Manual
4-58 System Configuration and Setup
21. Check to make sure that the probe tip is lower than the needle tip.
!If the probe tip is not lower than the needle tip, refer to the Height Sensor section of the
manual for your dispensing system for probe height adjustment instructions.
22. Use a soft cloth to wipe the needle tip clean of any residual fluid.
23. Click on
Next.
!If your dispensing system is equipped with an NS Series Needle Sensor, you are asked to
align the Height Sensor probe tip with the white circle on top of the Needle Sensor. If
your dispensing system is equipped with a NSZ Series Needle Sensor, you are asked to
align the Height Sensor probe tip with the Tactile Sensor on top of the Needle Sensor.
!If you are not sure which type of Needle Sensor is installed on your dispensing system,
refer to the Needle Sensor section of the manual for your particular dispensing system.
" NOTE The Tactile Sensor is also referred to as the Load Cell.
24. Activate the Z-Axis controls.
25. Lower the Dispensing Head until the tip of the Height Sensor probe touches the circle (NS
Series Needle Sensor) or is just above the Tactile Sensor (NSZ Series Needle Sensor).
" NOTE The probe does not need to touch the Tactile Sensor.
26. Click on
Teach.
27. Use the Position Controls to align the needle tip with the same circle (NS Series Needle
Sensor) or with the Tactile Sensor (NSZ Series Needle Sensor).
" NOTE The tip of the needle should touch the circle. The needle does not need to touch
the Tactile Sensor.
28. Click on
Teach.
!The Dispensing Head lowers twice, once to obtain a general height measurement and
again to obtain the exact height.
29. Click on
Done to accept the results.
!The Teach Window closes and you return to the Setup dialog box. Notice that the box
next to number 4 now has a check mark (9) in it to indicate that Step 4 is complete.
30. Click on
Run next to “5. Calculate the Needle-to-Camera XY offset.”
!If your dispensing system is equipped with a Dual-Action Dispensing Head, this step is
called “Calculate Needle 2 XY offset.”
!A Teach Window opens.
!During this step of the procedure, you will dispense four dots onto a sample substrate and
then align the Camera to the dots.