Question about HP DeskJet 3940 InkJet Photo Printer
The front cover is the door. Make sure no obstacle resides between cover and chasis.
There is a small switch (under cover) on the left side of the printer.
If for any reason you get same error then insert a small paper between the switch and chasis.
pls. vote for better service
Posted on Nov 11, 2010
Compare una scritta: la stampante non è in linea. perchè? sembra tutto normale!
Posted on May 24, 2011
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Posted on Jan 02, 2017
SOURCE: I keep geting the door
make sure that the top cover of your hp deskjet is fully closed, open it up again, check for any obstruction then make sure you hear the snap sound when you close it back. if you're in the usa, you can contact 800-hp invent for technical support especially if the printer is still in warranty!
Posted on Apr 06, 2011
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