Toshiba TECRA S1 manual Procedure 2 Printer Port LED Check in Boot Mode, Printer port LED

2 Troubleshooting 2.4 System Board

Procedure 2 Printer Port LED Check (in Boot Mode)

The printer port LED displays the POST status and error status by turning lights on and off as an eight-digit binary value obtained in the boot mode after the system unit is switched on. Figure 2-2 shows the printer port LED.

Figure 2-2 Printer port LED

Figure 2-3 illustrates how the printer port LED shows a status value.

Printer port LED status = 35H

Figure 2-3 Printer port LED board

2-12 TECRA S1 Maintenance Manual