When using a Raspberry Pi and an LCD to run the printer, can the LCD controller that comes on the printer be removed or does it need to be used also?
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Why remove it? It's not in the way and it's hardly a power pig. – Carl Witthoft May 08 '19 at 13:58
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@CarlWitthoft Those flat cables are generally in the way when you want to nicely route the cables for some proper cable management... ;) – 0scar May 08 '19 at 14:08
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No, when you run the print jobs from a Raspberry Pi, e.g. using the OctoPrint print server, you do not need the display of the printer as you can control the printer from the Pi screen or from a browser of any other device. Do note that not all functionality of the LCD controller is built-in in those printer servers, but you normally have a terminal to interface using G-code with the printer, or you can make macros to do that.
In some cases it might be handy to leave it on the printer for small adjustments, homing an axis, or feeding some filament; it saves you some time opening a browser to control the printer when you operate the printer remotely and allows to troubleshoot the machine manually.
