Drum LED indications, Alarm LED indications

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
r
The drum unit can be used.
On
q
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.