Ricoh Aficio MP C3000 Scanner Reference page 120

Various Scan Settings
E
Specify Start Position (X2 and Y2) using the number keys, and then press
{q}.
For example, set X2 to 2.0 inch and Y2 to 1.0 inch.
F
Specify Scan Area (X3 and Y3) using the number keys, and then press {q}.
For example, set X3 and Y3 to 3.0 inch.
G
Press [OK].
H
Check Scan Area (X3 and Y3) displayed above [Custom Size], and then press
[OK].
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