Brother HL-4000CN Service Manual page 308

A B
2.4.1 Main drive control
1
MCU AND HVPS PWB
PL15.1
CONTROL
J11 J41 34
7
LOGIC
YEL CLOCK B YEL
8
CLOCK XB
YEL YEL
9
CLOCK A
2 YEL YEL
10
YEL CLOCK XA YEL
11
D/A MAIN MOTOR
YEL
YEL
3
4
5
6
C D
MAIN DRIVE ASSY
DRIVE PWB DO-0
PL14.1
(NORMAL SPEED)
PL15.1
DO-1
(HALF SPEED)
MOTOR J48
CLOCK A
3
DRIVE
DC COM
33
CLOCK B
4
32
DC COM
CLOCK XA
5
31
DC COM
CLOCK XB
30
6
DC COM
1
2
+24VDC
SWITCHED
(CH1.1)
DRIVE MECHANISM
VI-11
E F G
MOT
H J
2.8.7
IDT2 DRIVE
REGI
2.7.6
ROLL DRIVE
MSI
2.7.2
FEED DRIVE
MSI TRANSPORT
2.7.2
ROLL DRIVE
TRAY1
2.7.1
FEED DRIVE
2.4 Start Print Power