Question about Lexmark 4600 MFP

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Vertical line A vertical line always appears on the scanned image

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It requires cleaning. call your nearest technician for service.

Posted on Feb 17, 2009

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Are you using manufacturer ink or third party ink? Sometimes this could be the issue.

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Probably there is nothing wrong with that scanner, just open and clean document feder with alcohol or glass cleaner.

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I've cleaned the glass and still have a black line on the image


Scan a document in 300 dpi in full width. Check where the line appears in the image. For example if the black line appears at vertical position say 1900, then it means the dirt is at 1900/300 i.e., 6.3 inches from left. Clean the area thoroughly. Check if any pin had created a scratch in the glass. At different contrast levels, if the line appears different, it is definitely unclean glass. On the contrary, if the line appears constant at various levels of contrast, then it is possible that scan module is faulty.

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Vertical line down the scanned image


Clean the glass with Isopropyl Alcohol. No solvents please

Mar 11, 2010 | Canon DR-2050C Path-Through Scanner

1 Answer

Very crisp vertical grey line appears (glass clean)


I have the exact same problem. It was there since I first bought the MFC-7840W.
Vertical line appears in scans using the automatic document feeder (ADF).
Vertical line does not appear when scanning single page (placing it directly on the glass -- i.e. not using the ADF).

Cleaning the glass strip for the ADF (or the white pressure bar overhead) does not solve the problem.
The problem does not occur with copies using the ADF (using the COPY button which is basically a scan and print). This would suggest that dust and dirt is not to blame because that would also appear on the copies.
But since I believe a copy is basically a scan plus print, they should be using the same electronics -- a hardware problem on the scan would likely appear on a copy also -- there is some difference between how they accomplish this.
It's definitely not a software issue since it occurs on all versions of Windows and Mac OS X (and multiple computers). It also does not matter whether I "push" the scan to the computer by using the scan button on the MFC... or "pull" the scan from the MFC using the Brother Control Center software.

Aug 12, 2009 | Scanners

1 Answer

Vertical lines in image -- appears that belt is stuck


If the same image is scanned repeatedly, it appears like a line. Check if there is paper is moving (in high speed scanners) or the scan module is moving (in Flatbed scanners). If this is normal, all you need is to clean the glass thoroughly.
S. Mohan

Aug 08, 2009 | HP Scanjet 5400c Flatbed Scanner

1 Answer

There are darker vertical lines showing on my scans


Do they appear in the same location for all images? You need to clean the glass thoroughly. Dont use solvents. Try with a damp cloth or use Iso propyl Alcohol (rubbing alcohol). For emergency you can use after shave, but a small qty.
S. Mohan

Aug 06, 2009 | Canon Scanners

1 Answer

Vertical line in scanned image


This is because of dust sticking to the glass. Clean with isopropyl alcohol (rubbing alcohol) and dont use solvents. For emergency you can use your after shave but take care only to clean the glass portion!
S. Mohan, Chennai, India

Jul 08, 2009 | Kodak i40 Path-Through Scanner

1 Answer

Scanner leaves lines like watermarks in an image


The scanner must be cleaned internally.

If you get same problem after cleaning the scanner, then this is caused by a defective sensor array (the device that "capture" the picture) inside the scanner.

Feb 09, 2009 | Umax Astra 3400 Flatbed Scanner

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