Ricoh Aficio 551 Copy Reference Manual page 211

Stamp
The relationship between the direction in which you set the original and the
stamp position is as follows:
2
GCSTMP7E
You can change the stamp position to top, bottom, left and right each way in
1mm, 0.1" steps. See "Position Priority" in P.325 "Date Stamp".
If you combine this function with the Combine, Magazine or Booklet func-
tion, the page is stamped as follows.
• Combined with the Combine function
• Combined with the Magazine or Booklet function
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