Ricoh Aficio MP C3500 - Manual (Page 134)

Copying
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2
Changing the stamp colour
Changes the stamp colour.
A
Press [Stamp Colour] under Stamp Colour.
B
Select the stamp colour, and then press [OK].
Changing the stamp position, size and density
Changes the stamp position, size and density.
A
Press [Change] under [Position / Size / Density].
B
Select the position for print, size, and density, and then press [OK].