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APPENDIX A. OPTICAL ADJUSTMENT (MECHANICAL)
Adjustment
A.3.5. Horizontal Scanning Starting Position Adjustment
1. Move the carriage so that the black dot on the ADF exposure glass is in
the read position.
2. Change the time range setting of the oscilloscope to 5 µs.
Move the SBU left or right to where the time between the dummy bit and
the beginning of the effective read data is 12.8 ± 2.5 µs.
G404X505.wmf
A-6
October 9th, 1995
V: 0.5 V
T: 5 µs
12.8 ± 2.5 µs
G404X511.wmf
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