HP Photosmart C4780 User Manual
Page 84
HP recommends that you use genuine HP print cartridges. Genuine HP print
cartridges are designed and tested with HP printers to help you easily produce great
results, time after time.
NOTE:
HP cannot guarantee the quality or reliability of non-HP supplies. Printer
service or repairs required as a result of using of a non-HP supply will not be
covered under warranty.
If you believe you purchased genuine HP print cartridges, go to:
For more information, see:
“Replace the cartridges” on page 48
Cause: The product detected that a non-HP print cartridge was installed.
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.
To clean the print cartridge contacts
1.
Turn on the product and open the print cartridge door.
The print carriage moves to the far right side of the product.
2.
Wait until the print carriage is idle and silent, and then unplug the power cord from
the back of the product.
Chapter 12
82
Solve a problem
Solve a problem