3 Your printer automatically picks up a sheet of paper from thetray and prints out a cleaning sheet with the dust or tonerparticles on it.M AINTAINING Y OUR P RINTERM AINTAINING Y OUR P RINTER6.4Cleaning the PrinterTo maintain print quality, follow the cleaning procedures below each time the toner cartridge isreplaced or if print quality problems occur.Notes:• Do not use ammonia-based cleaners or volatile solvents such as thinner on or around theprinter. These can damage the printer.• While cleaning the inside of the printer, be careful not to touch the transfer roller (locatedunderneath the toner cartridge ). The oil from your fingers can cause print quality problems.Wipe the outside surface of the printer with a soft, clean, lint-free cloth.Cleaning the OutsideDuring the printing process, paper, toner, and dust particlescan accumulate inside the printer. This buildup can cause printquality problems such as toner specs or smearing. Cleaning theinside of the printer will eliminate or reduce these problems.Cleaning the Inside1 Turn the printer off and unplug the power cord, then wait forthe printer to cool.2 Open the front cover and remove the toner cartridge.3 With a dry, lint-free cloth, wipe away any dust and spilled tonerfrom the toner cartridge area and the toner cartridge cavity.5 Plug in the power cord, and turn the printer on.Cleaning inside the printerNote: To preventdamage to the tonercartridge, do not exposeit to light for more than afew minute. Cover it witha piece of paper, ifnecessary. Also, do nottouch the black transferroller inside the printer.Note: The cartridgecleaning process takessome time. To stop theprinting, turn the poweroff.Cleaning the PrinterPrinting a cleaning sheet If you are experiencing blurred, faded or smeared printouts.Printing a cleaning sheet cleans the drum inside the tonercartridge. This process will produce a page with toner debris,which should be discarded.1 Insure the printer is turned on and in the ready mode withpaper loaded in the automatic input tray.2 Press and hold down Demo on the control panel for about tenseconds until all control panel lights remain lit, then release.4 Reinsert the toner cartridge and close the cover.6.5