I have recently been experiencing issues with the color of things I have printed. The color is not completely off, but pages come out with undefined borders and a very light overall tone. I tried the Print Quality Diagnostic Report and it confirmed my suspicions with the black ink.
The black is the faded bar at the top of the colored bars. There was no diagnosis for this issue (or at least none with possible issues), and after trying three brand new ink cartredges, I can't seem to find the problem. There have been no changes in anything like printer, ink type, print settings, or the images printed. Thank you for any help.
EDIT: I use an HP Photosmart Plus Model B209a with 564 ink and the most recent Mac OS X operating system.