HP (Hewlett-Packard) HP 910 User Manual
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.
Exit ink-backup mode
Install two print cartridges in the printer to exit ink-backup mode.
For information about installing a print cartridge, see
For information about installing a print cartridge, see
Ink-backup mode
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