Olivetti d-Copia 3500MF Service Manual page 360

5. Pull out the drum unit.
6. Check or replace the drum unit and refit
all the removed parts.
7. When replacing the new drum unit, pro-
ceed as follows:
1) Performs maintenance mode U119
(drum setup) (see page 1-3-75).
2) Performs maintenance mode U140
(AC calibration) for 45 ppm/55 ppm
model only (see page 1-3-82).
3)Performs maintenance mode U464
(Calibration) (see page 1-3-156).
4)Performs maintenance mode U410
(Adjusting the halftone automatically)
(see page 1-3-140).
Service Manual
Figure 1-5-52
1-5-30
2LL/2LJ/2LH
Drum unit
Y113350-5