Question about HP DeskJet F380 All-In-One Printer

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Why my hp deskjet 3940 switch to offline and the power button is blinking when i started to print?

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Hi, Try these links and look through them, hopefully 1 may of some use to you.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02114788&tmp_task=solveCategory&lc=en&dlc=en&cc=uk&lang=en&product=445449

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02221706&tmp_task=solveCategory&lc=en&dlc=en&cc=uk&product=445449&lang=en

As for the Power light flashing, maybe due to the fact your trying to print while the printer is offline it might flash to notify you or check this link...
http://h10025.www1.hp.com/ewfrf/wc/searchResults?tmp_product=HP+Deskjet+3940+Color+Inkjet+Printer&product=445449&tmp_qt=hp+3940+power+button+&lc=en&dlc=en&cc=uk

Hope you get a good result.. cheers Ytee

Posted on Aug 20, 2010

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Related Questions:

1 Answer

Blinking power light,shows,offline,and will not print


Blinking power light can be either out of paper or out of ink. Have you checked Paper and Ink levels?

Mar 03, 2011 | HP DeskJet 3940 InkJet Photo Printer

1 Answer

3940 blinks and cant pritn


hello lotsaprint, ipang
Few days ago i had the same problem with my hp 3920 color photo printer. All i did is removed the cartridges one by one and the problem was solved. Try removing the color cartridge first, then switch on the printer see i the problem is solved the cartridge contacts must be dirty. clean it with soft tissue (dont use any liquid) and reinsert the cartridge. If the problem persists u may need to replace the cartridge. Check with a new one if u can borrow one from anyone b4 u buy.
Repeat the same procedure with black cartridge if necessary. If u r new and need guidance for removing the cartridge, then do the following.
1). Switch on the printer.
2). Open the front cover. The cartridge will now move to the
center.
3). Switch off the printer and remove the power cord.
4). push the cartridge gently downwards to detach.

Close the cover when u r done with above mentioned.
For more info see the user guide u go with the printer.

Hope this was helpful
anishpillai2

May 05, 2009 | HP DeskJet 3940 InkJet Photo Printer

1 Answer

Printer goes shows offline, but it is not offline.


either one of the catridge is malfunction, try remove one of it and vice versa see if it not blink. if not, the catridge that you have removed require replacement..

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