
9-4
9-4
Appendix > General Circuit Diagram
Appendix > General Circuit Diagram
General Circuit Diagram
■
MF4890dw/MF4880dw/MF4870dn
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.1
SL
M
SL
M
SL
M
M
M
XWR1
+24P2
+5R
+5V
2
5
4
3
1
1
3 4 5
2
GND
GND
GND
GND
2
5
4
3
J104
B0/
B0
A0/
A0
+3.3R
GND
DES
+3.3V
GND
DS
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
AO
AO/
BO
BO/
+3.3R
+5.5R
J801
+5V
+24V
DS
GND
+3.3V
DES
GND
+3.3R
DUPSOL
F
ANON
+24P2
GND
F
ANLOCK
TEL_RING
TEL_TIP
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
J1204
J602
1
3
1
2
J802
J1152
1
5
4
2
1
J1154
SP
GND
2
1
2
SL
1
1
2
3
4
5
1
3 4 5
2
J1151
GND
+5V
+5R
+24P2
1
16
J907
J906
Overvoltage detection
J908
JP1201
JP1202
FG900
B0/
B0
A0/
A0
+24V
ONOFF2
RING_CLK
ONOFF1
GND
J605
J1
1
J7
J5
J571
J542
J902
J562
J552
J551
J1153
J1
103
J1101
J701
J702
J403
J1309
J1305
+3.3V
MUL_SNS/
FSRTH
FANON
GND
DUPSOL
VIN
J304
TP
GND
+5R
J1
102
J101
J12
J8
2
1
J402
J901
J1202
LINE_RING
LINE_TIP
LINE_TIP
LINE_RING
MTRPWM
+24P2
Fixing Delivery Unit
SADF model only
DADF model only
LCD
Laser Scanner Unit
+5V
N.C
T
OR_SNS
GND
HV
+24V
GND
SO
SI
TEST
J911
WIFI RESET/
GND
N.C
+3.3V
SD DATA2
SD DATA0
SD CMD
MAC LINK LED
M_WAKEUP
GND
SD CLK
GND
H_WAKEUP
SD DATA3
+3.3V
SD DATA1
GND
J15
J2
J401
J6
J6
KI1
KI2
KI3
KI4
KI5
GND
+3.3R
RESET
A0P
CS1
SDATA
SCLK
+5.5R
GND
KO0/LED401
KO1/LED402
KO2/LED403
KO3/LED404
KO4/LED405
KO5/LED406
KO6/LED407
ESS_LED
ESS_KEY
GND
W-LED
TR_CABLE(120V)
TR_CABLE(230V)
TR_CABLE(100V)
J909
J905
J912
J501
J751
3
2
1
J1104
GND
SWON
VH_POWER
CI1/
CI2/
HOOK1/
HRL
GND
GND
GND
J601
J1201
J1
(100V DADF 4in1 WIFI only)
(FAX model only)
+24P2
2
1
1 2
2
1
3
2
1
1
2
3
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
1 2
2
1
1
2
3
1
2
3
1
2
3
4
5
4
1
3
6
2
5
1
2
2
1
22
14
12
25
23
21
19
17
15
13
1
1
10
9
8
7
6
5
4
3
2
1
16
18
20
26
24
24
26
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
23
25
12
14
22
1
4
3
2
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
12
14
14
12
17
15
13
1
1
10
9
8
7
6
5
4
3
2
1
16
20
18
16
1
2
3
4
5
6
7
8
9
10
1
1
13
15
17
19
21
12
14
1
2
3
4
1
2
3
4
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
1
2
3
4
1
2
3
4
3
2
1
2
1
3
2
1
2
1
1
2
3
4
5
6
6
5
4
3
2
1
2
1
1
2
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
1
2
3
4
5
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
1
2
3
4
5
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
3
2
1
4
3
2
1
1
2
3
4
1
2
1
2
2
3
4
1
3
2
1
2
1
(DUPLEX model only)
(for AUS)
(FAX model only)
(White-model only)
(White-model only)
(FAX 100V model only)
(FAX 100V model only)
Thermistor
Main Fan Unit
Duplex Solenoid
Toner
Sensor
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
Pseudo CI
PCB
FAX-NCU PCB
Speaker
SADF Motor
DADF Motor
DADF Solenoid
Reader
Motor
DS Sensor
DES Sensor
DS Sensor
DES Sensor
Fixing
Delivery
Sensor
Pickup Solenoid
Engine Controller PCB
Main Controller PCB
CIS UNIT
Control Panel PCB
SW PCA
5V DCDC
BIAS_PCA
Memory Tag
WiFi
module
F-9-1
Содержание imageCLASS MF4890dw
Страница 20: ...1 1 Product Overview Product Overview Product Lineups Features Product Specifications Name of Parts...
Страница 73: ...3 3 Periodical Services Periodical Services Periodically Replaced Parts Consumables Periodical Service Cleaning...
Страница 470: ...5 5 Adjustment Adjustment Mechanical Adjustment...
Страница 472: ...6 6 Troubleshooting Troubleshooting Test Print Troubleshooting Items Version Upgrade Log Collector...
Страница 480: ...7 7 Error Codes Error Codes Overview Error Codes...
Страница 484: ...8 8 Service Mode Service Mode Overview COPIER FEEDER FAX TESTMODE...
Страница 501: ...Service Tools Solvent Oil List General Circuit Diagram General Timing Chart Appendix...