Leadshine is glad to announce that we will start to provide technical support on CNCZone to users who have bought from us directly, or through our authorized distributors out side of China at Distribution Network. As the largest stepper drive and easy servo (closed stepper) system designer and manufacturer in the world, Leadshine products have been widely implemented in tens of industries including very high sales in CNC industries (mills, routers, plasma, lathe, laser cutter, waterjet...). Because the popularity of our products, there are a lot of replicas and fake Leadshine products sold online from eBay, Amazon... For this reason, Leadshine will not provide technical support or warranty to products bought through those source. You are welcome to post your questions here in this Leadshine forum. You can also go to Leadshine website at www.leadshine.com or www.leadsihineusa.com to find manuals, software, datasheets..., which could help to solve your technical issues.