Chapter 3

1Selection number label

Printer documentation: For a list of print cartridge selection numbers, see the reference guide that came with the printer.

HP Printer Utility: Open the HP Printer Utility and then select the Supplies pane.

If a print cartridge runs out of ink, the printer can operate in ink-backup mode.

For information about installing a replacement print cartridge, see the print cartridge installation page.

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

Black print cartridge

Tri-color print cartridge

Photo print cartridge

Gray photo print cartridge

Result

Colors print as grayscale.

Colors print but black is grayed and is not a true black.

Colors print as grayscale.

Colors print as grayscale.

Note HP does not recommend using the photo print cartridge or the gray photo print cartridge for ink-backup mode.

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.

16

HP Deskjet 6980 series

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HP 6980 manual Ink-backup mode output, Installed print cartridge, Result, Exit ink-backup mode