Brother HL-1240 - Manual (Page 36)

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Ready (Paper) LED indications
The Ready LED indicates the current status of the printer.
LED Printer status
Off
❍
The power switch is off or the printer is in sleep mode. If the printer
is in sleep mode, it will wake up automatically when it receives data
or when you press the control panel button.
Blinking (Blinking at 1 second intervals)
The printer is warming up.
(Blinking at 2 seconds intervals)
The printer is cooling down and stops printing until the internal
temperature of the printer lowers.
On The printer is ready to print.
This LED also works as the Paper LED with the Alarm LED. They blink
simultaneously to indicate a paper error
LED Error Action
Ready
Alarm
Paper
Toner
Data
Drum
Paper jam Clear the paper jam referring to
Chapter 4 “PAPER JAMS and How to
clear them”
and press the panel button
if the printer does not automatically
resume printing.
No paper Load paper in the printer referring to
“How to load paper into the Paper
cassette” in Chapter 1
and press the
panel button.
Misfeed Reinstall the paper and press the panel
button.