Question about HP DeskJet 3940 InkJet Photo Printer
Printer icon in Printers Folder say Door Open. Happened once before. I fixed it with a Hard Reset,but that did not work this time.
Hmm normally it should have problem with your door micro switch. you can find it by looking for plunger at side of the door. i did know exactly but you have to find it. if you found it you can play with the swith push on and off (spring loaded off)
try to push firmly while on the printer see if the problem occurs. if it does not, confirm your door microswitches.
to overcome this you can spray contact cleaner to the switch or putting something to the door which touch the microswitch to make it long and actuate the microsw.
Posted on Mar 06, 2009
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Posted on Jan 02, 2017
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