Geeetech

Hello there I wondering if somebody can give me a little bit of advice I have the a 20 T 3D printer I recently fitted the 3D touch self levelling tool on to rates I can't get the distance from the hotend niib to the bed close enough 2 allowance to print I've tried everything I've gone through the settings is it anybody that can help me to write this so I can carry on using the printer please accept the any spelling mistakes as I am using predicted text as I'm dyslexic thank you Chris

It seems you need to adjust your z-offset! The command in Marlin is M851. On youtube there are a lot of videos that show how to do that.

example: https://www.youtube.com/watch?v=y_1Kg45APko