Ink-backup mode
Use the ink-backup mode to operate the printer with only one print cartridge. The ink-
backup mode is initiated when a print cartridge is removed from the print cartridge cradle.
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.
Gray photo print
cartridge
Colors print as grayscale.
Note
HP does not recommend using the photo print cartridge or the gray photo
print cartridge for ink-backup mode.
Chapter 3
16
HP Deskjet 6980 series
Exit ink-backup mode
Install two print cartridges in the printer to exit ink-backup mode.
For instructions about installing a print cartridge, see the
print cartridge installation
page.