Ricoh Aficio 551 Copy Reference Manual page 50

Copying
B
Select the original orientation.
Standard Orientation
A Make sure that the [Standard Orientation] key is selected.
2
90 Turn
When you want to copy A3K, B4K or 11"
original in the landscape orientation and then press the [90 Turn] key. The
machine rotates the original image and you can make copies as you wish. This
is useful for copying large originals with the Staple, Punch, Duplex, Combine
or Stamp functions.
For example, if you want to copy A3K or 11"
Staple function configured as shown below:
34
17"K size originals, set your
17"K originals with for the