Service Manual
Adjustment and Troubleshooting
4-2
Samsung Electronics
4.1.2 LED Function
The Status LED on the control panel shows the status of your machine.
See the table below to know your machine's status.
Status” LED Description
Off The machine is off-line.
The machine is in Power Save mode. When data is received, or any button
is pressed, it switches to on-line automatically.
Green Blinking When the backlight slowly blinks, the machine is receiving data from the
computer.
When the backlight fast blinks, the machine is printing data.
On The machine is on-line and can be used.
Red Blinking A minor error occurs and the machine is waiting an error to be cleared.
Check the display message.
The toner cartridge is low. Order a new toner cartridge.
You can temporarily improve print quality by redistributing the toner.
On A problem has occurred such as a paper jam, opened cover or no paper in
the tray, so that the machine can not continue the job. Check the message
on the display.
The toner cartridge is low, empty, or needs to be installed a new one. See
Understanding the toner cartridge messages on the display
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