IBM 19 - Manual (Page 349)

4. Increase the emulation timeout (for HP PCL and HP-GL files)
or the PS wait timeout (for PostScript files).
5. If you are using a PC, make sure that the mode statement in
your AUTOEXEC.BAT file ends in a p so that print jobs are
sent until the printer accepts them:
mode lpt1:,,p
6. Send an end-of-job in case a previous job lacked this
command.
Chapter 9
T r o u b l e s h o o t i n g 9 - 2 7
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