Geeetech

inverted the z axis stepper to true.
Axis now moves down but probe will not go down, so nozzle crashes into bed.

Decided to swop out the 3Dtouch with another one.
Problem solved, had to change the z axis stepper back to false.

Wonder if they will exchange the 3d touch.

Ok so I upgraded to marlin 1.1.4. got another gt2560 board. downloaded the marlin sw for the geeetech using the 3dtouch. Did not work off the bat. set the #define servo0 pin from 11 to 32. this allowed me to send m280 p0 s10 /90/120/160 and that worked. Using the 3 pins in Zmax (ground, signal,12vdc...

Thanks for the reply. I am using 1.0.2
Where to download newer version?

Have a Pro B Installed the 3d touch. changed the config h and pin.h files as per geetech instructions. upload fine. When I turn the printer power off and on, the sensor goes up and down twice and the led stays lit. Cannot get it to go down or up with M280 P0 S10, M280 P0 S90, or M280 P0 S160 command...

Thanks that worked. In MOTION settings and Reptier Host. I was using simplify3d. And Adruino IDE

I have installed drv8825 stepper drivers vref set about 0.65v The 3 links (caps) are in 1/32 steps. Before changing firmware x axis travels halfway across print bed. Y axis the same. This is to be expected. Changed the #define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,2560,93} // MXL, Z M8=1.25, MK8 To: {1...