Brother HL-4000CN Service Manual page 316

A B
2.7.2 MSI paper feeding
1 2.4.1 MSI
FEED DRIVE
OPERATOR
LOADED PAPER
2
3
MCU AND HVPS PWB
PL15.1
CONTROL
LOGIC
4
DC COM
+24VDC
SWITCHED
(CH1.1)
5
+3.3VDC
(CH1.1)
DC COM
6
(CH1.1)
C D E
MSI PAPER DEEF MECHANISM
DO-24
DOUBLE
PLUG
MSI FEED SOLENOID
J13 ON(L) +24VDC P139 J139 P132
11 1 11
YEL YEL YEL
YEL
10 2 10
YEL YEL YEL
YEL
MSI NO PAPER
SENSOR
PL7.2
DOUBLE
PLUG
P139 5 J139 J135 3
7
7 YEL
YEL
YEL YEL
4 8 2
8
YEL YEL
YEL YEL
VI-19
F G
A
MSI FEED
SOLENOID
DOUBLE
PL7.2
PLUG
J132
1 2
2 1
DI-10
DOUBLE
PLUG
MSI NO PAPER
J135 J139 P139 J13
SENSED(H) +3.3VDC
1 9 3
YEL YEL YEL YEL
A
2.7 Paper Transportation
H J
2.7.6
MSI
FEED PAPER
MCU AND HVPS PWB
PL15.1
CONTROL
LOGIC
+3.3VDC 1
2.7.7
MSI NO PAPER
SENSED SIGNAL
9
1 Imaginary Line