Olivetti d-Color MF2552 plus Service Manual page 416

4. Lift the lever and turn the duct holder
upwards.
5. Push the lock lever of the developer
unit upwards and then remove the
developer unit.
6. Check or replace the developer unit and
refit all the removed parts.
7. When replacing the new unit,proceed
as follows:
1)Performs maintenance mode U410
(Adjusting the halftone automatically)
(see page 1-3-133).
Service Manual
Duct holder
Developer unit
1-5-14
Lever
Figure 1-5-24
Lock lever
Figure 1-5-25
2NP
Y116141-8