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HP Designjet not turning on.

HP Recommended
HP Designjet T120
Microsoft Windows 10 (64-bit)

Good day,

My HP Designjet T120 is not coming on, when i turn it only give me a number B8771F92. It doesn't indicate whether its a error code or not, just sticks a blue screen with that number on it. Screen that shows when printer is turned on.Screen that shows when printer is turned on.


Can anyone assist me, in figuring out how to fix this issue?

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HP Recommended

This is a mainboard failure and will require you to replace the main system board in the printer.

If you find the information provided useful or solves your problems, help other users find the solution easier by giving kudos and marking my post as an accepted solution.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.

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