User`s guide

Select Descreening as the image quality setting.
Try changing the Resolution setting.
Uneven color, smears, dots, or straight lines appear in your image
Clean the product.
Cleaning the Product
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The scanning area or direction is unsatisfactory
The edges of your original are not scanned
Move the document or photo more than 3 mm (0.12 inch) away from the horizontal and vertical edges of the document
glass to avoid cropping.
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