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CANON
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imageFORMULA DR-4010C Color Departmental Scanner
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During scanning, an unknown error occurs.
If you receive an unknown
error
while scanning, it may be that the scanner is having trouble communicating with the computer.
Clean the rollers.
When opening the upper unit, do not grasp the roller unit in the center.
Doing so may distort the rollers and lead to feeding
errors
.