Canon imageCLASS MF4890dw, Service Manual, Page: 510 / 511

9-10
9-10
Appendix > General Circuit Diagram Appendix > General Circuit Diagram
■ D530
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
F
E
D
C
B
A
F
E
D
C
B
A
P.7
SL
M
SL
M
J104
2
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
J3
CLK
SP
VREF
LED_B
LED_G
LED_R
GND
+24V
+24V
GND
GND
GND
+3.3V
SC
SCLK
GND
VDO2
GND
VDO1
GND
FSRTH
GND
GND
VDO2
GND
VDO1
GND
CNT2
CNT1
CNT0
MFG
DUPSOL
FANLOCK
GND
ACC
FANON
DEC
+5R
+24P2
+24P2
+24P2
+24P2
GND
GND
GND
+3.3R
+5.5R
J801
+5V
DUPSOL F
ANON
+24P2 GND F
ANLOCK
S_RST/
E_RST/
BDO/
VDO2/
VDO1/
BDIR/
VDO2/
VDO1/
GND
PWSNS/
POSNS/
+3.3U
PISNS/
GND
+3.3U
TAG_OUT
FANLOCK
MTRPWM/
TAG_IN
GND DEC ACC +24P2
J581
3
7
8
9
10
11
12
13
14
15
2
3
4
5
1
6
1
2
GND
+5V
28
29
30
GND
MODE
+24U
SL
1 3
1
2
J802
J1152
1
5 4 2 1
J1154
2
1
2
1
1
2
3
4
5
J1151
GND
16
JP1201 JP1202
J1
1
J7
J5
J571
J542 J902
J562
J552
J551
J1153
J1
103
J1101
J701 J702
J403
+3.3V
MUL_SNS/
FSRTH
FANON
GND
DUPSOL
VIN
J304
TP
GND
+5R
J1
102
J101
J12
J8
2 1
J402
MTRPWM
+24P2
HV
+24V
GND
SO
SI
TEST
J401
J6
KI2
KI3
KI4
RESET
A0P
CS1
TR_CABLE(120V)
TR_CABLE(230V)
TR_CABLE(100V)
J905
J501
J751
3
2
1
BLUE
RED
GND
SWON
J15
KI5
KI6
KO7
KO6
KI1
KI0
GND
+3.3R
SCLK
SDATA
N.C
N.C
+5.5R
GND
KO0/LED401
KO1/LED402
KO2/LED403
KO3/LED404
KO4
KO5
XWR1
ESS_LED
ESS_KEY
ONE_TOUCH
J912
+24P2
22
14
12
29
27
25
23
21
19
17
15
13
1
1
10
9
8
7
6
5
4
3
2
1
16
18
20
26
28
30
24
24
30
28
26
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
23
25
27
29
12
14
22
2
1
1
2
3
1
2
3
1
2
3
4
5
4
1
3
6
2
5
1
2
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
12
14
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
12
14
12
1
1
10
9
8
7
6
5
4
3
2
1
3
2
1
2
1
3 2 1
3 2 1
1 2 3 4 5
2
3
1
1
2
3
1
2
1
2
1
2
3
2
1
1 2 3
24
30
28
26
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
23
25
27
29
12
14
22
3 2 1
1
2
3
4
5
6
7
8
9
10
1
1
13
12
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
12
14
1
2
1 2 3 4
1 2 3 4
1 2 3 4
1
2
3
4
5
6
7
8
9
10
1
1
13
12
1
2
1
2
1 2
1
2
3
4
5
6
7
8
9
10
1
1
12
3 2 1
LCD
Overvoltage detection
Fixing Delivery Unit
Laser Scanner Unit
(DUPLEX model only)
Thermistor
BIAS_PCA
BIAS_PWB
SW PCA
Main Fan Unit
Duplex Solenoid
Duplex Driver PCB
Motor Driver PCB
Laser Scanner Motor
Main Motor
Encoder Sensor
Laser
Driver PCB
Fixing Delivery
/Paper Width Sensor PCB
Fixing Heater
Thermoswitch
Thermistor
Paper Leading Edge Sensor
INLET
Paper
Width
Sensor
Multi Pickup
Sensor
Fixing
Delivery
Sensor
Pickup Solenoid
Engine Controller PCB
Main Controller PCB
CIS UNIT
Control Panel PCB
Memory Tag
F-9-7