Ricoh C211 Service Manual page 554

1-3. Adjusting The Reading Start Position in The Main Scan Direction
[A]
IL
Q
I
LQ
=
t
f
(E)
(E)
Purpose :
To align the center of the original with the center of the CCD so that the cen-
ter of original image is positioned in the center on the master.
Method : 1.
2.
3.
4.
5.
6.
7.
Open the upper original guide unit [B].
Set the test chart so that the center line, located at the leading edge of
the test chart, is positioned above the original leading edge sensor ac-
tuator [A].
Close the upper original guide unit [B].
Press the Print Start key (Start key: SS830) to turn on the fluorescent lamp
and feed the test chart.
Stop feeding the test chart when it is possible to read both lines [E], and
confirm that the distance "L"is the same as "l".
If incorrect, loosen the mounting screws [C] of the CCD board [D] and
adjust the CCD horizontal position.
After adjustment, retighten the mounting screws [C].
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