HP Photosmart C4780 - Manual (Page 96)

5. Reinsert the print cartridge by sliding it forward into the slot on the right. Then
push the print cartridge forward until it clicks into the socket.
6. Repeat steps 1 and 2 for the tri-color print cartridge on the left side.
NOTE: If the print cartridges are installed in the wrong slots and you cannot
remove them from the product, 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 indicated print cartridges were installed incorrectly.
Print cartridge problem
The message might indicate which cartridge is causing the problem. If so, 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.
Chapter 12
94 Solve a problem
Solve a problem