When scanning documents there is always a black border or punch hole marks. How do I remove them?
SOURCE: Canon Scanner DR-2580-C (Black lines around border of document)
It seems that your scanner is conflicting with previously installed software. It is impossible to say whether it is Canon or Adobe. Reinstalling Acrobat or updating it may work as trying a different folder like Desktop instead of My Documents. One or more drivers are at fault. What system are you running? 2000, XP, Linux? Update your video rendering software too. Let me know so that I can help solve this issue. Just try as mentioned first.
SOURCE: DR 2050C
This has something to do the brightness chosen. In the manual mode, if you choose a dark output, the output will have tis area also; if you choose, lighter output, it will omit. In the auto scan mode, the scanner decides what is the best output.
S. Mohan
SOURCE: Black line through the middle of the document
The thick line is either because of dust sticking to the glass or a module problem. Try different brightness settings and scan white paper. If the thickness varies and also the sides of the black strip are jaggered (step like) then it is dust on Glass. use isopropyl alcohol to clean, dont use solvents. If the teickness is same for all levels of brightness and has a sharp edge always, it could be scan module problem.
S. Mohan
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