Ricoh InfoPrint 4100 TS2 Operating Manual page 223

a. Use the Forms Feed Reverse button (3) until the brightness reading is at it's
highest point.
b. Press and hold the orange UP button until the displayed numbers start to
blink then release the UP button.
7. Select RUN by moving the Set - Run switch (7) to the right. The display will
stop blinking and the UFC sensor is ready to use.
Chapter 5. Working with forms
209