... Instrument Group SPT print head, 510 nozzles per print head.<> The voltage of the print head is able to adjust ... productivity.<> The adjustment of bi-direction, step and carriage moving speed can be modified during printing.<> Edge feather function ... 40%-60%Rip Software Photoprint, Maintop, Wasatch (optional)Print head Height 2-4mm (adjustable)InterfaceUSBPowerAC220V, 50HZ/60HZ, 500W- ...