2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Procedure 2
Printer Port LED Check on Boot Mode
The printer port LED displays the IRT status and test status by turning lights on and off as an
eight-digit binary value for boot mode. Figure 2-2 shows the printer port LED.
NOTE: You need Advanced Port Replicator III Plus in this test.
Figure 2-2 Printer port LED board
Figure 2-3 shows the function of the printer port LED.
Figure 2-3 Function of Printer port LED
TECRA M5 Maintenance Manual (960-542)
[CONFIDENTIAL]
2-19
Summary of Contents for TECRA M5
Page 10: ...x CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 48: ...1 Hardware Overview 1 13 AC Adapter 1 34 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 49: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 50: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 125: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 126: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 3 ...
Page 130: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 231: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 232: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 329: ... CONFIDENTIAL Appendices ...
Page 330: ...Appendices App ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 350: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 380: ...Appendices Appendix C Pin Assignments C 30 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 390: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 392: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Page 398: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...