Specifications

9.9 VERTICAL MAGNIFICATION ADJUSTMENT
When: The vertical magnification is not within the
adjustment standard.
Purpose: To maintain proper vertical magnification
Adjustment
Standard:
Less than ± 0.5% difference between original and
copy
Measure: SP Mode #43 (0.2%/step, 16 steps)
How: Changes the scanner speed compensation.
1. Place a 150 mm scale perpendicular to the left scale on the exposure
glass.
2. Adjust the vertical magnification using SP Mode #43. Make three copies
to check the magnification.
9.10 HORIZONTAL MAGNIFICATION ADJUSTMENT
When: The horizontal magnification is not within the
adjustment standard.
After loosening the first scanner wire clamps.
Purpose: To maintain proper horizontal magnification.
Adjustment
Standard:
Less than ± 0.5% difference between original and
copy
Measure: 1. Adjust the position of the first scanner wire
clamps (rough adjustment).
2. SP Mode #44 (0.2%/step, 16 steps)
(fine adjustment)
How: 1. Changes the distance between the original and
the drum.
2. Changes the lens home position.
- Rough Adjustment -
1. Change the data of SP mode #44 to 8 (default value).
2. Position the scanner wire clamps using the scanner positioning pins.
(See Scanner Wire Installation.)
- Fine Adjustment -
3. Place a 150mm scale parallel to the left scale on the exposure glass.
4. Adjust the horizontal magnification using SP mode #44. Make three cop-
ies to check the magnification.
1 December 1990
5-97