Blitzen down - unable to adjust z-axis

Tried to use Blitzen and only the negative z-axis works. Can not get tray to move in the positive direction. The laser seems to work and is communicating with the PC.

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Someone did come by and was able to get it to work. It was finicky.

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Could be out of level, if it’s bad that can cause movement issues in the Z axis.

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I kept getting the not able to communicate with device error. 7/4/20 @10AM. Reconnected USB. Still did not work.

There’s a special USB cable Im about to order that will hopefully solve this problem. Usually some number (2-4) of rebooting the laser and reseating the cable makes it work, it’s very intermittent.

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