Question about HP LaserJet 3050 All-In-One Printer

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Printer putting line down the page

We have a 3050 in an office that is putting a line down the pages it prints. We had a local repair looks, and he says it is in the programming. He could fix it but it would cost as much as a new one. This is only 1 or 2 years old. Any ideas?

Kris Hoekman

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  • 2 more comments 
  • bracket man Feb 03, 2008

    How do I clean the scanner glass on a LserJet 3050 all-in-one, do not know how to take apart tp clean it is not a flatbed scanner

  • Heffie Feb 21, 2008

    l have four line running down the center of page.

    I have cleaned the machine inside and out and changed the what!

  • cjantz Jul 28, 2008

    The printer is putting a line down the page on copies only. It doesn't put down the line when it is printed from the computer only when making copies.

  • Anonymous Aug 08, 2008

    When I copy it leaves one line down the whole page. I have tried to clean out the paper feeder and it still comes out with a line down the page.



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I had a hp 3050 yesterday with two vertical lines running down the page when making a copy. All I had to do was to pull open the top cover where you put the paper you want copied and cleaned the glass strip with a rag and alcohol and the lines were gone.

Posted on Feb 26, 2008

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If the line is down all printed pages it could be the fuser or just the toner cartridge. A new cartridge is the cheapest test. If the line is only when coping or scanning then there is some kind of spot on the laser scanner unit and you can just wipe with a barely damp cloth.

I am not sure what the programing would have to do with it.

Posted on Jan 23, 2008


If it in copying then clean the scanner glass and above it (white portion or white strip)

if it in printing, check your toner and if it not in it then probably it is in the fuser (damage film sleeve)

Posted on Jul 30, 2008

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1 Answer

Only scanner problem , horizontal lines appeared during scanning

No PC model stated
no OS stated (opr. system) windows 10?
we can not help you, ever lacking key facts
why not go to your HP support page and load all software
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I have a grey/black line all the way down the right hand side of the page

Run a half test.
Put paper in the manual feed tray.
Print something, anything
When the paper is 1/2 way into the printer, open the cover.
Pull out the toner cartridge. Look down at the paper.
Does it have a black line on the right side?
If yes, replace the cartridge. If no, replace the fuser.

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Try to print something out ( like report or similar ) and if the print is fine that means that you have some dirt on scaner, clean scaner verry well with moisturized cloth and dry it after.
If the lines are also on print that means that you have to replace drum ( toner crg. ). To be sure that is the drum problem, remove it from the macine and on green long roller ( drum ) look for lines. If there are lines, change it.
Use genuine crg. - allways

Jul 17, 2010 | HP LaserJet 3050 All-In-One Printer

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Copy issue with a line from top to bottom

if printing is fine and copying causes line on page, I suspect that there is dirt on the scanner glass. Clean scanner glass.

Apr 01, 2010 | HP LaserJet 3050 All-In-One Printer

1 Answer

Printing black line down middle of page when coping

The fuser is located in the back of the printer. I think it's held in by to screws. It's about hte same size as the toner cartridge. Please visit these websites.

This is the fuser kit.

The service repair manual.

Fuser Replacement is on page 170.

Aug 08, 2009 | HP LaserJet 3050 All-In-One Printer

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replace toner cartridge if this is the original toner or a rebuilt.
the starter toners are notorious for going bad in the wiper area

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I was getting a verticle black line and I had to clean the glass, the long white bar above the glass, and the white and black rollers before my problem was solved.

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problem in your fuser assy call to hardware service provider

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Your problem is with the fixing film in the fuser assembly (HP Part #RM1-3044). The brown material you see is the plastic film ripping and peeling off of the hheating element.

Jan 23, 2007 | HP LaserJet 3050 All-In-One Printer

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