Ricoh Aficio 551 Copy Reference Manual page 338

User Tools (Copy/Document Server Features)
Menu
Booklet/Magazine
Original Orienta-
tion
Copy Order In
Combine Mode
6
322
Description
You can select the type of originals for Booklet or Magazine
mode.
Note
Default: Portrait
You can set the copy order in Combine mode to "Left to Right"
or "Top to Bottom".
Note
Default: Left to Right