Question about HP OfficeJet Pro K5400dn Photo Printer

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When printing on my HP officejet pro L7680 the printed sheets has lines across it and the text is missing from the lined area

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The HP88 printhead can dry out and cause clogging in the black part of the K/Y (black/yellow) printhead.

This has been a major problem for a few client schools of mine and for me in my attic space where air conditioning and/or hot dry air causes clogging.

You may want to consider purchasing a new printhead and an alternative black ink supplier (non HP) that uses Dyebase ink instead of pigment as this doesn't clog in the same conditions.

However, please note that if you do this it means you may lose your warranty (certainly on the printhead) and the printout won't be as clear for text as the black ink can "bleed" slightly into other colours. It has however solve the problem of clogging in one school that went through 5 printheads in two terms/semesters until we switched.

Posted on Jan 23, 2009

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Print the self-test report from the front panel of the all-in-one and check the result. If the print is good, then clean the cartridges and then align the cartridges from the solution center and then try to print.

If the self-test report is not fine then check the ink levels and then clean the cartridges with a soft cotton cloth and then align the cartridges and even clean the print cartridges.

If the issue still persists then power cycle the all-in-one and then reset.

Posted on Aug 02, 2008

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Have looked for compatible HP88 printheads but can't seem to find any. Does anyone know a website that supplies them

Thanks

Posted on Mar 24, 2010

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1 Answer

How do I clean HP officejet Pro L7680 All pictures have severe vertical lines??


Have you tried the "clean print head" option in the HP Officejet Pro software on your computer? This will often fix verticle lines. But, it will use a lot of ink.

Nov 04, 2014 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

I bought some cheap toner and noticed almost immediately streaking and missing lines. I replaced it with HP toner but now black won't print at all.


If your printouts are streaked or faded, missing black or other colors, have blurred or fuzzy text, or ink streaks or smears, or show other problems, please refer to the link below for troubleshooting steps for print quality issues.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01957673&tmp_task=solveCategory&lc=en&dlc=en&cc=us&lang=en&product=2512009

Apr 03, 2011 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

A black vertical line is on each copy.


Try the 6500 driver. I have seen that allow text print but no graphics. If line disappears, reinstall 7680 driver. If line comes back, contact HP about updated drivers, check their website OR try to get your money back. I have never had luck with this series of AIO.
Good luck.

Feb 08, 2010 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

L7680 has been printing perfectly - printed


Yes, you can pop the cover on the right over where the printhead parks, and remove the black/yellow printhead and soak it in about a 1/4 inch deep water for 30 mins or so, you only want the nozzle area on the bottom in the water. However if you are using generic inks it may report a printhead failure soon. After soaking you dab the bottom on a paper towel and look for a solid black line on the towel.

Jan 10, 2010 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

My officejet pro l7680 is printing with words


if the ink level is more than half then try to clean the cartridges and the contacts on the printer with a lint free cloth and from printer options as well..
on printer..
press setup button > go to tools > try to clean cart / align the cart and then try to print..
if it doesnt help try with another set of cart.

Oct 29, 2009 | HP Officejet Pro L7680 All-In-One Printer

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