GCC Technologies Elite 12/1200N Installation Manual page 67

COPY /B myfile.prn LPT1
This sends the print job in the file myfile.prn to the parallel port LPT1 and to the
device connected to that port. The binary mode switch /B is needed so that all
control characters are sent to the printer as data.
N : GCC recommends that you don't use the DOS PRINT command. Although
OTE
this command can allows you to continue using DOS while the file is printing, it
can not print files that contain certain control characters. This can cause printing
problems with complex files. However, if you are sending simple text files, the
PRINT command may work.
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