Hi. I have built up a new laser system and having an issue with etching raster pictures on my mediums. I have a RAMPS 1.6 with Arduino DUE. Been using Repetier's firmware and have tried MarlinKimbra. So far, I have no issues with either firmwares with movement, endstops, or firing the laser at different intensities. I can cut and do outlines and monotone drawings. But when I run a rasterby Septora - Laser Cutter Working Group