The average print yield of the Canon genuine starter toner cartridge which comes with the machine is 1,000 pages, the Canon genuine replacement toner cartridge is 2,000 pages. The page counts are on the basis of "ISO/IEC 19752"* when printing A4 size paper with the default print density setting. The level of toner consumption varies depending on the type of documents printed. If your average document contains a lot of graphics, tables, or charts, the print yield of your toner cartridge will be fewer as they consume more toner. When you are replacing a toner cartridge, make sure to use a toner cartridge designed for this product. To purchase the Canon genuine replacement toner cartridge, contact your local Canon dealer or Canon Customer Care Center (U.S.A.:1-800-OK-CANON, Canada:1-800-652-2666).
* "ISO/IEC 19752" is the global standard related to "Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that may contain printer components" issued by ISO (International Organization for Standardization).

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