Samsung Electronics
Service Manual
System Overview
3-24
Ready LED Error LED Toner Save LED Status
ON OFF N/A Ready to receive the data.
SLOW BLINK OFF N/A Receiving the data from the host.
In case that toner save mode is ON.
FAST BLINK OFF N/A Printing the page.
In case that toner save mode is ON.
N/D N/D N/D Recovery mode
OFF ON N/A Out of paper
BLINK BLINK BLINK Service error (LSU or Fuser error)
N/A N/A ON Toner save mode is ON
N/A N/A OFF Toner save mode is OFF
3.3.6 LED Behaviors
Error LED Operation
All LEDs blink the each time interval.
Service Error LED operation
Fuser Error Open Fuser Error All LEDs (Toner save LED, Error LED) blink a time interval
of 1 second.
Low Heat Error All LEDs (Toner save LED, Error LED) blink a timeinterval of
4 seconds.
Over Heat Error All LEDs (Toner save LED, Ready LED and Error LED) blink a
time interval of 1 second.
LSU Error LReady Error All LEDs (Toner save LED, Ready LED) blink a time
interval of 1 second.
Hsync Error All LEDs (Toner save LED, Ready LED) blink a time
interval of 4 seconds.