Testing And Calibrating The Uv Lamps - Stratasys J826 User Manual

Stratasys J826 User Guide
➢ If the replacement head was not calibrated by Stratasys, remove the head
The level of UV radiation from the lamps used for curing models can change
Testing and
over time. To ensure optimum curing of models during printing, a pop-up
Calibrating the
message reminds you to test the lamps and calibrate the level of UV radiation
UV Lamps
after every 300 hours of printing. You do this by running the UV Calibration
Wizard.
To measure the UV radiation, you need:
• Stratasys TOL-03005-S (UV sensor and cable)
• a stand-alone UV radiation meter, approved for use with the printer
The wizard compares the measured radiation to the recommended radiation
level for each of the lamps, at each printing mode—High Speed /
High Quality.
When calibrating the lamps, the wizard attempts to adjust the radiation level,
if necessary.
• If the reading is within the acceptable range, the wizard continues to the
• If further adjustment is necessary, the current phase is repeated.
• If the level of UV radiation is too low to be properly adjusted, the wizard
Before testing and calibrating the UV lamps:
l
l
DOC-28000 Rev. D
and replace it with another one.
Figure 4-104 Invalid-head warning
Contact your Stratasys service provider about the uncalibrated head.
or—
next phase.
continues to the next phase, but the final wizard screen indicates that the
lamp's radiation for the printing mode is unacceptable.
Make sure the glass lens on each of the UV lamps is clean. For easy access,
run the Head Cleaning Wizard, and use the special cleaning pad supplied.
Make sure that the glass over the UV radiation sensor is clean.
4 Operating and Maintaining the Printer
4-70