Ink-backup mode output
Printing in ink-backup mode slows the printer and affects the quality of printouts.
Installed print
cartridge
Result
Black print cartridge
Colors print as grayscale.
Tri-color print cartridge
Colors print but black is grayed and is not a true black.
Photo print cartridge
Colors print as grayscale.
Note
HP does not recommend using the photo print cartridge for ink-backup
mode.