Ricoh 9050b Operating Instructions Manual page 1066

6. Various Scan Settings
[Erase Border]
Deletes the borders of the scanned original according to the specified width.
If you select [Same Width], you can specify a uniform width for deletion all around the original (top,
bottom, left, and right sides). If you select [Different Width], you can specify a different width for
deletion for each side.
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