Mamiya RB67 Pro SD User Manual page 20

Move the film advance lever gently, until the
starting mark (arrow) of the leader paper aligns
with the starting mark of the holder. The film
advance lever can be moved in several short,
definite strokes.
If the leader paper is pulled too far, the film
l
may become fogged, so be careful not to
go beyond the arrow.
Setting Start Mark with 220 Roll Film
.
To assure even frame spacing, and
prevent overlapping, be sure to wind the
film up to the printed arrow start mark,
which appears after the dotted line.
1. Put the insert into the cassette, aligning the
top side of the insert with the white dot (A) of
the cassette.
If the film insert is attached in reverse, the
l
back cover cannot be closed.
DO NOT use the dotted line for a start mark.
18
2. While pressing the back cover gently, push
the back cover latches (top and bottom) as far
as they will go,
NOTE:
1. The outer cassette of the Pro-SD roll film
holder (HA-701) can be used for both
120 and 220 film inserts.
2. The film insert of the Pro-SD roll film
holder cannot to be attached to the outer
cassette of the Pro-S roll film holder.