HP Photosmart C4680 All-in-One Printer - Manual (Page 108)

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 cartridges missing or not detected
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: Reinsert the print cartridges
• Solution 2: Clean the print cartridge contacts
• Solution 3: Replace the print cartridge
Solution 1: Reinsert the print cartridges
Solution: Remove and reinsert the print cartridges and verify that they are fully
inserted and locked in place.
Also, make sure the print cartridges are installed into the correct slots.
To make sure the print cartridges are installed correctly
1. Make sure the product is turned on.
CAUTION: If the product is turned off when you open the print cartridge door
to access the print cartridges, it will not release the cartridges for changing.
You might damage the product if the print cartridges are not docked safely
when you try to remove them.
2. Open the print cartridge door.
The print carriage moves to the far right side of the product.
Errors 105
Solve a problem