Brother HL-3450CN Service Manual page 69

CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS
4
The first transfer process means that the toner image on the OPC belt is transferred onto the
transfer drum.
(1) Structure of the Transfer Drum (Refer to Fig.4-8.)
i) The drum is located as shown in Fig.4-8.
ii) Material of the drum is aluminum.
iii) Semiconductor rubber is used to provide the drum surface as shown in Fig.4-17.
iv) The transfer drum rotates by contacting and synchronizing with the OPC belt.
First Transfer (Drum)
Transfer Drum
Aluminum
Rubber
Fig. 4-17
4-16