Not sure if PCL XL can handle a different x and y resolution. Final attempt with PPD in attachment (since it's difficult to test without the actual printer as it remains reverse engineering), can you try High Quality / 2400x2400dpi and 1200x1200dpi setting. Do you get any output with these settings and which setting gives the crispiest and slowest output? I also changed Draft Quality to 300x300dpi, does it gives lower output than Normal / 600x600dpi setting?
Not sure if PCL XL can handle a different x and y resolution. Final attempt with PPD in attachment (since it's difficult to test without the actual printer as it remains reverse engineering), can you try High Quality / 2400x2400dpi and 1200x1200dpi setting. Do you get any output with these settings and which setting gives the crispiest and slowest output? I also changed Draft Quality to 300x300dpi, does it gives lower output than Normal / 600x600dpi setting?