Toshiba Tecra S3 Maintenance Manual page 60

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 board
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 status
2-18 [CONFIDENTIAL] TECRA S3 Maintenance Manual (960-532)