HP Deskjet 5650 - Manual (Page 35)

ink-backup mode
Ink-backup mode allows the printer to operate using only one print cartridge. It is initiated
when a print cartridge is removed from the cradle.
For instructions on removing a print cartridge, click here .
ink-backup mode output
Printing in ink-backup mode slows the printer and affects the quality of printouts.
when only this print cartridge is
installed...
the result is...
black print cartridge Colors are printed as grayscale.
tri-color print cartridge
Colors print but black is grayed and is
not a true black.
photo print cartridge
Colors are printed as grayscale, black
is grayed and is not a true black.
It is recommended that you do not use the photo print cartridge for ink-
backup mode.
exiting ink-backup mode
Install two print cartridges in the printer to exit ink-backup mode.
For instructions on installing a print cartridge, click here .