Ricoh Aficio 551 Copy Reference Manual page 220

Copying
E Press the [Last Number] key, then enter the page number at which to stop
numbering with the number keys.
2
Note
If you wish to print onto the last page, press [To The End] key and go to
step J.
F Press the {#} key.
G Press the [Total Pages] key, then enter the total number of original pages
with the number keys.
H Press the {#} key.
If you selected (1-1, 1-2,...)
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.
204