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covering the ink nozzles, carefully remove the tape from the print cartridges. Do not
touch the ink nozzles or the copper-colored contacts.
1 Copper-colored contacts
2 Plastic tape with pink pull tab (must be removed before installing)
3 Ink nozzles under tape
Cause: One or both of the print cartridges are not installed or are installed
incorrectly.
Solution: Remove and then reinsert the print cartridges. Verify that they are fully
inserted and locked in place.
If the problem persists, clean the copper-colored contacts of the print cartridges.
For more information on print cartridges, see
Print cartridge troubleshooting.
Cause: The print cartridge is defective or not intended for use in this device.
Solution: To find support and warranty information, go to the HP Web site at
www.hp.com/support. If prompted, choose your country/region, and then click
Contact HP for information on calling for technical support.
Printing in ink-backup mode
Cause: When the HP All-in-One detects that only one print cartridge is installed,
ink-backup mode is initiated. This printing mode lets you print with a single print
cartridge, but it slows the device and affects the quality of printouts.
Solution: If you receive the ink-backup mode message and two print cartridges are
installed in the HP All-in-One, verify that the protective piece of plastic tape has been
Errors 127
Troubleshooting