Toshiba A40 manual Procedure 2 Printer Port LED Check, Printer port LED

2.4 System Board Troubleshooting 2 Troubleshooting Procedures

Procedure 2 Printer Port LED Check

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.

Lighting (ON)

Not-lighting (OFF)

(Binary notation) (Hexadecimal notation)

Printer port LED status = 35 H

Figure 2-3 Printer port LED board

Satellite A40 Maintenance Manual (960-458) 2-21