Specifications

3–19Troubleshooting
Troubleshooting Aids
• Printer Confidence Check (page 3–20). This procedure
systematically checks basic printer operations and functions. Use it
to establish basic printer status or for troubleshooting imprecise or
intermittent symptoms.
• Diagnostic Check of Microprocessors (page 3–21). This
procedure checks processor operations on the printed circuit board
assemblies (PCBAs).
• Diagnostic Self–Tests (Page 3–26.)
• Hex Code Printout (Page 3–29.)
• Appendix D: Cable Interconnections and Hammer Bank
Wiring Diagram