IBM 6400 Series, Maintenance Manual

Page: 55 / 428

55 Troubleshooting
5
Troubleshooting
Introduction
This chapter lists fault messages and symptoms, and provides procedures
for troubleshooting printer malfunctions.
Always have the Operator’s Guide and the Setup Guide handy when you
troubleshoot because this manual does not cover printer operation or
configuration. You must operate the printer to check its performance, and
sometimes you may have to reconfigure it.
Troubleshooting Aids
Troubleshooting is faster and more effective if you understand the equipment
and make use of all available tools.
This manual provides a number of troubleshooting aids to help you isolate
printer malfunctions:
♦
Start of Call Page 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
♦
Troubleshooting Display Messages Page 57 . . . . . . . .
♦
Message List Page 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
♦
Troubleshooting Other Symptoms Page 66 . . . . . . . . . .
♦
General Symptom List Page 67 . . . . . . . . . . . . . . . . . . . . .
♦
Troubleshooting Procedures Page 70 . . . . . . . . . . . . . . .
♦
Communications Failures Page 133 . . . . . . . . . . . . . . . . .
♦
Operator Print Tests Page 135 . . . . . . . . . . . . . . . . . . . . . . .
♦
Customer Engineer (CE) Tests Page 138 . . . . . . . . . . . . .
♦
Hex Code Printout Page 145 . . . . . . . . . . . . . . . . . . . . . . . .
♦
ASCII Character Set Page 147 . . . . . . . . . . . . . . . . . . . . . . .
♦
The Power On Sequence Page 151 . . . . . . . . . . . . . . . . . .
♦
Appendix A: Wire Data Page 293 . . . . . . . . . . . . . . . . . . . .