what happened to my large format printer? it's an Aprint Nano printer with spectra skywalker JA128 50PL Printhead. the printout was always a line of 4 colors and I noticed in my nano server program always at Testmode and at the shape bar it shows - Line even I set it up to 3 pass and small wave. i'm using an Aprint RIP program. need your help guys! thanks!