9.Repeat if necessary for the other print cartridge.

10.Gently close the print cartridge door and plug the power cord into the back of the product.

Cause: One or both of the print cartridges were not installed or were installed incorrectly.

If this did not solve the issue, try the next solution.

Solution 4: Contact HP support

Solution: Contact HP support for service.

Go to: www.hp.com/support.

If prompted, choose your country/region, and then click Contact HP for information on calling for technical support.

Cause: The print cartridge was defective or not intended for use in this product.

Printing in ink-backup mode

Solution: If you receive the ink-backup mode message and two print cartridges are installed in the product, verify that the protective piece of plastic tape has been removed from each print cartridge. When plastic tape covers the print cartridge contacts, the product cannot detect that the print cartridge is installed.

1Copper-colored contacts

2Plastic tape with pink pull tab (must be removed before installing)

3Ink nozzles under tape

Solve a problem

Cause: When the product detected 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 product and affects the quality of printouts.

Errors 105