Jam Sensor Replacement - Ricoh A109 Service Manual

4.2 JAM SENSOR REPLACEMENT

- Entry Sensor Photo-transistor -
1. Turn off the main switch and unplug the machine.
2. Open the sorter cover and remove the upper cover (3 screws).
3. Disconnect the harness from the upper jam sensor board [A].
4. Remove the entry sensor board (2 screws).
CAUTION: Do not touch the variable resistor mounted on the
sensor board; it is factory adjusted.
- Entry Sensor LED -
1. Turn off the main switch and unplug the machine.
2. Remove all sorter bins.
3. Remove the antistatic brush [B] and the sensor cover [C] (2 screws).
4. Disconnect the harness from the lower sensor board [D].
5. Remove the entry sensor board (2 screws).
FSM
[A]
8-15
[D]
[C]
[B]
A109