Replacing Consumables ï 70Replacing Consumablesï Toner Cartridge ó Life expectancy approximately 3,000 pages forstandard cartridges, 5,000 pages for high-capacity cartridges,assuming about 5% coverage, which means that 5% of theaddressable dots in an image are printed with this color of toner. SeeìToner Cartridge Replacementî on page 71.ï Image Drum ó Life expectancy approximately 15,000 pages,assuming an average of 3 pages per print job. If the average print jobis longer than this, the image drums could last longer, but if theaverage print job is shorter, then image drums will be used morequickly. See ìImage Drum Replacementî on page 79.ï Transfer Belt ó Life expectancy about 50,000 letter-size pages.See ìBelt Unit Replacementî on page 88.ï Fuser ó Life expectancy about 45,000 letter-size pages. See ìFuserReplacementî on page 94.NOTEWhen installing a toner cartridge in a new imagedrum, the life expectancy of the cartridge will bereduced by approximately 1,500 pages (at 5%coverage) as the toner charges the new drum.
