Tech Help — Designjet T610 T1100

Question: "Hi,I recently did my second belt replacement on my T1100 (both belts from LPS as they appear to be the only ones with the guide ribs). The first time everything went well. This time, the machine keeps insisting on a printhead replacement.I've tried the printhead recovery kit (and changed printheads), and ink readily flows through the tubing into the printhead carousel. But the system keeps failing the first printhead, telling me to reseat/replace it. I do this, it moves to the service station, and fails again. Is there anything else I could have mis-reconnected? the cable and ink tubes...

"I am asking for your valuable help. When I was testing carriage assbly on mode access to plotter HP T 1100 it did not pass.  when testing pens voltage step plotter shows an error message 02.1:10.  I check on system error codes and I see it is a carriage PCA failure, maybe is the reason because the printer does not accept black gray printhead. I am trying to replace carriage assembly and ask you if it would be a good idea?Thanks for your help" It sounds like you have diagnosed the problem correctly.  The failing component is most likely the...