Question about HP Business InkJet 2800 Printer

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I have an hp2800 is printing vertical lines through the graphics, I have pictures. I did every cleaning test out there, the diagnostic page states my printer heads are good my color is good, whats the problem?

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Try installing cleaning cartridges and running a clean test again. If that doesn't help then contact Hp because the print head is probably damaged.

Posted on Feb 28, 2009


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Copier is not connected to PC. Stand alone. Vertical line on copy

To determine if the line is caused by the cartridge, try printing a test page. Not sure of your model, but there should be a menu setting to print a configuration page. If that configuration page prints out clean, then there is likely debris in the scanning area of the document feeder. You should be able to locate the debris by lining up the vertical line with your feeder. If you could reply back with the model of your Canon device, we can help you a bit more. Alternatively, you should be able to pull the cleaning instructions from the manual for your copier.

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Transfer Belt Leaving Color Streaks on Pages

Try replacing color toner of the same color that are the lines.If the void was in the same place all of the time then I would say use a Q tip dipped in 90 proof alcohol and clean laser.

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How can i fix the lines down my laptop screen

I found this on the Dell support page . It's the response from their techs. This is just one part of the conversation. You should read the rest for better specifics to your particular problem. Also, you can create an account and do diagnostics from their site. You use your SERVICE TAG number on the bottom of your computer to identify your computer with their records. Doing this should also give you access to your warranty information. It's not uncommon for them to send a local tech to your home to fix it.

So the trick when troubleshooting graphic problems is to determine if it is the LCD or the video card. The easiest way is plug in an external monitor to the notebook, if the external monitor shows the picture fine then the problem is with the LCD.

If the external monitor has the same problem then it is a problem with Windows / video drivers or with the video card itself.

That test ofcourse requires having an external monitor, if you don't have one then the diagnostics can help. The key to running diagnostics is to run the BIST test. Run diagnostics by starting the system while holding down the FN key or by tapping the F12 key and choose diagnostics. Allow the basic tests to start, after a moment you may notice a video test running, allow it to run and it will ask if it looked ok, you should choose no, this will start the BIST. What happens is that once the BIST starts the video signal is actually generated by the LCD and not the video card. So if you noticed the graphic problems while running normal diagnostics, you selected no, the graphics test didn't look good, the LCD would create its own signal, so if all of a sudden the image started looking good, with no problems that implies that the problem is with the video card, while if the picture still looked bad and had the same problems the LCD is defective.

So the questions that should be asked, are as follows:

While running the video test it will ask if the display looked alright. You chose no, the BIST started, did you still notice the vertical lines?

You tested with an external monitor, did the vertical lines go away?

If you answered yes to these three questions then the problem lies with the LCD. If you answered no to the questions then the problem lies with the video card.


Feb 01, 2013 | Dell Inspiron 15 Laptop

1 Answer

Printer full of ink, but will pring pages either blank of with smeared ink.

Follow these steps to check the print settings for your print job.
  1. In the software program you are trying to print from, click File and then click Print . The Print dialog box opens.
  2. Select your product, and then click Properties . The printer Properties dialog box opens.
  3. Click the Printing shortcuts tab.
  4. Under Printing shortcuts , click the type of job you are trying to print.
  5. Review the following options, and then make any necessary changes.
    • Paper size : Make sure that the selected option matches your paper size.
    • Paper type : If one of the options matches your paper type exactly, select that option.
    • Print quality : If you are not satisfied with your printed page quality, or want more densely printed prints, increase the print quality. To print more quickly, or for lighter prints, decrease the print quality.
  6. Click the Features tab.
  7. Check the Print in Grayscale setting
    • If you are trying to print in color, select Color Options , and then make sure that Print in Grayscale is not selected.
    • If you are printing a black and white image, select Print in Grayscale to fix streaking in black areas.
  8. Click OK , and then click OK again to start the print job.
Make sure the printer is loaded with unused white paper.
Open HP Solution Center , then click Settings , then Printer Toolbox .
Select the Services tab.
Click Print PQ (print quality) Diagnostic Page .

Make sure the printer is loaded with unused white paper.
Open HP Solution Center , then click Settings , then Printer Toolbox .
Select the Services tab, then click A- Click Align Printheads or
B- Click Clean Printheads .
C- Click Calibrate Linefeed .

If, after repeated printhead cleaning, the Print Quality Diagnostic page shows white lines across the color blocks in Test Pattern 2 (but no white lines in the gray blocks in Test Pattern 3), one or both of the printheads will have to be replaced. The Print Quality Diagnostic page shows which printhead should be replaced.

Try using the HP Scan Diagnostic Utility in Windows - HP Customer Care (United States - English)

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1 Answer

Printer output has shadows, blurring, streaks, lines, poor color

Seem like blocked hole(s) on the color print head...
Most likely if there is a deep clean option then do it (may need a few times to unblock a hole or never).
Also get the printer physically cleaned up if you can see dusts inside (vrtical lines on color bars).

Mar 20, 2009 | HP DeskJet 9800 InkJet Printer

1 Answer

Vertical lines

1. Took out the ink carts and cleaned the copper contacts of both the ink carts.
2. Clean the copper contacts on the ink carts slot in the printer and then insert the ink carts in the printer and then print out the page.

Dec 11, 2007 | Epson Stylus C60 InkJet Printer

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