martind-n

No... On the MKS board there is only one position. On RAMPS I'm putin the red line pointing to power supply connector.

Oskar, I could solve my issue by changing the serial port on my Arduino (using serial2 instead of 0). That makes the screen communicates to printer, however there's another problem...

Hi. What I actually did at that time was to change default por in Marlin for port #2 and then wired TFT TX to ramps pin #17 (RX) and TFT...