Lexmark W850 - Sensor (Punch Unit Side Registration Pair) with Bracket Removal

4-44 Finisher Service Manual
4024-XXX
Sensor (punch unit side registration pair) with bracket removal
1. Open the finisher front door assembly.
2. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24.
3. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41.
4. Remove the screw securing the cover (A) to the punch unit assembly (B).
5. Remove the cover.
6. Remove the two screws securing the paper guide (C) to the punch unit assembly (B).
Note: Do not remove the harness attached to the paper guide (C).
7. Turn the paper guide (C) upside down.
8. Remove the two screws securing the bracket (D) to the paper guide (C).
9. Remove the bracket (D).
10. Remove the two connectors from the sensor (punch unit side registration pair) (E).
11. Release the hooks securing the sensors (punch unit side registration pair) (E) to the bracket (D).
12. Remove the sensor (punch unit side registration pair) (E).
Note: The two sensors are identical.
)
B
A
D
C
Connectors
C
D
E
Connectors