I've replaced both cartridges but my output is still all in pink....any
ideas?
Most likely your color cartridge is beyond its two year shelf life. First
check the warranty date as shown at:
http://h10025.www1.hp.com/ewfrf/wc/genericDocument?lc=en&cc=us&docname=bua02014.
If the cartridge is within the warranty period contact HP or your dealer for a
replacement. If the cartridge is beyond the warranty replace it with a fresh
one. When buying new cartridges look for the "install by" date on the
cartridge. I would look to buy a cartridge with at least six months remaining
before the "install by" date, resulting in at least a year of remaining
warranty.
When storing unopened cartridges for extended periods of time keep them in a
cool place and leave them standing upright as they would hang on a store
display for maximum life.
Regards,
Bob Headrick, not speaking for my employer HP