Output to a printer

Hi everyone, I was just wondering, how would I go about sending information straight to a printer?

in general File->Print->OK :):):)

well, right now this is the particular code that I'm using

Code:

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cprn.open("LPT1");
cprn << file.custname << endl;
cprn << file.custID;
cprn << file.subadd.streetnum << " " << file.subadd.streetname;
cprn.close();

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oh yeah, forgot to mention, it's not working at the moment..