I initialize the printer with
then print a line that is 8.3" long, but fits well on the 11" wide paper.
On an HP PCL6 printer, it skips a line after any line 133 or more characters long (but does print the whole line).
On a PCL5 printer, it prints the whole line, and does not skip a blank line.
I do not use any print driver, as I am printing from an IBM Mainframe, not Windows.