L418S/L410/L190 - Canon imageCLASS MF4890dw Service Manual

■ L418S/L410/L190

10 9
Control Panel PCB
J403
+5R
GND
F
1 2
KI6
1
KO7
2
KO6
3
KI0
4
KI1
5
KI2
6
KI3
7
KI4
8
KI5
9
GND
10
+3.3R
11
RESET
12
A0P
13
CS1
14
N.C
15
E N.C
16
SDATA
17
SCLK
18
+5.5R
19
GND
20
KO0/LED401
21
KO1/LED402
22
KO2/LED403
23
KO3/LED404
24
KO4
25
KO5
26
XWR1
27
ESS_LED
28
ESS_KEY
29
ONE_TOUCH
30
D
LCD Reader
Motor
DADF Solenoid
BO/
BO
DADF Motor
AO/
AO
C
DS
GND
DS Sensor
+3.3V
DES
GND
+3.3R
DES Sensor
B
Speaker
A
10 9
8 7
VIN
MODE
GND
+3.3R
VREF
SP
CIS UNIT
CLK
+5.5R
LED_B
LED_G
LED_R
GND
+24V
+24V
+24V
GND
GND
GND
+3.3V
Overvoltage detection
S_RST/
B0/ E_RST/
SC
B0
SCLK
A0/
A0 BDO/
GND
VDO2/
VDO2
Main Controller PCB
GND
SL VDO1
+24V VDO1/
GND
+5V
GND
ONOFF1
RING_CLK
ONOFF2
+24V
GND
J601 J602
2
SP
1
1 2
8 6 4 2
1 2
7 5 3 1
(for AUS,EU)
1 3 5 7
1 2
2 4 6 8
1 2
J1204
J1201
TEL_RING
TEL_TIP
FAX-NCU PCB
(FAX 100V model only)
(FAX model only)
FG900
(FAX 100V model only)
8 7
6 5
(FAX model only)
Toner TR_CABLE(100V)
Sensor
TR_CABLE(120V)
TR_CABLE(230V)
4 3 2 1
HV
J304
Engine Controller PCB
GND
TEST
SO
SI
J501
GND BLUE
SWON
RED
Pseudo CI
PCB
3 5
1 2
4 6
SW PCA
J104
1 3 J581
J911
2 1
TAG_IN
TAG_OUT
1
2 INLET
3
6 5
4 3 2
Main Fan Unit
(DUPLEX model only)
1
Duplex Driver PCB
DUPSOL
Duplex Solenoid
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
Encoder Sensor
+24P2
11
+24P2
10
+24P2
9
+5R
8 1 2 3
FANON
7 MTRPWM
ACC J1152
Motor Driver PCB
6
+24P2
DEC
5
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
Laser Scanner Motor
VDO2/
VDO2
GND
Laser
VDO1
Driver PCB
VDO1/
GND
CNT2
CNT1
CNT0
Laser Scanner Unit
BIAS_PCA
BIAS_PWB
+24U
JP1201 JP1202
Pickup Solenoid
SL
Fixing Delivery Unit
2
Thermoswitch
TP
Fixing Heater
Thermistor
Fixing Delivery
/Paper Width Sensor PCB
Fixing
Paper
+3.3U
1
POSNS/ Delivery
Width
2 GND
PWSNS/
Sensor FSRTH
3 Sensor
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
9-9
1
2 3
F
E
Main Motor
D
C
B
A
1
P.6
F-9-6
9-9