separate unit Keep the drum in a dark place The light may damage the drum. This is the drum. if present, remove the transfer belt and
the waste toner unit Don’t touch the drum, and the transfer
belt surface with your bare hands the laser printer uses powdered toner during the print process. A defective toner cartridge could leak toner inside the printer to clean your printer, you need alcohol
and a clean cloth. A toner vacuum would be perfect. A toner vacuum gently removes the toner from inside the laser printer. But the toner vacuums are expensive Don’t use a normal vacuum. They cannot filter the fine toner dust. Don’t use compressed air or canned air. Sometime they spray moisture. and the dust could fly all over the
printer and inside the scanner unit. causing more problems. A dust mask is optional. The toner powder is not dangerous but it could cause irritations. Don’t use flammable substances or any type of spray when you clean the inside of the machine. Moisten a clean cloth with a water. It must be wet, not damp. The distilled water is the best but any clean water will be fine. Remove the spilled toner and the dust from the internal surfaces. Probably, most of the toner will remain under the toner cartridges. Try to be very carefull when you clean inside the machine Some components are fragile,
and costly to replace If you want to clean parts that are difficult to reach, use a paintbrush. If you need to clean the electronic contacts the isopropyl alcohol is perfect. It quickly evaporates and it leaves no residues. The alcohol is great for dissolving grease and oil. if present, clean the corona wire with a swab and alcohol. Clean the paper pick up rollers with a soft cloth and alcohol. it will prevent paper jams. the rollers might be near the paper cassette. They are made of rubber, and are about two centimeters wide clean the transfer roller with a dry cloth. the transfer roller is the foam roller near the drum Clean the glass of the scanner unit with
a cotton cloth. you can use a normal glass cleaner, or alcohol. Do the same with the glass of the laser scanner Remove the paper tray. wipe any dust and debris. Vacuum out the fan vent. You can use a normal vacuum Be very gentle when you clean your printer. Some components are easy to damage.