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DISASSEMBLY and REPLACEMENT
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4.10.43 ADU board (ADU)
4.10.44 ADU transport roller-1
(1) Take off the duplexing unit rear cover.
P. 4-5"4.1.14 Duplexing unit rear cover"
(2) Disconnect all the connectors of the ADU
board [1]. Then release the harness from 2
clamps.
(3) Remove 3 screws and then release a locking
support. Then take off the ADU board [1].
Fig. 4-711
(1) Take off the duplexing unit front cover.
P. 4-5"4.1.13 Duplexing unit front cover"
(2) Take off the duplexing unit upper cover.
P. 4-241"4.10.37 Duplexing unit upper
cover"
(3) Take off the duplexing unit front side cover.
P. 4-242"4.10.38 Duplexing unit front side
cover"
(4) Take off the ADU motor-1.
P. 4-243"4.10.41 ADU motor-1 (M7)"
(5) Remove 2 screws and then release 1 hook.
Then take off the front hook cover.
Fig. 4-712
(6) Remove 1 spring.
Notes:
Be careful because the spring force is quite
strong.
Fig. 4-713