I think the ESC/P was the newer ones after the LQ series. I spent many an hour on our FX-80 (the successor to the MX-80), mostly doing label printing code for m

I think the ESC/P was the newer ones after the LQ series. I spent many an hour on our FX-80 (the successor to the MX-80), mostly doing label printing code for my dad's pharmacy. With all the escape codes documented it was great. The FX had the trick of being able to do reverse feed (From memory Esc [ 2j I think - heck that was some time ago?)