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I’m using an HP Designjet T2300 and after I replaced the fan for the power supply it gave me error 22.1:10. Can you please help me because I cannot even get the printer initiated nor can I access anything on it. 

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Check the cables you unpluged. Those two wide cables can easily be wrongly plugged. Check them first. The grey wide cable has one red, which goes to the left ( red arrow) 

 

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