SuppliesA-6 Installation Planning GuideOther suppliesThis section describes the supplies other than paper that arenecessary for installation and afterward. Your salesrepresentative will help you place your initial supply order.Dry inkDry ink (also called toner) is the black powder which forms theimage on the printed page. There are three cartridges of dry inkin each carton. You should keep at least one extra cartridge onhand at all times. The disposable cartridges are easily changedwith no mess. The consumption rate of Xerox dry ink isapproximately one cartridge per 30,000 pages. Use only dry inkthat is specified for use in the 4850/4890/92C printer, asdescribed in the consumable supplies table.Fuser lubricantFuser lubricant is a consumable item required by the printer. Youshould keep at least two boxes (each box contains two tubes) onhand for installation by the service representative. Theconsumption rate of Xerox fuser lubricant is approximately onetube per 120,000 pages. For product information, refer to theconsumable supplies table in this appendix.DeveloperDeveloper is not consumed by the printer but does have aneffective life of approximately 300,000 pages per bottle,guaranteed by Xerox. Developer is a required item and must bekept on hand.Use only the developer specified for use in your 4850/4890/92Cprinter.For colored inks, use the color developer specified for each colorin the table below: