If your network attached printer is listening on TCP/IP port 9100 ("HP
JetDirect" protocol) and your DOS program can generate something the
printer can understand, then do the following:
- Print your printer output to a file
- Send the file to the printer using this command:
nc -target <printer address> 9100 -bin < <filename>
Substitute <printer address> with the IP address of your printer and
<filename> with the filename your program generated when you said "print
to file". For example, on my printer:
nc -target 192.168.2.20 9100 -bin < testfile.txt
Will print testfile.txt over the network to the printer. (testfile.txt
gets redirected on stdin to netcat.)
Here is the fine print:
Most new network attached printers will listen on port 9100. Yours
might not. If it does nothing then it might be listening on the Unix
LPD port (515) or the IPP port (631). Just try it, nothing bad will happen.
Your DOS program has to generate output that your printer understands.
That is usually some form of PCL output. Some printers can take raw
ASCII text, some more expensive printers can do PostScript, and some
cheap and nasty printers require Windows and can't do anything by
themselves. If you have a printer that does not do ASCII, PostScript,
or PCL and requires a Windows machine to do anything, it won't work for you.
Mike
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