Lexmark X850e Service Manual page 450

7500-XXX
11.
Loosen the two screws securing the belt tensioner bracket (E) to the finisher and move it downward, as
shown.
12.
Remove the belt (buffer/transport) (F) from the buffer roll drive gear 46T (G).
E
Second
First
13.
Use a prying tool to remove the e-clip securing the buffer roll drive gear 23/53T (G).
14.
Remove the buffer roll drive gear 53/23T (G).
15.
Release the hook of the buffer roll drive gear 46T (H) from the buffer roll assembly (C).
16.
Remove the buffer roll drive gear 46T (H).
17.
Remove the 6 mm bushing (D).
18.
Remove the buffer roll assembly (C) from inside the finisher.
Note: When removing the buffer roll assembly (C), do not touch the rubber surface.
Replacement notes:
•
Make sure the flat spot on the end of the buffer roll assembly (C) is installed to the rear.
•
When replacing the buffer roll assembly, do not touch the rubber surface.
•
The tension of the belt (buffer/transport) (F) is automatically adjusted by the force of the spring attached to
the belt tensioner bracket (E).
•
Tighten the two screws in the order shown.
4-172
Options Service Manual
E
F
Front
G
E-clip
D
H
C
C