Specifications

Chapter 5 Troubleshooting

Contains a description of methods and procedures in maintaining and

troubleshooting the LG31 printer. Describes the test diagnostics for

power-on/test pattern, LED displays, remote-initiated self-test, and

fault/font checksum code lists.

Chapter 6 Removal and Replacement Procedures

Consists of procedures that apply to removing and replacing LG31

printer Field Replaceable Units (FRUs).

Chapter 7 Print Quality Adjustment Procedures

Describes how to adjust print quality.

Appendix A LG31 System Fuses

Lists the fuses in the LG31.

Appendix B Control Codes and Control Sequence Summary

A list of the control codes and control sequences.

Appendix C LG31 Printed Circuit Board Summary

Contains additional details on the circuit board.

Appendix D LG31 Interconnection Diagrams

Contains the interconnection diagrams.