Stratasys J850 Manual page 96

2. Lead the cable out of the printer so that you can close the printer, and
tape it down to make sure that it does not interfere with the moving print
block.
3. Close the printer, while checking that the sensor does not move out of
position.
4. Set the UV meter to measure mJ/cm2.
5. Set the range on the meter to 2,000.
6. Connect the cable from the sensor to the UV meter.
7. Turn on the UV meter, and wait until "0 0 0.0" appears on the display.
8. In the wizard screen, confirm that the sensor is positioned correctly, and
click .
Continue with "UV Measurement " on the next page.