4-398 Service Manual
7558-xxx
5. Disconnect the connector from the sensor (punch hole select) (C), the sensor (punch cam front) (D), or the
sensor (punch unit HP) (E).
6. Release the hooks securing the sensor(s) to the bracket.
7. Remove the sensor(s).
Reinstallation note: Make sure the color coded-connectors are connected to the proper sensors, as shown.
Sensor (punch unit motor encoder) removal
1. Open the finisher front door assembly.
2. Remove the rear upper cover. See “Rear upper cover removal” on page 4-380.
3. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-422.
4. Remove the top cover. See “Top cover removal” on page 4-421.
5. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-375.
6. Disconnect the connector from the punch unit motor assembly (A).
7. Disconnect the connector from the sensor (punch unit motor encoder) (B).
8. Remove the harness from the clamp.
C
D
A
E
White
Black
Blue
Connector
Connector