# Change Drum Message
If the Drum LED is on, it means the drum unit is near the end of its life.
We recommend that you replace the drum unit with a new one before
there is a noticeable deterioration in the print quality.
!
Caution
•
While removing the drum unit, handle it carefully because it may
contain toner.
•
You should clean the printer when you replace the drum unit. See
"Cleaning" in this chapter.
CHAPTER 5 ROUTINE MAINTENANCE
Drum
Ready
Paper
Alarm
Toner
Data
5–9