Replacing consumable items> 68R EPLACING CONSUMABLE ITEMSThis section explains how to replace consumable items when due.As a guide, the life expectancy of these items is:> Toner — 3,000 (standard capacity) or 5,000 (highcapacity) A4 pages at 5% coverage, which means that 5%of the addressable print area is printed with this colour.Toner life is directly affected by coverage, e.g. at 10%coverage there is sufficient toner for 1,500 pages(standard capacity) or 2,500 pages (high capacity),conversely at 2.5% there is sufficient toner for 6,000pages (standard capacity) or 10,000 pages (highcapacity) in the cartridge.> Image drum — 14,000 pages (calculated on typical officeusage where 20% of printing is 1 page only, 30% is 3page documents and 50% is print runs of 15 pages ormore).> Transfer belt — Approximately 50,000 A4 pages.> Fuser — Approximately 45,000 A4 pages.The machine is shipped with sufficient toner for 3,000A4 pages in each print cartridge of which 1,500 A4pages worth of toner is used to charge each imagedrum.1. Standard capacity toner cartridge.2. High capacity toner cartridge.15K3K12