Question about HP Officejet Pro L7680 All-In-One Printer

2 Answers

Print Head Problems

My Black/Yellow print head started leaking. I purchase a new B/Y print head. I installed it and I printed one copy just fine. Then I started getting the message, Problem With B/Y Print head. I reinstalled sevral times to make sure is was in correctly. I still get the error mesage. The printer will not print.

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  • Anonymous May 09, 2008

    B/Y will not work. Second print head and started doing the same thing after a week of use.

  • Anonymous May 09, 2008

    My printer started reporting the same Print Head error. After cleaning both the contacts and then the ink jets, the problem did not go away. In fact, both print heads are now reporting an error. I have repeated both cleaning the heads and re-seating them and I still have the problem. If indeed the print heads are bad, then they did not even outlast my first ink cartridges.

    I am now getting cryptic messages on the User Display telling me to turn power off and then on. It is beginning to look like its a software issue.

  • sayler May 27, 2008

    One of my HP7680's quit printing black. I purchased a new K/Y printhead which solved the problem. A week later I had a scanner error... would not scan documents from the ADF. HP support guided me through some tests after which both my old and new printheads report having a problem = no printing. HP is replacing the printer but I'm supposed to use my existing ink and heads in the new one. My other HP7680 lasted 2 weeks longer and now has the same K/Y printhead problem... however, it still scans properly.

  • TRAUM Jun 04, 2008

    Machine won't print. The printer keeps stating that magenta ink carterigde does have enough ink to insure printer health, however we only print black and white and once new HP magenta carteride was installed machine continues to state the carteridge is too low to print.

  • Anonymous Jun 05, 2008

    replaced the black/yellow print head the message reads the following printhead has a problem

  • vando53 Jun 12, 2008

    i've got the same problem. changed print-head, printed a few copies and now it says that the printhead has a problem..............help!!

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Already cleaned print head any other suggests?

Posted on Jul 09, 2009

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Try cleaning the print hade sensor useing alcohol.it is by the home position whera the print hade is installed.

Posted on May 01, 2008

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1 Answer

Replaced ink cartridges and now printer will not print black and sometime


Inkjet printers need to be used frequently to prevent blocked print head nozzles. You may have blocked print head nozzles.
Try the printer maintenance to clear the printer nozzles.
After several deep cleaning attempts and there is no improvements in the print then a new print head is required.
A new print head maybe expensive and it maybe more cost effective to purchase a new printer.

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X75 My color won't work. Black is fine. I installed a new one at Xmas and it worked fine. I hardly printed anything.. Yesterday the test page with peacock showed no blue and everything came out yellow. ...


run the print head cleaner tool using the lexmark software. since you hardly used the color the print head nozzle is dried up and needs to be clean.
run the print head cleaner atleast 5-10 or more times as needed.

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Are the ink cartridges just a few copies, I have new copier and print is very faint


Hi,

You need to clean the print head and insert the cartridge and check, whether it is working at fine because a dirty printer header will not allow the right formulation of the basic cyan, magenta, and yellow to print and comes up with the yellow color and not red.
If you still face the problem after cleaning print head then you need to check for a clogged nozzle. Clean the nozzle and then try printing it will work fine now.
To clean the print head from the Utility section found in the printer driver, clean the print heads by performing a head cleaning followed by printing a nozzle check pattern. Furthermore, you can clean the print head by Using a cotton Q-Tip & Isopropyl Alcohol and gently rub the print head with alcohol.

Hope this helps.

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Don't print the black color


Doing reference on your issue. Double check the ink cartridge to make sure that the cartridge is correctly installed. Also be sure that the black ink cartridge used is compatible with the machine.

The next thing to do is a cartridge cleaning as the belief is that the print head is blocked. If you have done a thurough cleaning, the next thing to do is replace the black ink cartridge to be certain the ink cartridge is not faulty.

I have included print head cleaning instructions in case you have not done this cleaning process.

here is some information from the Brother support site:

If one or more of the ink colors are missing from pages printed by your machine (i.e. received faxes, copies and/or documents printed from the PC etc), nozzles in the print head may be clogged, or the ink cartridge in question may not be installed correctly. Verifying that the ink cartridges are installed correctly and/or cleaning the print head may solve the problem.

Cleaning the print head may solve the problem. When cleaning the print head, you are given the option to clean BLACK ONLY, one of the three colors (CYAN, YELLOW, or MAGENTA), or all four colors at once. For this issue we recommend cleaning only the affected color. If more than one color is missing then choose ALL.

When the machine completes cleaning the print head, press Color Start. A Print Quality Check Sheet will print.

Brian




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First thing I would look for is something on the print head contacts. Also is it a new black ink tank? Your old tank may be clogged and thus the ink can not even travel to the print head.

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hi this is nichu, you have done everything correct but the ink is low in your catridges refill it or purchase a new one.

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