Ricoh Aficio 551 Copy Reference Manual page 198

Copying
A
Press the [Edit/Stamp] key.
2
B
Press the [Stamp] key.
C
Press the [Background Numbering] key.
D
Enter the number to start counting from with the number keys. Then press
the [OK] key.
Note
The number can be set from 1 to 999.
To change the entered number, press the [Clear] or {Clear/Stop} key and en-
ter the new number.
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