Geeetech

Hi there just got me printer all set up ready to go but have Z flashing ? and 0 at the end on the home screen.. ?
Any ideas as i dont have a clue.

auto home its ok. but try to print it happens
also starting to print close to the home edge
nothing will print in the centre
just started another print waiting for heat up, z is flashing but not with ?

Thanks

I think you can upload the firmware via Arduino 1.8.5 then test it again.
http://www.geeetech.com/forum/viewtopic ... 09&t=61933

If the issue still on.You can try to swap the A4988 or the motor to check the hardware is ok or not.