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OK of course I was not getting notifications for these responses again!

Alright, Steve you are spot on. I managed to set up the bed to home automatically on startup. Someone had turned off the...

Bill, I appreciate you taking the time!

OK yes, I see Page 84 has the info about sending the axises back to Origin. However: U Axis is currently set to 'Open' but that behavior does not occur.
...

Bill,

We use a spacer tool all of the time to focus. We make a new one every time we teach the safety course. The bed does not automatically do anything ever... there is no "Home". It does not...

Bill, The machine has been in use for 2.5 years. This has always been the behavior of the machine. We are a makerspace so new people are always being trained. The goal is to make the machine as easy...

This sounds like a very important clue, Kev. Where is the microswitch setting located?

Bill,

We are trying to have the bed simply be able to go up or down (U-axis in our case). Currently it can go down as far as you want, and up 65mm. If you restart the controller, you can go up...

Kev, I realize I neglected to make a response to Matt's reply above Steven's. We did switch the motor control to Z and while it also made horrible noises and lots of jitter, the overall functionality...

Steven, I was never notified of this comment! It's a huge step forward, however the behavior you expressed is not quite what we are experiencing.

What happens for us when we push the decimal is...

Thanks Matt! Here is what the manual says:

Support 5 axises motion control(X Y Z U V, XY is for laser cutting control, Z is
feeding axis, U is lift axis, V is for the second laser cutting head)....

Hi! I run a makerspace / fab lab in Santa Cruz, CA where we have a Redsail CM1290 100W Chinese Laser, TL-403 Controller.

We love the thing but the most nagging issue we have encountered is this:...