Epson ESC/VP21 User Manual page 71

your modem should be set to COM2 or COM4. Continue to the next step if
the COM port address is OK.
4. Issue the command: AT&F&W <CR>, if a "0" or "OK result code is dis-
played on the screen, your modem is OK. Otherwise, contact your dealer for
assistance.
Your Modem Does Not Dial Out
Make sure that your modem responds normally as described in
section 4.1. If you can communicate through the keyboard, check
whether the modem is properly connected to the phone line.
Your Modem Does Not Connect After It Has Dialed a Phone Number
The problem may have several causes. The phone line may be
too noisy or the telephone cord may be poor. Try the line with a
regular phone. Also the remote modem may not recognize your
modem's baud rate.
Your Can't Transmit After You Have Connected to the Remote Modem
this case, check the communication parameters of the remote
In
modem, then configure your software to the same number of data
bits, stop bit, and parity.
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TROUBLESHOOTING GUIDE - 5