Question about HP Deskjet 6940 InkJet Printer

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Cleaning the printer heads

I have a HP Deskjet 6940.  When I print I get spots on my paper.  I have read the reference guide and have not found the information about cleaning the heads.  On other printers it will tell you on how to do this under the cover, but nothing is there.  It is connected to a iMac. Any suggestions on what I can try.  Thanks JV

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Use the deskjet 6940 toolbox that should be loaded. You should find it in the driver, look for a maintanance tab.

Posted on Oct 16, 2008

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I would like to perform a few regular maintenace jobs with my HP Deskjet 6940; however, without a current manual (O/S is Windows 7 32-bit) I have no idea what the "toolbox" is that is referred to...


1. Turn on your computer, wait for it to boot up, then turn on your printer and load with paper.
2. Locate the " HP Imaging Director " icon on your computer, it would have been added to your
monitor screen when the printer was installed.
3. Double click this icon and a screen will appear showing the functions available on your
printer.
4. Click on the " Settings " heading, scroll down to "print settings" and over to "printer toolbox".
5. Click on "printer toolbox" and you will be taken to the maintenance window.
6. From this window, choose what you want to do.

Feb 28, 2011 | HP Deskjet 6940 InkJet Printer

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My HP 6940 inkjet printer often won't print Excel documents.


wELCOME TO fIXAY
dEAR usER
YOu have to Correctly Configure your Printer.Try to Rest your Printer.Check your Cartridge..Also Confirm Ink is Ready to Print in your Printer... Check your Paper ...........
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Oct 15, 2010 | HP Deskjet 6940 InkJet Printer

1 Answer

Error message


Uninstall the printer driver from Device Manager, then scan for hardware changes and install the printer driver when it detects the printer...All the best

Oct 02, 2009 | HP Deskjet 6940 InkJet Printer

1 Answer

Ink levels


On Windows XP I could see the ink levels however now on Windows 7 there is no way to see ink levels or to clean the print heads. I have to use my iMac to see ink levels and clean the print heads.

Sep 17, 2009 | HP Deskjet 6940 InkJet Printer

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HOW DO i CLEAN THE PRINT HEAD ON MY HP 6940


Print heads become blocked for a number of reasons, but the most common is simply that the ink cartridge has dried out, and so has the print head. Anyway, here are a few hints and cleaning methods that MIGHT get things working again.
  • Never let the printer stand with an empty cartridge. Either fit a fresh one, or seal the print head unit in a plastic bag with a few drops of water for humidity.
  • If the print head has become clogged and the printer's head-cleaning cycle won't help (run it 10 times if you have to) you could try these things:
    • Soak the print head in hot water then leave it overnight, then try it again
    • If you have access to an ultrasonic cleaner that will take the printhead, use that. (These are used by jewellers and other people which have to clean small, intricate parts)
    • Buy some Isopropyl Alcohol and soak the printhead in that overnight. (You can get it from the chemist)
    • Use a Mr Cuppacino (or your Espresso machine). It's a small kitchen appliance which creates a jet of steam for frothing milk for making a cappuccino. You can use the jet of steam to blast the print head. But be careful that you don't melt things -- short, sharp jets only.
    • Each time you try a cleaning method, use a damp paper towel to gently wipe and dry the print head area.
    • Put a teaspoon of water in the bottom of the empty cartridge and try the cleaning cycle a few times.

Aug 03, 2009 | HP Deskjet 6940 InkJet Printer

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Orange button continuously flashes on HP Deskjet 6940 printer and printer will not print.


it is problem ink cartridge or paper miss feed please chack it and solve your problem


thanks
Tareq

Jul 31, 2009 | HP Hewlett Packard Deskjet 6940 InkJet...

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My hp 6940 wont print at all. it goes through the motions but paper comes out blank


First your printer off and on after remove old documents and give a new print.

Jul 07, 2009 | HP Deskjet 6940 InkJet Printer

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My HP Deskjet 6940 printer won't print


the printer needs servicing.the steel rod on which the cartridge carriage moves sometime oiling that steel rod makes it proper other wise the whole printer needs to be opened and the cleaning and servicing needs to be done.

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HP Deskjet 6940 printer - printing but no ink transferred to page itself


I have the same issue, but with a HP DJ 3550, I´ve heard about the data execution protection (DEP) migth help when changing the options, but still have to try it

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