office jet 7620

[Service_Tech]

Stand alone printer, turn on and unit starts to go through its process then shows ink system failure, hit the OK and show missing or failed print head. 

Have replaced print head and installed starter ink cartridges that came with print head.  Turn on and starts set up but never goes out of Initializing setup with the number 1 in the top right corner of display.

Have gone through process of resetting  printer but still stuck in initializing.

I don't think you can update firmware when printer is not in the ready state. Am I at the point of getting a main board?

Anyone!

[KrazyToad]

@Service_Tech

Welcome to HP Community

I have gone through your Post and I appreciate all your efforts and expertise in troubleshooting this issue

At this point I suggest you contact HP Support in your Region for Service Options

1) Click on this link - www.hp.com/contacthp/ 
2) Select your product type below.
3) Enter the serial of your device. 
4) Select the country from the drop-down. 
5) Select the chat or get phone number options based on your preferences. 
6) Fill the web-form and proceed further.

Thank you

If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.