I have been trying to configure my prusa mendel i2 for 6 months now with no joy could someone please help me with the configh tab. My Z axis is very jerky and moves very slowly my x and y actually move okay. I can't home that feature just doesn't work it makes a horrible screeching noise and jerks about a mm then stops, and trying to print nearly tore it apart my printer has gone crazy allot of help needed. £30 or $50 to whoever can get it fully functional Skype can be arranged in necessary. I need this help quickly so if you are interested pm me asap.
