Maybe the toner usage is not a percentage, but just a index where 10 is max and 0 is null?
I printed other 300 pages, total consumption of magenta is 0.335684 , instead the counter decreased from 11% to 8%
I sent a page of an office document (not much color) to my new phaser 7800, then i went to see the toner consumption in job accounting records:
I said, ok it's cheap enough to be printed, and I sent 2000 copies.
Result? Toner are empty
If I go to see the toner consumption in job accounting records, i see numbers like 13% cyan => instead the 80% of the cartride has been used, so I have some questions: