Top Page > Troubleshooting: TCRU/ORU > Troubleshooting Paper Delivery Problems > Paper Feed Problems Affecting Image Quality > Decurling Results in Scratches, Streaks, or Creases > Cause:
The paper feed speed of the decurler unit is too high or too low.
![Note](../../web/gen/en-i_not.gif)
To adjust the following settings, pre-register the type of paper in use as a custom paper. For details about registering custom papers, see "Registering a Custom Paper", Preparation.