I am showing a line down the page and cleaned the glass with no change. I inspected the glass in the area of the line and it does not show any scratch or dirt. The last batch we ran on Friday were fine but today (Sunday) we have a line.
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Vertical lines are from dust on the Glass. Use Isopropyl alcohol, no solvents pls. Try scanning in diff contrast levels and if the thichness varies, it is confirmed dust on glass, whereas any fault in the reading unit will be constant and also have sharp edges.
S. Mohan, Chennai, India
Wipe the rollers with a damp cloth thoroughly. Remove all the dust in the glass for a claen scan. The red color roller roller in the bottom needs thorough cleaning, rotate with hand gently (in power-off mode) and clean it thorughly. No solvents pls, except Isopropyl alcohol for cleaning
S. MOhan, Chennai, India
Hello, You need to get to the scanner's Glass area and what you will sometimes find is some ink or white-out there all it takes is a small drop or smear to screw things up. Clean the glass with isopropyl alcohol, then some glass cleaner and the lines will go away.
How 'crisp' is the line? IF it is same thickness even at different contrast levels, then it is likely the scan module is affected. If the thickness varies, or has jagged ends, then it is dust on the glass or a scratch of may be a dust particle sitting on the scan module. This has to be cleaned.
S. Mohan, Chennai, India
Don't know if this is a solution per se but I replaced the glass bar (there is a part # on it) on the inside front of the scanner and still got a line. Then I played around with the back scanner glass and still got a line then I got in there real good and cleaned and when I scanned something it would show no lines until I saved the document then I got two lines. Thought it was my software going haywire but I did not give up, got some canned air and alcohol and cleaned the glass once again and blew out every part I could find and the problem resolved itself. Apparently the smallest piece of lint or dust, smudge or anything foreign on the scanner lenses will cause this line. But I love this scanner and I wasn't willing to give it up or pay $600 for a new one. Only had it a little more than a year. Persistence seems to be the key but check those little scanner bars and be careful, they are tricky to get out.
The staples cannot reach the sensors. They could have scratched the glass above the sensors. Clean the glass with IsoPropyl alcohol. Try scanning a few images to find if the scratch marks are on the same place on all images. Once confirmed that the glass is scratched, you can change the glass. You need a technical expertise to change or call service staff.