Instruction manual

29
3 Troubleshooting
Introduction
This chapter lists fault messages and symptoms, and provides procedures for
troubleshooting printer malfunctions.
Always have the
User’s Manual 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 Here” Logic Tree page 30
• Troubleshooting Display Messages page 31
• Message List page 31
• Troubleshooting Other Symptoms page 36
• General Symptom List page 36
• Troubleshooting Procedures page 38
• Diagnostic Printer Tests page 92
• Hex Code Printout page 95
• ASCII Character Set page 97
• The Power On Sequence page 99
• Appendix A: Wire Data page 259