Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 2-93 P/N 196515 (Revision A)
Information Sheet 2-11-2
Height Sensor (Continued)
D. Probe Adjustments
1. Depending on the dispensing pattern, the substrate material, and/or the
needle size, you may need to adjust the probe height in relation to the
needle height, the distance between the probe tip and the needle tip.
2. These adjustments can improve the throughput and dispensing quality.
3. The operator can make minor adjustments to the probe with a micrometer.
Significant adjustments should only be made by a service technician.
4. You can make following mechanical adjustments to improve throughput and
dispensing quality:
Adjust the probe height in relation to the needle height.
Adjust the distance between the probe tip and the needle tip.
Adjust the up-and-down travel of the probe.
5. Optimal adjustments may vary with the dispensing pattern, the substrate
material, and the needle size.
E. Laser Height Sensor (Optional)
1. The Laser Height Sensor uses a semiconductor laser beam and triangulation
measurement to determine the substrate height.
2. As the dispensing head lowers, the laser beam reflects off the substrate
surface back up to sensing array inside of the Height Sensor.
3. The sensing array detects the peak value of the light quantity distribution of
the laser beam to determine the precise substrate height.
4. The Laser Height Sensor then sends the information to the FmNT software.
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