Ricoh D131 Service Manual page 1517

Details
2.3.4 CREASE ROLLERS
The amount of pressure exerted by the crease rollers can be adjusted. This can be done to
eliminate splitting that can occur with coated paper and other types of media. The
adjustment is a manual adjustment done on springs.]
Adjustment range
Default Load
Load Adjustment Possible (Hook 4 mm Distance)
A projection fixed in slot and attached to a spring shortens the length to roller can be lowered.
There are four crease rollers. Springs at the front and rear ends of each roller can be
adjusted.
D454/D615
R1
26 N
-4.5 N
124
R2 R3 R4
45 N
-9.5 N
SM