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HP Recommended

Ink cartridge MK says faulty, when replaced same message

 
installed new printhead MK-Y get message not completely installed.
also message says reseat gray cartridge

Front of machine does not acknowledge in ink MK or gray and shows old experation date for cartridges

Thanks for help

I was an HP Customer Engineer from 1995-2002.
During this time, I serviced contract and warranty calls within the Northern Indiana area. When I left HP, I took my HP Designjet service experience and started my own business servicing out of contract plotters. Designjetpartsfast.com was launched in 2009. With over 20 years Designjet experience, I can help you resolve issues you are experiencing with your Designjet Printer.
4 REPLIES 4
HP Recommended

I assume this is the T790. I suggest you remove all the printheads and ink cartridges and turn the printer off. Now turn it back on and wait till it tells you to put in the supplies and then do it and see what happens.

HP Recommended

Thanks for the suggestion. Next phase . . . .

 

Diagnostic said found failing part- SE 86-01.

I was an HP Customer Engineer from 1995-2002.
During this time, I serviced contract and warranty calls within the Northern Indiana area. When I left HP, I took my HP Designjet service experience and started my own business servicing out of contract plotters. Designjetpartsfast.com was launched in 2009. With over 20 years Designjet experience, I can help you resolve issues you are experiencing with your Designjet Printer.
HP Recommended

Did you close the printhead cover on the carriage assembly when you removed the printheads?

HP Recommended

Yes, I did.

Same error as from the start.

I was an HP Customer Engineer from 1995-2002.
During this time, I serviced contract and warranty calls within the Northern Indiana area. When I left HP, I took my HP Designjet service experience and started my own business servicing out of contract plotters. Designjetpartsfast.com was launched in 2009. With over 20 years Designjet experience, I can help you resolve issues you are experiencing with your Designjet Printer.
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