I don't think I am going to get the pySerial working with this plotter, but I managed to get it working using cat filename > /dev/ttyS1. Where can I modify the python script to execute that instead of the pySerial stuff? I tried changing the plot definition in device.py to use subprocess.call(["...

I have an HP 7550A Graphics plotter that works quite well, and I have been trying to get it working with my linux machine and inkscape using InkCut. I got everything installed and all the options set right, but I am getting a communication error. The plotter does not like what InkCut is sending to i...

I recently came upon an HP 7550A Graphics Plotter. It uses the standard HPGL language, and I saw that Inkscape can save HPGL scripts. I drew a little test, and it exports fine, and with a little modification of the settings on the exporter, it plots fine, but when I use something in the Render menu,...