User’s Guide> 49CONSUMABLES AND MAINTENANCEThis section explains how to replace consumable and maintenanceitems when due. As a guide, the life expectancy of these items is:> Black Toner — 18,500 Letter pages at 5% coverage.> Cyan, Magenta, Yellow Toner— 16,500 Letter pages at 5%coverageThe printer is shipped with sufficient toner for 7,500 Letterpages in the print cartridges of which 1 – 2,000 Letter pagesof toner are used to charge the image drum.> Image drum — 42,000 Letter pages average life> Transfer belt — Approximately 100,000 Letter pages> Fuser — Approximately 100,000 Letter pages> Waste toner — 30,000 Letter pages average lifeCHECKING CONSUMABLE/MAINTENANCE ITEM USAGEAt any time, you can check how much of each consumable/maintenance item is left by using the appropriate menus. Forexample, enter the menu system and follow the path:Configuration>Supplies Life>Cyan TonerThe percentage of Cyan Toner remaining is displayed on the displaypanel and the printer then returns to the ready to print status.REPLACEMENT INDICATIONSThe display panel provides messages to the effect thatconsumables/maintenance items are running low or nearing end oflife followed some time later by a message that replacement isrequired. You should replace the item as soon as possible after thismessage is displayed to avoid the possibility of print quality beingcompromised.The paper feed rollers and the tray feed rollers do not have anyreplacement warning messages. Recommended replacement: afterapproximately 120,000 sheets.