Ricoh D182 Service Training page 102

 This punch unit has two new mechanisms to
make the positions of punch holes more accurate
 Skew correction
» The punch unit corrects skew in the paper before the
holes are punched.
 Side-to-side movement of the punch unit
» The paper must be in the middle of the paper feed path,
or the punch holes will be too high or too low along the
edge of the paper.
» The punch unit detects the distance that the paper is
away from the ideal position.
» Then it moves the punch unit across to put the holes in
the correct position at the edge of the paper.
Slide 102
 The mechanism is the same as the punch unit for the B793, but the layout is a bit
different.
Punch Unit - Overview
102
OR-C2 Training