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30-60 the printer will either jam or error message will appear that you wont be able to clear
500 to 1000 pages, depending on how much ink is per page. I use it with full typed sheets and it averages 1000 pages per cartridge.
The first one I bought lasted almost 60 pages before a massive paper jam and the printer had to be replaced by canon. After 30 pages the new printer was was reading an error message and would not print anymore. SO 30-60 pages before the printer goes out