8.4 < Maintenance>3 Remove the new toner cartridge from its bag.CautionDo not use sharp objects, such as a knife or scissors, to openthe toner cartridge package. They might scratch the drum ofthe cartridge.4 Remove the packing tape and roll the cartridge 5 or 6 items todistribute the toner.Thoroughly roll the cartridge to assure maximum copies percartridge. Save the box and the plastic bag for shipping.Cautions• If toner gets on your clothing, wipe it off with a dry cloth andwash clothing in cold water. Hot water sets toner into fabric.• To prevent damage to the toner cartridge, do not expose itto light for more than a few minutes. Cover it with a piece ofpaper, if necessary.• Do not touch the green surface underside of the tonercartridge. Use the handle on the cartridge to avoid touchingthis area.5 Hold the toner cartridge by the handle and slowly insert thecartridge into the opening in the printer.6 Tabs on the sides of the cartridge and corresponding grooveswithin the printer will guide the cartridge into the correct positionuntil it locks into place completely.7 Close the front cover. Make sure that the cover is securely closed.Clearing the Toner Low Replace Toner messageWhen the Toner Low Replace Toner message appears you canconfigure not to see this message again not to disturb you.1 Press Menu until System Setup appears on the bottom line of thedisplay and press OK.2 Press the Scroll buttons until Maintenance appears and press OK.3 Press the Scroll buttons until CLR Empty Msg. appears and pressOK.4 Select On and press OK.5 Now the Toner Low Replace Toner message does not appear butthe Replace Toner message will remain for reminding you that thenew cartridge needs to be installed for quality.CautionOnce you have selected On, this setting will be permanentlywritten to the memory of the toner cartridge, and this menu willbe disappeared from the Maintenance menu.Maintenance partsTo avoid print quality and paper feed problems resulting from worn partsand to maintain your printer in top working condition the following itemswill need to be replaced at the specified number of pages or when thelife span of each item has expired.Samsung highly recommends that an authorized service provider, dealeror the retailer where you bought printer performs this maintenanceactivity.Items Yield (Average)Transfer roller 70,000Pick-up roller 150,000Fuser unit 80,000