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HP L7680 black print streeks every 5-6 lines

HP L7680 pager jam cleared but now black print streeks every 5-6 lines. Changed black cartridge, didn't fix problem.

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  • Anonymous Mar 12, 2014

    black streeks print on page after cleaning

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Any inkjet printer with this problem is caused by a build-up of ink on the undercarriage or the wiper assmbly.Usually on the right side where the cartridges are at rest. You have to get messy and clean that build-up with moistened cloth, qtips etc.

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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2 Answers

How to fix blank pager printing on hp laserjet 2420


the laser beam is block you need to open the printer and unjammed
since every time you put a toner cartridge there is a fin that moves the cover over the laser or maybe you have a faulty cartridge that the fin is broken

Apr 09, 2014 | HP LaserJet 2420 Printer

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HP officejet pro l7850 wont print black


are you using hp original cartridges? if not, then thats probably the issue!

Jun 30, 2012 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

My out of warranty l7680 will not print or photocopy in colour. Printhead status says Refilled supply Detected in printhead Black No/Yellow Yes Magenta Yes/Cyan Yes Detected in Printer Black No/Yellow Yes...


The error states that you are using non-HP cartridges for all colours. If black prints fine then you should replace the colour cartridges with genuine HP colour carts. You should be able to get a refund on the refills since they clearly do not work as intended.

May 25, 2010 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

My HP OfficeJet L7680 just stopped printing ANYTHING black. I change the black cartridge twice.I cleaned the printer heads, aligned it and still it will no longer print anyhting in black. When I do a test...


It sounds like your printer setup has changed to generating black by MIXING the color inks... if you run out of the cyan and yellow it will do red in spite of how many changes you make of the black cartridge.

Investigate the setup for the printer to make sure it is set for black from the black cartridge.

Apr 15, 2010 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

L7680 printer was working fine. It stopped printing black but will print all other colors. I just replaced the black ink cartridge and it still won't print black. Do you know the fix for this?


If you print primarily black, your black/yellow printhead may have worn out and needs to be replaced. Go to start, printers and faxes, select the L7680 and then select properties. Print a test page and run the troubleshooter to clean the nozzles and lines. If it's not the nozzles or lines, search for C9381A on google and purchase a new printhead it should be about $70.

Oct 30, 2009 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

HP officeJet Pro L7680 will print in color but without any black.


I have the same problem with my Officejet Pro L7780, so you are not alone. Have you found any solutions?

Jun 03, 2009 | HP Officejet Pro L7680 All-In-One Printer

3 Answers

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


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.

Aug 02, 2008 | HP OfficeJet Pro K5400dn Photo Printer

1 Answer

HP Officejet L7680


i say change the print head an the cartrige an that should be find
couse i did an my printer is perfect
by andrew

Feb 05, 2008 | HP Officejet Pro L7680 All-In-One Printer

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