Toshiba e-STUDIO453 Service Manual page 282

[N] Middle transport roller
(1) Take off the ADU, ADU inside rear cover,
ADU opening / closing switch, paper guide,
and ADU cover (
[E]).
(2) Take off the ADU board.
(3) Remove the clip, pulley, pin and belt on the
front side.
(4) Remove the clip on the rear side.
14
(5) Remove 2 bushings and take off the middle
transport roller.
e-STUDIO350/352/353/450/452/453
AUTOMATIC DUPLEXING UNIT
Chapter 14.5 [A] to 14.5
4 - 
ADU board
Fig. 14-529
Pulley
Fig. 14-530
Clip
Fig. 14-531
Bushing
Middle transport roller
Fig. 14-532
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Pin
Belt
Clip
Bushing