Brother HL-3400CN Series - Manual (Page 182)

CHAPTER 5 MAINTENANCE
5-25
240K Kit
240K Kit
When you see the following message on the LCD panel, you must replace
the items located in the 240K Kit, which includes the Drum Cleaner and
the Transfer Roller.
✒ Note
•
User replacement of some of the following 240K Kit parts is not
recommended.
•
For user replacement of the Drum Cleaner and Transfer Roller please
refer to the instructions below.
•
We recommend that you contact your local Brother authorized dealer
or service center for replacing the Paper Feeding Roller, Separator
Pad and Transfer Drum.
•
We recommend you contact your Service provider when you see
the following message on the LCD panel:
REPLACE 240K KIT
Drum Cleaner
!
Caution
Both ends of the Drum Cleaner roller consist of metal bearings that
connect the bias element to the power supply. These must be connected
correctly when you install the Drum Cleaner. Be sure to check how to
connect these properly by referring to the old Drum Cleaner before you
begin replacement.
Replacing the Drum Cleaner
1. Press the Power button to turn the printer Off and unplug the printer.
2. Open the Top Cover.