Light on -> Printer OFF

I've connected a Led to a GPIO of the RPi Zero WLan.
Added a PY Script and a SystemCommand

If usind SystemCmd (LightON) the Printer is getting Offline
Since this LedOn is RPi only and does not (IMO) effects the serial bus to the printer i've no idea what happened.

I'm not sure if this happens every time and also to my second printer with a seperate RPi.
I'll try this later

It is a Artillery X1 Printer

First of all you should upgrade to at least a pi 3 - a pi zero can affect your print quality.

Depending on which led it is it might draw too much power. You could try this or connect the led in a different way like with the help of a mosfet.

For further help we need the logs.

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