Ricoh MP 2590 Scanner Reference page 112

Various Scan Settings
❒ To scan an original that is smaller than 140 mm, make settings as though
you were scanning a section of an original that is larger than 140 mm. For
example, to scan a CD label on the exposure glass, specify a size according
to the chart below. For details about scanning procedures, see "Setting pro-
cedure of custom size when scanning part of an original".
ARD015S
Reference
p.105 "Setting procedure of custom size when scanning part of an original"
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