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HP Officejet Pro L7680 All-In-One Printer: gaps in magenta printing--I have replaced the ink, cleaned the printheads, aligned the printer...The only thing I can find is that the cyan/magenta printhead seems to be missing a hard foam piece below it. (The yellow/black one has this piece, but the C/M one doesn't, although I bought the printer new...)

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6ya6ya
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Posted on Jan 02, 2017

  • 32 Answers

SOURCE: replacement of printhead

hi burhanzj-

just for future refs, here are a few links to hp's support site that might be helpful:

changing print heads -
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c00491050&dlc=en&product=501369

cleaning print heads -
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c00489797&dlc=en&product=501369

reviewing the configuration page -
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c00601504&dlc=en&product=501369

Posted on Oct 08, 2008

technotech
  • 183 Answers

SOURCE: HP L7680 Printer Head Problem

Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Step two: Increase the print quality mode
If reprinting did not help, try increasing the print quality mode.
In the application you are printing from, click File, and then click Print. Make sure the printer is selected, and then click Properties.
Select the Paper/Quality tab. In the Print Quality area, choose the next higher quality setting. If the current setting is Draft, choose Normal. If the current setting is Normal, choose Best.
Step three: Print in grayscale (black area streaking only)
If the streaks are in a black area of a black and white printout, change to grayscale printing.
NOTE:- This step does not apply to color printouts.
In the application you are printing from, click File, and then click Print.
Make sure the printer is selected and click Properties.
Click the Color tab, and select Print Grayscale and High Quality.
Step four: Clean the printheads
If the print quality is still bad, clean the printheads.
Make sure the printer is loaded with unused white paper.
Open HP Solution Center.
Click Settings, Print Settings, and then select Printer Toolbox.
Click the Service Tab.
Click Clean Printhead, and then click Clean.
Step five: Align the printheads
If the print quality is still bad, align the printheads.
Make sure the printer is loaded with unused white paper.
Open the printer Toolbox, and select the Printer Services tab.
Click Align Printheads. The Align Printheads window opens. Click Align.
The printer prints an alignment page. The lines in the patterns should appear to be straight. Click OK when the page finishes printing.
Step six: Calibrate the linefeed
If the print quality is still bad, calibrate the linefeed:
Make sure the printer is loaded with unused white paper.
Open the printer Toolbox and select the Printer Services tab.
Click Calibrate Advanced Linefeed. The Advanced Linefeed Calibration window opens. Click OK .
Step seven: Replace one or both printheads
If the print quality is still bad after performing all the above steps, one or both of the printheads will have to be replaced. Print a PQ Diagnostic page to see which printhead should be replaced.
Make sure the printer is loaded with unused white paper.
Press the Setup button.
Press 1 and * simultaneously.
Look at the color blocks labeled Test Pattern 2. Some or all of them could show white horizontal streaks. If none of the blocks are streaked, the printheads are okay.
If the Black block has lines – replace the KY printhead.
If the Cyan block has lines – replace the MC Printhead.
If the Magenta block has lines – replace the MC Printhead.
If the Red block has lines – replace the KY printhead.
If the Green block has lines – replace the KY printhead.

Posted on Nov 10, 2008

  • 8 Answers

SOURCE: printing with my second hand hp officejet d145

You can clean it with maybe a little alcohol then go thru the motions of cleaning from the printer controls

Posted on Feb 26, 2009

  • 1 Answer

SOURCE: HP D135 - replaced printhead - still doesn't print in that color

try this link : I followed the directions and fixed the problem. the instructions that came with the new printhead weren't really complete.

Here's essentially all I did for my fix - Opened the printer top, turned the printer off. Removed the "bad" printhead, cleaned the metal contacts on the printhead and printer with windex. Closed the printer. Turned it on. waited for it to reset. Opened the printer. Turned the printer off again. Installed the printhead. Closed the lid. Plugged the printer in again. When it was ready I accessed the HP toolbox and alligned the printheads and cleaned the printheads. It worked. Here's a link with photos.


http://h10025.www1.hp.com/ewfrf/wc/document?docname=bpa02107&lc=en&cc=ca&dlc=&product=64986

Posted on May 01, 2009

  • 1 Answer

SOURCE: Officejet Pro L7590 printhead message (printheads only 2m. old)!

Good advice, but HP refused to replace the printhead despite the fact that it is still under warranty (expires 4-7-10). Tech support (very hard to understand) said I would need to buy a new printhead to confirm that the problem was not the printer itself. When I asked about this, they cut me off.

Posted on Sep 25, 2009

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Hi, the magenta ink won't work on my printer hp office jet pro k8600. I have replaced it with a new one and even though is shows that it's full on the ink levels it won't print it at all, I have tried all...


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Printhead problem


Most likely your right but you can use the diagnostic test tool which is free from HP. This is the second one I have had and the first one was the print head burned out, however the guy was using after market ink and thats what caused it to short out the head. heres the site thats for free.
http://h10061.www1.hp.com/ccsearch/search?pname=HP+Officejet+Pro+L7680+All-in-One+Printer&opname=HP+Officejet+Pro+L7680+All-in-One+Printer&qry=cyan+print+head+error&method=prodFinder&enc=UTF-8&ctry=us&lang=en&dlc=en&sni=2512009&search=0&submit.x=0&submit.y=0

May 28, 2010 | Office Equipment & Supplies

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

1 Answer

Printing yellow for black


Hi Jan,

Can you confirm that you are using a CIS or non-HP cartridges with this printer?

It sounds a lot like the printhead has reached a clogging point where sediment has built up in the black portion and loosens enough to printer a few lines before it re-asserts itself again.

Based on my experience of this printer, if you're using a non-HP delivery system for ink then you should consider replacing the black ink with a dyebase alternative instead of pigment.. Replacing the Black/Yellow printhead and running a number of test prints to purge the pigment ink in the printhead should then result in a clean and more reliable printout in future.

One other vector for problems is the cleaning area and I've found that this can become soiled with excess ink causing cross contamination within the inks of one printhead. As yet I've not found a reliable solution to counter this sort of issue.

Hope this gives some clues and hopefully some ideas of a fix.

Martin

May 24, 2009 | HP Officejet Pro L7680 All-In-One Printer

1 Answer

HP officejet pro l7680 all in one


Most likely the print head has failed and the black is not printing which is causing the printer to have issues. Talk to HP as I guess printheads have warranty or simply change the yellow/black printhead. Or if all of these fail give the machine to HP to get you a new one as this is not right. I hope this helps.

Nov 18, 2008 | HP Officejet Pro L7680 All-In-One Printer

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