Hp officejet 8710, Black ink poured into unit and onto desk. Cleaned up, changed cartridge; now erro

[tizh-p]

(K) = Black ink

There is a problem with the supply system.  Try replacing the affected cartridge with a different non-empty, cartridge. 

If message reappears again, record message and contact HP.

[sandytechy20]

@tizh-p 

Welcome to the HP support community.

I understand that you are getting a supply system error, I am glad to assist you.

Follow the steps mentioned in this HP document to fix the issue:- Click here

Keep me posted.

If this helps, please mark the public post as an accepted solution so that it benefits several others.

Cheers.