Olivetti d-Copia 6500MF Plus Service Manual page 626

2. Decide the fix position of ISU by the fol-
lowing.
The right and left of machine:
Verify the number prefixed by a (a)
mark.
Match the line (c) of ISU to the position-
ing line (b) of same number on frame
side.
Line (c) is the one which is marked with
the appropriate number.
The rear and front of machine:
Match the edge (e) of ISU to the posi-
tioning line (d) on frame side.
3. Fix the ISU as before with four screws.
4. Refit all the removed parts.
5. When replacing the new ISU, Perform
maintenance mode U411 (Adjusting the
scanner automatically)
(see page 1-3-152).
Refitting the ISU
4. Check the image
After replacing the CCD unit, check the
copy image. According to the condition,
execute the procedures below.
1. In case of no problem on the image, go
to "9.Image Adjustment"
2. In case a part of the image is whitish
from the leading edge or the back-
ground image appears like the illustra-
tion "a", go to "5. The CCD unit Height
Adjustment 1".
3. In case white vertical lines appear on
the image like the illustration "b", go to
"7. The CCD unit Height Adjustment 2".
*: The CCD unit height adjustment is nec-
essary for above 2 and 3 because an
optical axis shifts and the light path is
not secured.
Service Manual
b
13 579
e
d
Figure 1-5-75
Figure 1-5-76
1-5-46
Lens
c
ISU
a
b
2N8/2N7
a
Y116520-3