ref: d0bec7a498e467ce995b9ab3f2675d95e69d21d3
dir: /sys/src/cmd/gs/lib/ras1.upp/
-supModel="SUN rasterfile, 1 Bit, 2 Colors (Ghostscript-Rendering)"
-sDEVICE=uniprint
-dNOPAUSE
-dSAFER
-dupColorModel=/DeviceGray
-dupRendering=/ErrorDiffusion
-dupOutputFormat=/SunRaster
-dupComponentBits={1}