3.2 MaintenanceCleaning the printerThis section contains some general guidelines for keeping your printerclean. When you clean the printer, keep the followings in mind.• Do not use ammonia-based sprays or volatile solvents such as thinnerto clean the printer, as these can damage the printer surface.• Keep the front cover closed when cleaning the outside of the printer.• Always unplug the power cord before cleaning the inside of theprinter.Cleaning the outsideWipe the outside surfaces of the printer with a soft, clean, and lint-freecloth. You can dampen the cloth slightly with water, but be careful not tolet any water drip inside.Cleaning the insideWhen a black line or spot occurs on the printed paper, it means that thetoner cartridge is contaminated by the toner particle. You can solve thisproblem by cleaning the toner cartridge.1. Press and hold the button on the control panel for about 2 secondswhile the READY lights is on. All the lights blinks in turn.2. When the lights turn off, release the button. The machineautomatically pulls in a sheet of paper and prints.If the printer still has the same problem after cleaning, replace the tonercartridge. See the page 3.3.ERROR PAPER READY03-Maintenance 3/2/00 9:20 AM Page 4