44871001TH Rev.6
4-26
Oki Data CONFIDENTIAL
4.REPLACEMENT OF PARTS
(6) Remove the screw (silver-colored M4) to remove the Plate-FG . ( fo r
MB451, MB451w, MB471, MB471w, MB491, MB491+, MB491+LP, ES4191 MFP,
MPS4200mb and MPS4700mb)
Remove five screws (silver-colored)
to remove the SU-Board .
(7) Remove the screw (black-colored, L=8mm)
to remove the Plate-USB
.
And remove two screws (silver-colored, L=12mm)
to remove the cord-USB .
And remove the core
from Cord-USB . (two claws)
(8) Remove the screw (silver-colored M4)
to remove the cord-FG .
(9) Remove three screws (black-colored, L=8mm)
to remove the Plate-Board (SU) .
(10) Remove two screws (black-colored, L=10mm) to remove the Cover-Assy-LF .
(11) Remove four screws (black-colored, L=10mm) to remove the Cover-Hinge-L
and the Plate-Hinge-L (Caulking) .
(12) Remove seven screws (black-colored, L=10mm M4 )
to remove the Cam-hinge .
Note! (to assemble)
1. Since a cable will be pushed by Plate-Shield (SU), please place downward.
4.2.8.14 Frame-assy-FB
Note! •ItexchangesitdetachingthescannerunitfromtheMFPwhentheSU-board
is exchanged.
• If replaced new board, update Firmware according to Chapter 9.3.
It is necessary to take the synchronization of the firmware version of SU
board and CU board.
(1) Remove the screw (silver-colored M4)
.
(for MB451, MB451w, MB471, MB471w, MB491, MB491+, MB491+LP, ES4191 MFP, MPS4200mb
and MPS4700mb)
(2)
Remove four screws (black-colored, L=10mm) to remove the Cover Bottom .
(3) Remove Plate-FG (FAX) from Cover Bottom
.
(4) Remove five screws (silver-colored) and five screws (black-colored, L=8mm)
to remove the Plate-Shield (SU) .
(5) Remove the screw (silver-colored)
to remove the Clamp . And remove all SU-
Board cables.
⑧
⑨
NG(The cable upward)
OK
The cable with the shield should be
in the highest position.
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General
Weight and Dimensions
