Resolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
After i replaced ALL ink cartridges the HP Officejet 6600 all-in-one will only print in "grayscale"???
We have shut-down pc & printer, checked all printer preferences, checked the drivers...etc.etc.. HELP!!! PLEASE!!!
Have you checked...
Printer Preferences/Layout/Advanced/Document Options - Print in Greyscale-Off.
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