26. Remove four screws (a)(A to D) and
remove the LSU (b).
27. Check or replace the LSU (b) and then
reattach the parts in the original posi-
tion.
*: To re-mount the LSU (b), secure the-
screws in the order of A – B – C- D.
28. Execute the following procedures when replacing the LSU to the new unit.
(1) Execute maintenance mode U119 (Drum setup). (Refer P.6-83)
(2) Execute maintenance mode U464 (Calibration). (Refer P.6-189)
(3) Execute maintenance mode U412 (Uneven density adjustment). (Refer P.6-178)
(4) Execute maintenance mode U464 (Calibration). (Refer P.6-189)
(5) Execute maintenance mode U410 (Auto halftone adjustment). (Refer P.6-170)
a(D)
a(A)
Figure 4-153
4-104
2WA/2NJ/2RK
a(C)
b
a(B)