Ricoh C211 Service Manual page 553

1-2. Adjusting The Scan Line Position
\
A.\\ \ \\ '
F+
IL
16mm
1 mm
Black Line
.
te
\
\
Purpose : To ensure that CCD alignment is perpendicular to the original feed direction.
Method : 1. Set the test chart so that the black line is positioned 16 mm away from the
edge of the lower original guide plate as shown on the next page.
2. Press the Print Start key (Start key: SS830) to turn on the fluorescent lamp
and confirm that the wave form is similar to the above illustration:
3. If incorrect, loosen the mounting screw [B] fixing adjusting knob [A] and
the mounting screw [C] of the CCD board and adjust the CCD position.
4. Tighten the mounting screws [B] and [C]. Then reconfirm the wave form.
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