Geeetech

For accuricy yes but for working at all, i do not think that calibration is the issue (or say im quite cetrain). I can agree that i get bad performance if i do not calibrate the sensors but i would still get change in Z axis. It is hard to calibrate a sensor that is malfunctioning.
To be clear, if ...

Hi

I did just mail my EBAY seller and he told me to make a post here:

Dear kufra_kufger,

Dear friend,
Thanks for your mail, when you have a problem,would you please kindly post your problem on our forum
( http://www.geeetech.com/forum/ ),our tech-support are there and will reply you ASAP. Thanks ...