Ricoh D065 Service Manual page 1297

Replacement and Adjustment
Two examples are shown below.
Example 1: High (Stopper Too Far From The Nip)
The black arrow shows the direction of paper feed from right to left. When the skew sheet is
opened the Front edge is longer than the Rear edge.
Example 2: FM2: Low (Stopper to Close to the Nip)
D454 78 SM