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Old 12-23-2021, 07:32 PM   #4
redwire
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Join Date: Dec 2010
City & State: Alberta
My Country: Canada
Posts: 2,617
Default Re: Reusing power supply from HP LaserJet RM1-5315

The PC board has text labels for the wires, such as "3.3V" and "REMO" on the small connector...
I don't think it ever really shuts off? Unless it goes into some low voltage mode like Canon printers.
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