CHAPTER 5 PERIODIC MAINTENANCE
Confidential
5-2
<Change Drum Message>
If the LED shows the message below, 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.
Fig. 5-1
!
CAUTION:
* While removing the drum unit, handle it carefully as it may contain toner.
* Every time you replace the drum unit, be sure to clean the inside of the printer.
<Replacement Procedure>
(1) Open the front cover of the printer. Make sure that the printer is turned on and the
Drum
LED is blinking.
(2) Press and hold down the
Go
button for about 4 seconds until all the LEDs light up.
Once all four LEDs are lit, release the
Go
button. Do not reset the drum counter when
you replace only the toner cartridge.
(3) Pull out the drum unit and toner cartridge.
Fig. 5-2
!
CAUTION:
* We recommend that you place the drum/toner ASSY on a piece of disposable paper or
cloth in case you accidentally spill or scatter toner.
* To prevent damage to the printer from static electricity, do not touch the electrodes shown in
the figure below.
Fig. 5-3
