Ricoh Aficio 551 Copy Reference Manual page 219

E Press the [Last Number] key, then enter the page number at which to stop
numbering with the number keys.
Note
If you wish to print onto the last page, press the [To The End] key and go
to step J.
F Press the {#} key.
If you selected (1/5,2/5...)
A Press the [First Printing Page] key, then enter the original sheet number
from which to start numbering with the number keys.
Note
To change the number entered, press the [Clear] or {Clear/Stop} key and
enter a new number.
B Press the {#} key.
C Press the [Start Numbering From] key, then enter the page number from
which to start numbering with the number keys.
D Press the {#} key.
Stamp
2
203