Question about Brother MFC-7820N Laser Printer

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Black Line in the middle of the page.

When I've tried to use feeder to make a copy a black line appears in the middle of the page.

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  • 62 Answers

Open the adf and you will see small glass, on the glass is a spec of dirt or most proberly tipex, clean the glass and line will disapear

Posted on May 11, 2008

5 Suggested Answers

  • 102 Answers

SOURCE: thin black line appears on all copies ONLY from form feeder

Hi sounds like you have a particle on the window in the feeder. What hapens is when the light scans the paper your copying the particle of dirt shows up as a line. Simply clean it with a soft cloth and mild window cleaner. . Thank you for using Fixya.com

Posted on Feb 09, 2010

  • 1 Answer

SOURCE: Black Line Down Center of Page

I had the same problem. I cleaned the strip above the glass and this fixed the problem. Hope it helps!

Posted on Mar 14, 2008

leroyal
  • 2120 Answers

SOURCE: full page vertical line appears on copy fed pages.

Open up the document feeder. You will probably find wite-out on the scanner glass.

Posted on Dec 30, 2008

SOURCE: Single black line down center of newly copied page when using Auto feeder to copy

I had this same problem but after while it went away - so my solution would be to just keep using it, and perhaps it will solve itself.

Posted on Jun 05, 2008

  • 1684 Answers

SOURCE: black line on copies when automatic feeder is used

Hello,

The problem is most likely cause by ink, correction fluid or lint blocking the scanner pickup. Check out the tip we have posted here that should get you back going again.

http://www.fixya.com/support/r3639811-black_lines_faxes_or_copies

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Posted on Apr 04, 2010

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Related Questions:

1 Answer

Horizontal line on printed page


When you use the flatbed the copy is perfect because the ccd sensor is under the glass cover and obviously is free form dust/ dirt.
On the other hand if you use the feeder the ccd sensor is located in between the roller assembly (not sure exactly for this model).
This means that the page is scanned by the ccd in the feeder, any dirt on the ccd will appear as a black line. I assume that you are feeding papers from the side and not from the top that is why you get a horizontal line.

A quick test to see if the ccd sensor is dirty is to feed the paper from the top side to the feeder. If you get a vertical line it is a proof that your ccd sensor needs to be cleaned.
The worst case is that the sensor in the feeder assembly has a tiny spot that is damaged and it is causing the black line.
So , first try the test, then open the feeder assembly, locate the ccd and clean it. Hope that this helps.

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1 Answer

Copier leaves a black line when printing through the top paper feeder. Ok coping from the flatbed


When copying from the feeder the page is fed across a fixed point at the head of the flatbed. Any dirt etc on the glass at this point can present as a dark line running vertically down the printed page. When copying from the flatbed, the scan head is moved down the page so any dirt on the glass will only appear as specs. Try cleaning the glass, especially at the head of the flatbed where the feeder is loading the page to be copied.

Jan 12, 2014 | Printers & Copiers

1 Answer

I have a Epson cx11 and get a black vertical line down the middle of scans and copies


Check your flat bed and Document feeder scanning glass need to be clean, if any dot or dust in scanning glass of document feeder it will appear a line, check this points first
1- Check printouts from computer or FAX if it is clean problem in scanning section
2- Check using Copying a blank paper using only Flatbed if it prints without any line its problem from document feeder Scanning glass
So solution is clean the Document feeder scanning glass using wet cloth, note careful about wet cloth switch off the machine and clean it

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1 Answer

HP Laserjet 3330 printed dark page especially around the middle


Does this happen both when copying and printing?
For printing solution, try another toner cartridge.
If lines continue to appear when copying (primarily through the automatic feeder) then lift the auto feeder, and clean the glass -mainly the narrow piece on the left side.

please rate solution :)

Apr 07, 2009 | HP LaserJet 3330 All-In-One Printer

1 Answer

Full page vertical line appears on copy fed pages.


Open up the document feeder. You will probably find wite-out on the scanner glass.

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1 Answer

Single black line down center of newly copied page when using Auto feeder to copy


I had this same problem but after while it went away - so my solution would be to just keep using it, and perhaps it will solve itself.

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1 Answer

Black line on copies


If your copier has an automatic feeder and your line is present when using the feeder but not when you copy from the glass,just clean the small glass at the point where the line appears.

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