Compuprint Z03 User Manual page 47

Display Message
220 SERIAL DSR ERROR
SEE USER'S GUIDE
A remote connection serial interface error
occurred.
221 SERIAL OVERFLOW
SEE USER'S GUIDE
A serial input buffer overflow error was
detected. (Data has been lost.)
Recovery Action
1. Turn off the printer.
2. Ensure the interface cable is connected to the printer and to the
modem.
3. Ensure the serial configuration parameters are set correctly (see
"Parallel, Serial, and USB Configuration" in the User's Guide).
4. Turn on the printer.
1. Press STOP to clear the message.
2. Compare the SERIAL PACING PROTOCOL value that is set in the
printer to the pacing protocol of the host system (see "Serial
interface pacing protocol" in the User's Guide).
3. Restart the print job
Setting up the 4247 Model Z03 Printer
35