HP Photosmart C4344 All-in-One Printer - Manual (Page 280)

removed from each print cartridge. When plastic tape covers the print cartridge
contacts, the product cannot detect that the print cartridge is installed.
1 Copper-colored contacts
2 Plastic tape with pink pull tab (must be removed before installing)
3 Ink nozzles under tape
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.
Print cartridge is missing, incorrectly installed, or not intended for your product
Try the following solutions to resolve the issue. Solutions are listed in order, with the most
likely solution first. If the first solution does not solve the problem, continue trying the
remaining solutions until the issue is resolved.
• Solution 1: Insert the print cartridges
• Solution 2: Remove the tape from the print cartridges
• Solution 3: Remove and reinsert the print cartridges
• Solution 4: Contact HP support
Solution 1: Insert the print cartridges
Solution: One or both of the print cartridges is missing. Remove and reinsert the
print cartridges and verify that they are fully inserted and locked in place. If the
problem persists, clean the contacts of the print cartridges.
For more information, see:
“Clean the print cartridge contacts” on page 101
Cause: The print cartridge was missing.
If this did not solve the issue, try the next solution.
Solution 2: Remove the tape from the print cartridges
Solution: Check each print cartridge. The tape might have been removed from the
copper-colored contacts, but still might cover the ink nozzles. If the tape is still
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