Toshiba Portege M100 Maintenance Manual - Page 62
Procedure 2, Printer Port LED Check, Troubleshooting Procedures, System Board Troubleshooting
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2 Troubleshooting Procedures 2.4 System Board Troubleshooting Procedure 2 Printer Port LED Check The printer port LED displays the IRT (Initial Reliability Test) 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) Printer port LED status = 35H (Binary notation) (Hexadecimal notation) Figure 2-3 Printer port LED board 2-20 PORTEGE M100 Maintenance Manual (960-452)
2
Troubleshooting Procedures
2.4
System Board Troubleshooting
2-20
PORTEGE M100 Maintenance Manual
(960-452)
Procedure 2
Printer Port LED Check
The printer port LED displays the IRT (Initial Reliability Test) 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 = 35H
Figure 2-3 Printer port LED board