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6. Remove the FFC from the FFC connec-
tor with a lock (YC4) of the LSU relay
PWB.
*: When removing the FFC from the FFC
connector with a lock, remove it after
release the lock by lifting the lock lever
up (see page 1-5-39).
7. Remove 5-pin relay connector at rear
side of the LSU.
8. Remove four screws (A to D) and then
remove the LSU.
9. Check or replace the LSU and refit all
the removed parts.
*: To re-mount the LSU, secure the
screws in the order of A – B – C- D.
10. When replacing the new LSU, proceed
as follows:
1)Performs maintenance mode U119
(Setting the drum) (see page 1-3-75).
2)Performs maintenance mode U412
(Adjusting the uneven density) (see
page 1-3-148).
3)Performs maintenance mode U410
(Adjusting the halftone automatically)
(see page 1-3-140).
Y113350-5
5-pin relay connector
FFC
FFC connector (YC4)
Screw D
Screw A
1-5-25
LSU relay PWB
Figure 1-5-43
Screw C
LSU
Figure 1-5-44
Sevice Manual
2LL/2LJ/2LH
Screw B
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