Specifications

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To test communication between your printer and your PC, first create
a short file that ejects a page from the printer. Then send the file to
the printer.
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To create the test file, type the following commands at the DOS
prompt:
copy con printest.ps↵
showpage↵
^D^Z↵
(All commands above except the DOS copy command are case sen-
sitive and must be typed exactly as shown.) Showpage is a Post-
Script command that prints a blank page. The ↵ symbol means to
press the Enter key. To produce the ^D and ^Z, press and hold down
the Ctrl key while you type the appropriate letters (d and z). These
characters signify the end of the file and must always be included.
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1 To send the PRINTEST.PS file (you just created) to the
printer, type
copy /b printest.ps lpt#↵
where # is the port number (1 to 3).
»Note:
If the PC has more than one parallel port, they're probably
labeled. If not, check the PC documentation for the LPT port
names.