IBM 3 User Manual page 321

2. If the attachment card was not removed, power off (O) the printer, reseat the
attachment card, and power on (|) the printer.
202 NO ATTACHMENT CARD FOUND
SEE USER'S GUIDE
A new type of attachment card was detected when the printer was powered on.
Recovery
1. Press Start to confirm installing a new attachment card and to continue the
power-on sequence.
2. If the attachment card was not removed or replaced, this would indicate a
problem that requires you to call for service. If the message reappears, call for
service.
203 ATTACHMENT CARD FAILURE
SEE USER'S GUIDE
An attachment card memory error occurred during the power-on sequence.
Recovery:
1. Power off (O) the printer.
2. Wait 10 seconds, then power on (|) the printer.
3. If the printer displays this status code again, call for service.
220 SERIAL DSR ERROR
SEE USER'S GUIDE
A remote connection serial interface error occurred.
Recovery
1. Power off (O) the printer.
DANGER
<1-14> Switch off printer power and unplug the printer power cord before
connecting or disconnecting a communication port, a teleport, or any other
attachment connector.
311
Chapter 20. Problems