Mf4730 - Canon imageCLASS MF4890dw Service Manual

■ MF4730

10 9
F Control Panel PCB
J403
+5R
GND
1 2
1
2
3
4
5
6
7
8
9
10 GND
E
11
+3.3R
12
RESET
13
A0P
14 CS1
15
SDATA
16
SCLK
17 GND
18
+5.5R
19
GND
20
KO0/LED401
21 KO1/LED402
22
KO2/LED403
23
KO3/LED404
24 KO4/LED405
25
KO5/LED406
26
KO6/LED407
D 27
XWR1
28 ESS_LED
29
ESS_KEY
30
W-LED
LCD
Reader
Motor
C
SADF Motor
B
DS Sensor
+3.3V
+3.3R
DES Sensor
SADF model only
A
10 9
8 7
KI1
VIN
KI2 MODE
KI3
GND
KI4
+3.3R
KI5
VREF
SP
CLK
+5.5R
LED_B
LED_G
LED_R
GND
+24V
+24V
+24V
Main Controller PCB
GND
GND
GND
+3.3V
Overvoltage detection
S_RST/
E_RST/
SC
SCLK
BDO/
GND
B0/
VDO2/
B0
VDO2
A0/
GND
A0
VDO1
VDO1/
GND
+5V
B0/
B0
A0/
A0
DS
GND
DES
GND
8 7
6 5 4
TR_CABLE(100V)
TR_CABLE(120V)
TR_CABLE(230V)
HV
J304
CIS UNIT
Engine Controller PCB
FM0-4121
MUL_SNS/
GND
TEST
SO
SI
Thermoswitch
J501
GND
SWON
PWSNS/
1 2
3 5
J1104
1 2
4 6
SW PCA
J104
1 3 J581
2 1
TAG_IN
TAG_OUT
1
INLET
2
3
6 5 4
3 2
GND
16
GND
15
GND
14
GND
13
+24P2
12
+24P2
11 Encoder Sensor
+24P2
10
+24P2
9
+5R
8
1 2 3
FANON
7
MTRPWM
J1152
ACC
6 +24P2
DEC
Motor Driver PCB
5
MTRPWM/
4
MFG
3
DUPSOL
2
J1153
FANLOCK
1 J1151
4 3 2 1
1 2 3 4
GND
J801
+5V
J802
M
BDIR/
GND
1 2 3 4
VDO2/
Laser Scanner Motor
VDO2
GND
Laser
VDO1
VDO1/ Driver PCB
GND
CNT2
CNT1
CNT0
Laser Scanner Unit
+3.3V
Multi Pickup
GND BIAS_PCA
Sensor
BIAS_PWB
JP1201 JP1202
+24U
Pickup Solenoid
SL
Fixing Delivery Unit
2
TP
Thermistor
Fixing Heater
1
Fixing Delivery
/Paper Width Sensor PCB
Fixing Paper
+3.3U
1
Delivery Width
POSNS/
GND
2
Sensor Sensor
3 FSRTH
GND
4
FSRTH
5 Thermistor
1 2 3 1 2 3
Paper Leading Edge Sensor
+3.3U
3
PISNS/
2
GND
1
1 2 3
Memory Tag
J3
1
2
3 2
9-7
1
F
E
Main Motor
D
C
B
A
1
P.4
F-9-4
9-7