Brother International HL-3400CN Service Manual - Page 67
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CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS 4 First Transfer (Drum) 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. Transfer Drum Fig. 4-17 Aluminum Rubber 4-16
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CHAPTER
4
STRUCTURE
OF
SYSTEM
COMPONENTS
4
First
Transfer
(Drum)
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.
Transfer
Drum
Aluminum
Rubber
Fig.
4-17
4-16