85 > B401/B411/B431Consumables andMaintenanceThis section deals with the replacement of the toner cartridge andimage drum and general maintenance.Consumable order detailsPlease always use genuine consumables.Toner cartridge lifeHow long your toner cartridge lasts depends on the print density;at ISO/IEC 19752 print density print pattern, a standard tonercartridge will print an average of 1,500 pages (B401) or 4,000pages (B411/B431). Remember, this is only an average: actualresults may vary.The first toner cartridge installed in a new printer has to fill theimage drum reservoir and saturate the developing roller withtoner. The toner cartridge that is supplied with this printernormally produces about 1,000 pages (B401) or 2,000 pages(B411/B431) after installation.When to replace the tonercartridgeWhen the toner is running low, TONER LOW is displayed in theoperator panel LCD. After Toner Low displays, the printer willITEM FOR MODEL ORDER NO.Toner, 1.5K B401 44992405Image drum, 25K B401 44574309Toner, 4K B401, B411,B43144574701Toner, 10K B431 44574901Image drum B401, B411,B43144574301
