Service manual

VI-38
ABCDEFGHJ
1 2 3 4 5 6
DOUBLE
PLUG
DOUBLE
PLUG
COOLING FANS
LVPS(100/120V) (230V) PL12.1
MCU HL-4200
MCU HL-4200
PL12.1
PL12.1
+3.3VDC
LVPS(100/120V)(230V) PL12.1
CONTROL LOGIC
2.9.3 FAN CONTROL
J12
1
30
PWBA HBN DRV PL12.1
FAN CONTROL
J42
30
1
VIO VIO VIO VIO
J50
7
+24VDC
SWITCHED
9
DC COM
(2.1.1)
J137
3
P137
1
YEL YEL
FAN FUSER PL1.1
1 3
YEL YEL
P137
2
J137
2
MOT
PWBA HBN DRV PL12.1
J50
8
J42
27
YEL YEL
J12
4
VIO VIO
FUSER FAN ON(H) +24VDC
FUSER FAN STOP
FUSER FAN FAIL (H) +3.3VDC
FUSER FAN LOW
+3.3VDC
18 19
FAN CONTROL
13 12
VIO VIO VIO VIO
J166
1 3
FAN REAR PL12.1
J166
2
J165
7
MOT
J61
3 29
YEL YEL
2
VIO VIO
REAR FAN
ON(H) +24VDC
REAR FAN LOW
REAR FAN FAIL (H) +3.3VDC
REAR FAN STOP
J61
2 4
J165
8 6
YEL YEL YEL YEL
HEAT AIR
2.9.1
EXHAUST AIR
CONTROL LOGIC
DO-16
FUSER FAN ON (HIGH SPEED)
DO-17
(LOW SPEED)
DO-13 DO-14
DI-31
DI-30
2.9.6
FUSER FAN FAIL SIGNAL
2.9.6
REAR FAN FAIL SIGNAL
1 1
Virtual Line
1
ZN F5
ZN E1
COOLING AIR
DC COM
(2.1.1)
+24VDC
(2.1.1)
DO-18
FUSER FAN OFF
REAR FAN ON (HIGH SPEED) (LOW SPEED)
DO-15
REAR FAN OFF
2.9 Fusing and Transportation