Ricoh C211 Service Manual page 127

3.1.4 Scan Line Position Adjustment
A
/[']
Edge of
Original
Guide PI
!!@
A
\\
\
16mm
\
. . .. ....
11 ' --
m
J~
l-mm
Black Line
A
Purpose: To ensure that CCD alignment is perpendicular to the original feed
direction.
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.
2. Press the Print Start key to turn on the fluorescent lamp and confirm that the
waveform is similar to the above illustration.
3. If incorrect, loosen the mounting screws [A] fixing adjusting knob [B] and the
mounting screws [C] of the CCD board and adjust the CCD position by
turning the adjusting knob,
4. Tighten the mounting screws [B] and [C]. Then reconfirm the waveform.
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