2WA/2NJ/2RK
4-33
(4-2) Detaching and reattaching the developer unit
Procedures
1. Detach the inner unit. (Refer 1-4-30)
2. Close the toner supply shutter (b) of the
developer unit (a).
3. Disconnect the connector (c).
4. Turn down the DLP rail lever (d) to hori-
zontal position.
Figure 4-39
5. Release the lock lever (b) at lower side
of the developer unit (a) and then pull
out the developer unit (a).
6. Check or replace the developer unit (a)
and then reattach the parts in the origi-
nal position.
7. Execute the following procedures when
replacing the developer unit to the new
unit (a).
1) Execute maintenance mode U140
(AC calibration). (Refer P.6-92)
2) Execute maintenance mode U464
(Calibration). (Refer P.6-189)
3) Execute maintenance mode U410
(Auto halftone adjustment). (Refer
P.6-170)
Figure 4-40
c
d
a
b
a
a
b
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