Brother HL-4000CN Service Manual page 324

A B
2.8.3 Toner cartridge set
1
DRIVE PWB
TONER
A
CARTRIDGE
PL15.1
SWITCH ASSY (Y)
PL12.2
J51 J431
12 1
YEL YEL
DC COM
(CH1.1)
TONER
B
CARTRIDGE
SWITCH ASSY (M)
2
PL12.2
J432 1
14
YEL YEL
DC COM
(CH1.1)
TONER
C
CARTRIDGE
SWITCH ASSY (C)
PL12.2
J433
30 1
YEL YEL
3 DC COM
(CH1.1)
TONER
CARTRIDGE
SWITCH ASSY (K)
PL12.2
J434 1
32
YEL YEL
DC COM
(CH1.1)
4
TONER CARTRIDGE SET
A
5
6
C D
DRIVE PWB
DI-8
PL15.1
TONER CARTRIDGE(Y)
J431
SET(L) +3.3VDC J51 11 J42
2 4
GRY GRY YEL
DI-9
TONER CARTRIDGE(M)
J432
SET(L) +3.3VDC
2
13 5
GRY
GRY VIO
DI-a
TONER CARTRIDGE(C)
J433
SET(L) +3.3VDC
29 6
2
GRY BLU
GRY
DI-b
TONER CARTRIDGE(K)
SET(L) +3.3VDC
J434
2 31 3
GRY GRY GRY
C
B
VI-27
E F
MCU AND HVPS PWB
PL15.1
+3.3VDC 1
CONTROL
LOGIC TONER CARTRIDGE(Y)
J12 27 SET SIGNAL
YEL
+3.3VDC 1
TONER CARTRIDGE(M)
SET SIGNAL
J12 27
VIO
+3.3VDC 1
TONER CARTRIDGE(C)
SET SIGNAL
J12 27
BLU
+3.3VDC 1
TONER CARTRIDGE(K)
SET SIGNAL
J12 27
GRY
1
Imaginary Line
2.8 XEROGRAPHICS
G H J
2.8.8
2.8.8
2.8.8
2.8.8