Canon Community

I am curious about user's experience with Canon toner cartridges and end of life warnings. My experience with starter toner cartridges in my MF634 is that Canon generates end of life warnings after two years, even though toner has 20% left. If I inst...

For the first two years, my starter color toner cartridges showed 20% remaining on my color laser MF634. After two years, the starter color toner cartridges dropped suddenly to 0% remaining, with the warning the cartridges had reached their end of li...