This article was previously published under Q101850
All MS-DOS application printing is done through the Windows NT spooler
system. In order to know when to send a job to the spooler, there is a
time-out on the printer port. Once something has been printed to the
port, if this time-out passes with no more data presented to the port,
the print job is sent to the spooler. On a slow computer running a
complex calculation to produce the print job, it is possible that the
time-out can expire during this calculation. This will cause the
printout to appear over multiple pages instead of a complete page. To
solve this problem, increase the time-out. Change the registry setting
to the following:
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