2LK/2LN/2LM/2LC-2
1-5-30
23. Wrap an antistatic discharging belt
around your wrist to prevent damage to
the LSU.
*: Do not touch terminals and FFC con-
tacts in the LSU APC board.
24. Remove four LSUs, following the pre-
cautions and instructions below.
(1) Lift the far end of the LSU.
(2) Unhook the protrusions at the front
of the LSU.
*: Be sure to handle the front and rear
handholds when handling the LSU.
*: Do not get the LSU in direct contact
with the holding frame subsequently
applying shocks to the polygon motor
inside.
25. Check or replace the LSU and refit all
the removed parts.
*: When reconnecting FFCs, be sure to
insert the FFC all the way in with the
FFC connector.This is to avoid a
lengthy servicing due to a possible error
which could cause re-disassembly and
-assembly.
26. When replacing the new LSU, proceed
as follows:
1)Performs maintenance mode U469
(Auto color registration correction)
(see page 1-3-182).
2)Performs maintenance mode U119
(Setting the drum) (see page 1-3-86).
3)Performs maintenance mode U412
(Adjusting the uneven density) (see
page 1-3-164).
4)Performs maintenance mode U410
(Adjusting the halftone automatically)
(see page 1-3-155).
Figure 1-5-50
LSU(Y)
Bos
LSU (rear side) LSU (front side)
LSU (rear side) LSU (front side)
LSU support frame
Support portion
Support
portion
LSU(Y)
LSU(C)
LSU(C)
LSU(M)
LSU(M)
LSU(K)
LSU(K)
(1) (2)
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