What does page yield mean ??
For most toner cartridges you will find an indication of how many pages it should print.
eg 3.5k would stand for a page yield or toner print capacity of 3500 pages.
This however is based on the manufacturers description of a 5% coverage.
So How does a 5% coverage print look? Take a look at the below explanation found on Wiki answers:
The following two paragraphs placed on an A4 or Letter-sized sheet of paper make up 5% coverage:
“For the purpose of cartridge yield measure, almost all printer manufacturers base their black ink/toner cartridge yields on 5% coverage. This means only 5% of the whole page is covered with ink or toner. 5% coverage implies basic type with no bold characters, no graphics and no pictures.
CMYK toners for colour laser printers and copiers base their cartridges yields on 20% to 35% coverage (5% to 7% per colour). In reality, if a document had a 100% fill, there would be 400% coverage. Tri-color inkjet/toner cartridges base their page yield on 15% coverage (5% per colour).”
Toner capacitys were implemented only as an indication to judge the average printing costs of a printer, to allow us a better way of comparing before we purchase, therefore if we were to print a full page of heavy text or colour (including images), this will greatly reduce the amount of pages a cartridge will print.
Written by the ink team
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