How are page yields measured?
Rather than try to give an explanation that covers all manufacturers, cut and paste the following link to see how HP measures page yields. http://h10060.www1.hp.com/pageyield/articles/au/en/IsoInkjetYield.html [Back To Top] • Do Drum Units come with toner? Drum units do not come with toner. The toner cartridge needs to be purchased separately. Generally, one drum unit will be needed for 4 or 5 toner cartridges. When the drum unit needs replacing the printer / copier will send a warning message to the console. Note: the drum unit is the device that transfers toner from the toner cartridge onto the paper. [Back To Top] • My ink level-checking software does not work with compatibles? Very occasionally a specific compatible cartridge will print perfectly but will not work with the ink level-checking software on a particular printer. This is the brand manufacturer’s way of trying to discourage you from using compatible cartridges. On these rare occasions, turning your printer off and then o
