This print head is free. This is the second print head in my 9900. The Cyan just seems shot, all others seem to be ok.
The tech who replaced was able to get flow through all the heads, so this must be am electro-mechanical failure.
I have heard that in the Piezography world you can program around bad heads so if anyone wants this head they are welcome to it. It replaced my original head in Feb, 2019. So only a couple of years old.