I am trying to save an image as monochrome (black&white, 1 bit-depth) but I'm coming up lost how to do it. I am starting with a png and converting to a bitmap for printing (it's a thermal prin...

I am trying to create a prototype to print bitmap data for a text file to my LAN enabled epson pos printer TM-T88V. While I have no problems to send text and text formatting instructions, I dont ...