Specifications

9.8 ADS (Auto Image Density Sensor) ADJUSTMENT
When: 1. After light intensity adjustment
2. When replacing the following parts:
• Main board
• AC drive board.
3. ADS voltage is not within the adjustment
standard.
Purpose: To maintain correct ADS mode operation
Adjustment
Standard:
ADS Voltage = 2.5 ± 0.1 volts
Measure: SP Mode #56
How: Changes the main board ADS output voltage. The
voltage reading is displayed in the magnification
indicator.
1. Clean the optics (mirrors, lens, reflectors, shield glass, and exposure
glass).
2. Place five sheets of A3 (LDG) paper on the exposure glass.
3. Select SP Mode #56 and press the Start key.
4. If the voltage is not within the adjustment standard, adjust it by turning
VR101 on the main board.
VR101
1 December 1990
5-96