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APPENDIX A. OPTICAL ADJUSTMENT (MECHANICAL)
Adjustment
A.3. Adjustment
A.3.1. Preparation
1. Remove the ADF exposure glass and the main exposure glass.
2. Remove the top shield plate.
3. Connect the optical adjustment harness [A] to CN11 on the MBU board.
4. Set the ADF exposure glass [B] and the optical adjustment glass [C] as
shown above.
5. Set the resolution chart [D] on the optical adjustment glass so that the
leading edge of the chart is against the ADF exposure glass.
NOTE: Make sure that the end of the test chart with the thin white line
pattern is on the edge [E] of the glass that is nearest the ADF
exposure glass.
6. Loosen the four screws on the SBU.
7. Set dip switches 1, 7, and 8 to the ON position.
8. Set the SCSI rotary switch to 1.
9. Turn on the power.
I
CAUTION:
Cover the transformer with some paper, to avoid electric shocks.
10. Press the reset switch to put the lump on.
[A]
G404X516.wmf
[B]
A-2
October 9th, 1995
G404X514.wmf
[E]
[C]
[D]
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