
The class action lawsuit indicated the HP was offering an update to their firmware that removed the Dynamic Security technology that kept people from using non HP ink cartridges. To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others. Operating System: macOS 10.13 High Sierra. You can refer this HP document for more assistance:- Click here If the error message persists, repeat the steps to reseat the printhead up to three times. Sometimes error messages persist after inserting the printhead. Reconnect the power cord to the rear of the printer, and then check the control panel for the error message. Lift the carriage latch, slightly lift the printhead, lower the printhead back into the carriage, wiggle the printhead left and right, and then lower the carriage latch to lock the printhead into place. You must disconnect the power cord before reaching inside the printer. This cartridge works with: HP OfficeJet 8600 HP OfficeJet Pro 251dw, 276dw, 8100, 8610, 8615, 8620, 8625, 8630 Cartridge yield (approx. Unplug the power cord from the rear of the printer. Wait until the carriage stops moving before you continue. Open the door to access to the ink cartridges. Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.


Notebook Hardware and Upgrade Questions.
