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October 9th, 1995
A.3.6. Scan Line Adjustment
1. Move the carriage so that the thin white line pattern [A] on the resolution
chart is in the read position.
The CCD detects the white line pattern when the output becomes as
shown to the above left.
2. To align the CCD, turn the adjustment knob on the SBU to where the
CCD output becomes as shown above right.
Note: Turning the adjustment knob on the SBU may disturb the horizon-
tal scanning starting position adjustment. Check whether the ad-
justment has been affected and adjust if necessary.
3. Tighten the screws on the CCD board.
A.3.7. Final White Level Adjustment
Repeat the White Level Adjustment procedure.
APPENDIX A. OPTICAL ADJUSTMENT (MECHANICAL)
G404X512.wmf
A-7
G404X515.wmf
V: 1 V
T: 0.1 ms
Adjustment
[A]
G404X508.wmf
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