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

1 Answer

Thin white lines all across page

I've cleaned, aligned and calibrated the heads and they're still there! Help!

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  • southbaygal Aug 08, 2008

    horizontal lines pretty evenly spaced

  • rsharling Sep 08, 2008

    Thin white lines all across the page & it is getting worse, cleaned ink heads with a q-tip & rubbing alcohol and changed ink cartridges..........still the same.

  • Mark Lou Surmeon
    Mark Lou Surmeon May 11, 2010

    Is it a vertical line or a horzontal line?

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  • 180 Answers

Try using another printhead.

Posted on Aug 09, 2008

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We have been getting white horizontal lines on our documents. Both print heads were recently replaced and that did not solve the problem. What part is needing replaced?


I had this same problem and none of the printer services (clean printhead, align printer, calibrate linefeed) fixed the problem. After trying every solution that I found on the internet with no success I was able to fix the problem by cleaning two critical parts of the printer.
1. Turn off the printer and open it as though you are going to change the printheads.
2. Towards the back of the printer you will see a thin clear plastic ribbon that has very small black lines on it. Very, very, very gently clean this ribbon. I used a lint free cloth and some glass cleaner. Spray the cleaner on the cloth and slide the cloth against both sides of the ribbon. Do not pull on the ribbon. This ribbon is used to tell the printhead how far it has moved from side to side.
3. Next locate the silver bar that runs across the back of the printer. This bar is used to feed the paper through the printer as it is printing a document. On the left side of the bar you will see some plastic guides that hold the bar in place. On the outside of the plastic guides you should see a clear plastic disc made of the same material as the ribbon above. This disc also has very small black lines on it. Again very, very, very gently clean this plastic disc. This disk is used to tell the printheads how far it has travelled down the page. This is the one that was causing the problem. The dust or dried ink or whatever was on the disc was causing the printer to incorrectly calibrate the linefeed and was causing the white lines to appear on my documents.
4. Use the "calibrate linefeed" function of the printer services to recalibrate the linefeed and the white lines will hopefully be gone.

Jul 26, 2011 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

On my Test Pattern 2 the blue/light blue and green/yeallow have steeks in it. The documents that I print have streaks going across the page. I've cleaned everythign I can clean. The printer has 6,251...


SolutionFollow the given steps in the order presented to resolve the issue: Step one: Retry the print jobThe problem may occur only rarely. If you have not seen it in other printouts, try again. Step two: Increase the print quality modeIf reprinting did not help, try increasing the print quality mode.
  1. In the application you are printing from, click File , and then click Print .
  2. Make sure the printer is selected, and then click Properties .
  3. Select the Paper/Quality tab.
  4. 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.
  1. In the application you are printing from, click File , and then click Print .
  2. Make sure the printer is selected and click Properties .
  3. Click the Color tab, and select Print Grayscale and High Quality .
Step four: Clean the printheadsIf the print quality is still bad, clean the printheads.
  1. Make sure the printer is loaded with unused white paper.
  2. Open HP Solution Center .
  3. Click Settings , Print Settings , and then select Printer Toolbox .
  4. Click the Service Tab .
  5. Click Clean Printhead , and then click Clean .
Step five: Align the printheads If the print quality is still bad, align the printheads.
  1. Make sure the printer is loaded with unused white paper.
  2. Open the printer Toolbox , and select the Printer Services tab.
  3. Click Align Printheads . The Align Printheads window opens. Click Align .
  4. 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:
  1. Make sure the printer is loaded with unused white paper.
  2. Open the printer Toolbox and select the Printer Services tab.
  3. 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.
  1. Make sure the printer is loaded with unused white paper.
  2. Press the Setup button.
  3. Press 1 and * simultaneously.
  4. 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.

Dec 21, 2009 | HP OfficeJet Pro L7580 InkJet Printer

1 Answer

Prints have a thin white line across all the images printed. Everything else works and prints are ok outside of the thin white line running horizontal across the 5x7 prints.


  • Thermal head — generates heat; prints on paper
  • Platen — a rubber roller that feeds paper
  • Spring — applies pressure to the thermal head, causing it to contact the thermo-sensitive paper
  • Controller boards — for controlling the mechanism
I think that you may need to replace your thermal head, A line means there is a place that the head can not head or it cannot recieve data
http://www.youtube.com/watch?v=LWs74J7EfjM
How to matinence it and clean the head

Oct 21, 2009 | Sony UP DR100 Thermal Photo Printer

2 Answers

HP 2210, screen says to press enter to aling cartridges


Once you replace a cartridge on a 2210 ya page prints and you must put that page on the scanner window and then press enter. Your computer will go through a calibration to align the print head. once this is done you can throw away the paper and printing will be normal

May 27, 2009 | HP PSC 2210 All-In-One InkJet Printer

1 Answer

Thin cyan lines across entire image and into border area


rrrosz,

From your description, it sounds as though you have a faulty main board in the printer. This type of problem is unlikely to be software, but if you want you can try to reload the software. However I doubt it will help.
The unit will require a professional diagnosis to confirm as it will needed to be tested on a test pc in a registered service centre.
There is a slight chance it is the printhead, but I have my doubts about that also.

Gremlin11

Dec 13, 2008 | Epson Stylus Pro 4800 InkJet Printer

1 Answer

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.

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2 Answers

White lines in print


Does the printer have replaceable printing heads, or are they integral to the ink cartridge. If so they may need replacing or calibration. Another issue may be electronic contacts, check inside the printer and on the cartridges for any dirt or debris on the (usually copper colour) contacts on either end.

Also, if possible try the printer on an alternate computer to ensure it is not a problem with your software.

Kind regards, ACD

Jun 10, 2008 | Printers & Copiers

1 Answer

EPSON Stylus CX3810 thin white line in every printed line


Hi there the likely thing is that there is a small blockage in the print heads not allowing the jet to fire and causing a blank line. You could remove the print head turn it upside down using a soft cloth clean the print head also use a alcohol based fluid to aid you.

Try this if it's doesn't work then the print head will need replacing you will be able to buy online.

Thanks J

Jan 12, 2008 | Epson Stylus CX3810 All-In-One InkJet...

2 Answers

Epson Photo R265 Lines every 2.5 cm


check if those lines matches the positions of the rollers inside the printer - you can see some of them by opening the cover

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