IBM 19 - Manual (Page 99)

Testing Serial Communication
1. Go to the DOS C:\ prompt.
2. Create a short PostScript test file called PRINTEST.PS by
typing the following commands:
copy con printest.ps
↵
showpage
↵
^D^Z
↵
To type ^D and ^Z , press and hold down the Ctrl key while
you type the letters d and z. These are end-of-file characters.
You must type showpage, which is a PostScript command
telling the printer to eject a page, in lowercase letters. The
↵
symbol means press the Enter key, as it does throughout our
documentation.
3. At the DOS C:\ prompt, send PRINTEST.PS to the printer by
typing the following command:
print printest.ps
↵
If prompted for the name of the list device, type the name of
the serial port you’re using at the computer, for example,
com1
↵
NOTE: If the computer has more than one serial port, they’re
probably labeled. I f not, chec k the computer
documentation for the COM port names.
If a blank page ejects from the printer, the printer and the
computer are communicating. You are ready to start printing.
If a blank page does not eject and you typed the file correctly,
make sure the printer’s serial port settings match those of the
PC. See “Checking Serial Communication Settings,” below.
Chapter 3
C o n n e c t i n g t h e P r i n t e r 3 - 1 9
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