HP 971XL Cyan/CN626AE


  • OfficeJet Pro X451dn
  • OfficeJet Pro X451dw
  • OfficeJet Pro X476dn
  • OfficeJet Pro X476dw
  • OfficeJet Pro X551dw
  • OfficeJet Pro X576dw


Poor quality print after a print head clean can be caused by a build-up if dried ink in the ink waste unit. The waste unit can be cleaned as shown in this video.
Was this answer helpful?
Some HP firmware version prevent the use of Non-HP cartridges please follow these instructions to install firmware which allows their use.
Was this answer helpful?