Brother HL-4000CN Service Manual page 80

Drum Y
Charged
(1)
with
electricity
(2)
Exposure
Develop-
(3)
ment
Primary transfer
(4)
(Drum
Intermediate
transfer unit
( IDT1)
(5)
Intermediate
transfer unit
( IDT2)
Paper
Drum M
Charged
(1)
with
electricity
(2)
Exposure
Develop-
(3)
ment
®
IDT1)
Cleaning
(6)
( IDT1)
Secondary transfer
®
( IDT1 IDT2)
(8)
Cleaning ( IDT2)
(7)
Tertiary transfer
®
( IDT2 Paper)
(9) Static elimination
(10) Fixing
Drum C
Charged
(1)
with
electricity
(2)
Exposure
Develop-
(3)
ment
Primary transfer
(4)
(Drum
Intermediate
transfer unit
( IDT1)
Cleaning
(11)
(general)
Fig.3-1
III-2
Drum K
Charged
(1)
with
electricity
(2)
Exposure
Develop-
(3)
ment
®
IDT1)
Cleaning
(6)
( IDT1)
Transfer roll
cartridge