Ricoh MV310 Operator's Manual page 254

Options COPYING
Center marks
Prints small triangular center marks at the top and left sides. These allow you
to accurately center your copies when punching holes in them.
This features is not available when you use the bypass feeder.
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Set the document.
Press the option (b) key until the
opposite display appears.
Press Yes to set the option.
Press 4 to turn Erase Center on.
Press Yes to accept the setting.
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Follow the standard copying procedure.(See page 63.)
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