IBM 6400-I15 Maintenance Manual - Page 55
Chapt 5 Troubleshooting, Introduction, Troubleshooting Aids
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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 Troubleshooting 55
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