A:Answer The color test pages used in HP page yield testing use 20% page coverage. However, this is for all four cartridges (black, cyan, magenta, and yellow) combined. Each color only covers 5% of the page. I apologize for any confusion. For more information, you can visit the following HP website:
http://h10060.www1.hp.com/pageyield/articles/us/en/ColorLaserjetYieldArticle.html