Riso HC5500 Series Reference Manual page 51

Offset output
The output position can be changed
for each set. This way, sets can be
easily separated even before
binding.
Slightly offset output
Preparing catalogues and bulletins
(Booklet)
You can prepare booklets by folding printed sheets in two.
This represents a great progress in terms of reducing the
cost required to prepare printed matter, considering how
expensive small-quantity colour printing used to be. Now
you can prepare exclusive plans and catalogues to satisfy
customer needs.
HC Auto Stocker or
HC Finisher
Paper folding
The finisher is capable of folding in half.
This feature is useful for preparing leaflets and
direct mail, as well as posters for events.
US/UK-49