Question about HP DeskJet 3745 Printer

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No power i have problem in my printer hp Deskjet 3744 no power, i can tester my power adaptor they have stable voltage and when i try to other printer it can work properly but when i back in my printer they didn't work what i can do please help me thanks...

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It's yr logic card problem. called power wich is placed in printer i need to repair..

Posted on Jan 08, 2009

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Again the switch chip is damaged. Replug the power cable to the adapter. If you hear the "sparking" sound, then the contact is okay.
Replacing the switch chip is going to be problematic.

Posted on Oct 20, 2010

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You should try this solution:
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