Brother HL-1240 - Manual (Page 39)

CHAPTER 1 ABOUT THIS PRINTER
1-31
Drum LED indications
The Drum LED indicates the Drum unit is nearly at the end of its life.
LED Printer status
Off
❍
The drum unit can be used.
On
●
The drum unit is nearly at the end of its life. We recommend you to
obtain a new drum unit to replace the current one.
See “How to
replace the drum unit” in Chapter 3.
Alarm LED indications
The Alarm LED blinks (with no other LEDs) to indicate a printer error status such
as “ COVER OPEN ” or “ MEMORY FULL .” If any other error occurs, the printer
indicates the error by blinking the Alarm LED with another LED or by printing an
error report. For additional information, see “Control Panel Indications” in Chapter
4.