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my printer works with uv dlp light engine that the led control code is located at shutter gcode box includes execution of a python script sent to engine via usb cable. some times and randomly, the printer hangs on "action: transferring data ..." just after the led turns off and before moving the plate to lift height. i am suspect that execution of python code and sending the movement gcode to Z axis sometimes interfere and make this problem.
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please share a debug file
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here is the debug file
https://drive.google.com/file/d/1qVOOxm … sp=sharing
i should mention that sometimes at the print start, projector powers on but doesn't light up the led, but the plate goes up and down and SOMETIMES middle of print job it hangs just after the led powers off and the plate doesn't move anymore. i also have some "External Call Problem exec: '[[Exec': executable file not found in $PATH"}" message in log.
i searched the forum and think it somehow related to the problem mentioned here: https://www.nanodlp.com/forum/viewtopic.php?id=2540 which remained unsolved.
Last edited by F.m (2020-11-03 12:53:08)
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shahin did you find the problem?
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Remove sudo, then add python code full path without calling interpreter (better to mention it on python file itself)
eg. #!/usr/local/bin/python
[[Exec /bla/bla/pythoncode.py]]
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thanks
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