Question about HP LaserJet 4 plus Printer

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Gray background on 2/3 of the page from left

The whole 2/3rds of the page has gray background, not just a line or 2.  It gets darker sometimes as I print more.

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  • jibaamm Jul 01, 2008

    the whole page printed has a gray background and it does getting darker if i print a lot..

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  • Expert
  • 159 Answers

Change the drum unit
if the problem dos not solved clean the scan unit

Posted on May 15, 2008

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Pages printing with a gray background


could be waste toner in printer inside the printer it may need a clean.

Apr 27, 2015 | Ricoh Aficio CL7100 Printer

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When you print each page has a gray/black line running down the page from top to bottom about 2.5 inches from the edge of the paper. Sometimes it is darker and other times it is lighter. We have tried...


While the line is showing up on the output pages.
Stop printing and put paper in the manual feed tray (tray 1).
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Pull out the toner and look at the page inside the printer. If it doesn't have the grey/black line, get the fuser replaced. It is defective.

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Hello, I would like my pictures to have a white background. When I take the picture on a white background the background ends up looking gray. I am taking pictures of baby clothing and I want the clothing...


Exposure meters are designed on the premise that the scene is an average, middle gray, in brightness. If you take a picture of a white dog playing in the snow, the camera will try to make the picture come out middle gray (a gray dog playing in gray snow). If you take a picture of a black cat sitting on black asphalt, the camera will try to make the picture come out middle gray (a gray cat sitting on gray ground).

If the white background is dominating the scene, the camera will reduce exposure to try to make the entire scene come out middle gray. The solution is to meter on something else. Move in close and fill the frame with the subject, press the AE-LOCK button, then move back, compose the picture, and take the shot. For full details, refer to the "Shooting with the exposure locked --- AE-LOCK" section in the manual (page 52 in my copy).

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Gray background only on odd number pages


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May 17, 2009 | HP LaserJet 1020 Printer

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Want a B&W copy from colored sheet of paper w/o dark background.


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Mar 25, 2009 | Canon imageRUNNER C5180 Color Copier

1 Answer

Each succeeding copy gets darker and darker


When was the drum replace? Recently? Could it be time again?
Was it a remanufactured unit?
Regardless of all that, It sounds to me like the drum is failing.

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2 Answers

Lines down both the left side of the printouts.


good day,

this usually occurs when you print large volume of copies of documents that goes beyond the printable area of the paper, some powders stick in the roller of your printer hence making the gray streak.

you can check if the rollers have accumulated some powder, if so, have the rollers cleaned.

i hope this will help.

Oct 14, 2008 | HP LaserJet 4L Printer

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Black dotted lines accross the whole page


Jason,

If the whole page is covered with stuff that's not supposed to be there, and that stuff sometimes changes shape or color on each page. then you look to the DRIVERS and connection 1st. Corrupt printer memory can also cause this.

If the corruption tends to be consistent across print jobs and it's only on certain spots on the page, you can start to look for mechanical defects.

Can you describe in more detail?

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When printing a scanned object, paper is all gray


Whatever scanning utility you are using, set it to Black and white, not grayscale nor colour! regards, babb

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