Your printer doesn't print, and it's the first time you've tried to print anything with that particular application.

The computer is sending information to the printer in a form the printer can't deal with. You're using either the wrong baud, the wrong number of data bits or stop bits, or the wrong kind of parity.

Check the manual that came with your printer to see how your printer expects to receive data from the computer, and then use the information to answer printer-specification questions in the application. If your application doesn't ask for your printer's specifications, use the information to reconfigure the printer port by using the Control Panel Program, explained in Appendix A.

Every character appears twice on the screen when you're sending a message.

Your computer is echoing every character you send on the screen, and the other computer is echoing every character it receives back to your screen.

Change the Echo setting to No by using the Control Panel Program or the communications application.

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Appendix B: Troubleshooting