This document is for the Photosmart C4400 and C4500 All-in-One printers.
The printer does not print, the status lights blink, and one of the following errors messages might display on the computer or printer control panel:
'Cartridge Missing or Damaged'
These errors, including 'Incompatible cartridge' can occur with genuine HP cartridges under certain circumstances. The cartridge might need to be reinstalled, the electrical contacts could be dirty, the cartridges might need to be aligned, or there could be a cartridge or printer failure.