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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.
Figure 2-2 Printer port LED
Figure 2-3 shows the function of the printer port LED board.
(Binary notation)
(Hexadecimal notation)
Lighting (ON)
Not-lighting (OFF)
Printer port LED status = 35 H
Figure 2-3 Printer port LED board
Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445) 2-19