Mf4830D/Mf4820D - Canon imageCLASS MF4890dw Service Manual

■ MF4830d/MF4820d

10 9
F
Control Panel PCB
J403
+5R
GND
1 2
1
2
3
4
5
KI1
6 KI2
7
KI3
8
KI4
E
9
KI5
10 GND
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
D
26
KO6/LED407
27 XWR1
28
ESS_LED
29
ESS_KEY
30
W-LED
LCD
Reader
Motor
C
SADF Motor
(White-model only)
B
GND
DS Sensor
+3.3V
DES
GND
+3.3R
DES Sensor
SADF model only
A
10 9
8 7
VIN
MODE
GND
+3.3R
VREF
SP
CLK
+5.5R
LED_B
LED_G
LED_R
GND
+24V
+24V
+24V
GND
Main Controller PCB
GND
GND
+3.3V
Overvoltage detection
S_RST/
B0/ E_RST/
B0
SC
A0/
SCLK
A0
BDO/
GND
VDO2/
VDO2
GND
VDO1
VDO1/
GND
+5V
B0/
B0
A0/
A0
DS
J1104
SW PCA
8 7
6 5
TR_CABLE(100V)
TR_CABLE(120V)
TR_CABLE(230V)
HV
J304
CIS UNIT
Engine Controller PCB
Thermoswitch
GND
TEST
SO
SI
J501
GND
SWON
1 2
3 5
1 2
4 6
J104
1 3 J581
2 1
TAG_IN
TAG_OUT
1
2 INLET
3
6 5
4 3 2
Main Fan Unit
(DUPLEX model only)
Duplex Solenoid
1
DUPSOL Duplex Driver PCB
GND
+24P2
FANLOCK
J1101
FANON
1 2 3 4 5
5 4 3 2 1
GND
16
GND J1154
15
GND
14
GND
13
+24P2
12
+24P2
11
Encoder Sensor
+24P2
10
+24P2
9
+5R
8 1 2 3
FANON
7 MTRPWM
ACC J1152
6 +24P2
DEC
5 Motor Driver PCB
MTRPWM/
4
MFG
3
DUPSOL
2
J1153
FANLOCK
1 J1151
4 3 2 1
1 2 3 4
GND
J801
+5V J802
BDIR/ M
GND
1 2 3 4
VDO2/
Laser Scanner Motor
VDO2
GND
Laser
VDO1
Driver PCB
VDO1/
GND
CNT2
CNT1
CNT0
Laser Scanner Unit
+3.3V
Multi Pickup
GND
Sensor BIAS_PCA
MUL_SNS/
JP1201 JP1202
+24U
Pickup Solenoid
SL
2 Fixing Delivery Unit
TP
Fixing Heater
Thermistor
1
Fixing Delivery
/Paper Width Sensor PCB
Fixing Paper
+3.3U
1
POSNS/ Delivery Width
2 GND
PWSNS/
3 Sensor Sensor 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
4 3 2
9-5
1
2 3
F
E
Main Motor
D
C
B
A
1
P.2
F-9-2
9-5