I have a Canon DR-2050C Scanner and it often produced a verticle line on the image. A person on this website says to "clean the glass;" however there is no glass. This is a scanner that feeds the paper through rollers. How do I clean it?
I have the same issue with mine and there are 2 image sensors on this scanner. 1 in the back that you will see when you open the front that has a meteal shield covering the top half, and one in the fold out front that faces the inside. These are the "glass" sections everyone is refering to. Problem is, they are plexiglass, not glass and mine has a tiny scratch in the lens that is causing the line. This could be your problem. find the lens and use a LED flashlight to inspect your lens for scratches. If its scratched like mine, the entire module has to be replaced to fix it. The canon part number is MH7-7038 and they range from $125-$160 if you replace it yourself. The one in the front is easy to do, but the back one is a little tricky. Hope this helps. E. Alexander, Field Tech, Cummins-Allison
:-)
Please try and locate the scan module. All Scanners have glass to prevent dust entering the scan module. If dust 'sticks' to the glass and when scanned, it creates a 'line' in the output. Even slow desktop scanners are sealed for dust prevention.
S. Mohan
OK you clean the glass, is good.
Now you have to jump in scanner properties and look for "calibration", somewhere in the advanced settings, so, I do not know exactly. The idea is that the calibration must be done with a white A4 sheet will require 2 times the sheet to complete the calibration process.
Good luck!
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