General circuit diagram
Figure 2-4 Circuit diagram
SL
29
29
SL
23
M
TP
25
M MM
21
8
8
21
26
23
26
GND
GND
GND
GND
GND
(GY)
(SB)
(OR)
SGND
+3.3V
(GN)
(GN)
(GN)
(GN)
(GN)
(GN)
(GN)
+3.3VB
PGND
+24VA
VIN
VIN
VIN
(GY)
+3.3VB
+3.3VB
ITBLSNS
RD_PWM
SGND
+24VA
R_DIFA
R_PWM
SGND
+24VA
DHPSNS
LOOPSNS
REGSNS
CSTSNS
/SCNDEC
/SCNACC
/VDO10
CNT121
CNT120
/VDO2
VDO2
/VDO3
VDO3
/VDO4
VDO4
SGND
PGND
SGND
SGND
SGND
/MAINMACC
/MAINMDEC
/MAINMFG
RLD-
RD_DIFA
RD_REGA
RD_GAIN0
RD_GAIN1
LD4PWM
SGND
VDO10
LD1PWM
SGND
SGND
LD2PWM
SGND
/BDI
SGND
LD3PWM
CNT30
CNT31
FSRD+
FSRD-
Registration density
sensor
BLD1:J2321-J2322
DEV1:J2221-J2222
BLD2:J2341-J2342
DEV2:J2241-J2242
TR1_1 :J2401-J2402
TR1_4 :J2551-J2552
ICLB:J2701-J2702
ICLR:J2801-J2802
RS1 :J221-J222
RS2 :J241-J242
RS3 :J261-J262
RS4 :J281-J282
+3.3VB
/VDOEN
+3.3VB
+3.3VB
+3.3VB
FREQSNS
SGND
SGND
TEMPSNS
FDSNS
FPRSNS
ICLRSNS
ICLBSNS
TR1S
TR2S
TNR4
TNR3
TNR2
TNR1
DEVCLK
HVDALD
HVDACLK
HVDATA1
PGND
PGND
+24VA
+24VA
PWLSNS
DOPENR
+3.3VB
/CCRT
SC
SCLK
/TOP
SGND
/BD0
WAKEENG
WAKE VC
SGND
VDO4
/VDO4
SGND
VDO3
/VDO3
SGND
VDO2
/VDO2
SGND
VDO1
/VDO1
SGND
+3.3VB
+3.3VB
+3.3VB
+24VA
DEVSL
+24VA
FEEDSL
PGND
FEEDAOUT
/FEEDAOUT
FEEDBOUT
/FEEDBOUT
TR1_23:J2451-J2452
RLD+
RTC3V
CNT41
CNT40
FU LIVE
PR I : J2101- J210 2
TR2 :J2601-J2602
TAG
3rd
TAG TAG
2nd
TAG
4th 1st
DEV3:J2261-J2262
BLD3:J2361-J2362
Laser driver PCA
ITB assembly
Laser scanner assembly
(GY)
+3.3VB
SGND
(GY)
BLD4:J2381-J2382
DEV4 :J2281-J2282
SGND
TEMPSNS
Fuser sensor PCA
FANP WM
FANL K
PGND
FU NEUTRAL
(BK)
(W)
SGND
/HVRESET
Registration ITB-perimeter
sensor
VIN
VSS1
VSS2
VSS3
VSS4
DOPENF
SGND
(BL)
LIVE2
NEUTRAL2
(R)
+24VA
+24VA
PGND
/FSRMAOUT
FSRMAO UT
FSRMB OUT
/FSRMBOUT
+3.3VA
+3.3VA
SGND
SGND
PGND
PGND
+24VA
+24VA
FEEDI0B
FEEDI1B
FEEDI1A
FEEDI0A
FEEDPB
FEEDPA
FEEDSL
FSRMPB
FSRMI 1A
FSRMI 0A
FSRMI 0B
FSRMI 1B
/MAINMFG
/MAINMACC
/MAINMDEC
SGND
FANLK
REM24V
VCTRLOFF
PWSV
FDSNS
SGND
/PWRSWON
CPOUT
+3.3VB
SGND
SGND
PWLSNS
IOT
FLASH
/TESTPRT
TCK
P81
P80
MODE2
MODE0
IOTT
SGND
SGND
IOTR
+3.3VA
PWRSNS
MAINTH
SGND
Environment sensor PCA
Fuser power supply PCA
PWR_LED
+3.3VB
+3.3VA
LED-CLK
High-voltage power supply PCA
(W)
(R)
(W)
(R)
(W)
(R)
(W)
(R)
(BL)
(W)
(R)
(BL)
(W)
(R)
(GN)
(GN)
+24VA
(V)
(GY)
Driver PCA
+24VA
NEUTRAL1
LIVE1
/CPRESET
3.3V
GND
/INT
CPIN
5V
Control panel
CPCLK
SGND
DC controller PCA
Low-voltage
power supply PCA
Fuser
(V)
(GN)
+3.3V
+3.3V
(Y)
(SB)
(OR)
+3.3V
SGND
(Y)
(BR)
SGND
DEVSL
DCLK
GND
VSYNC
HSYNC
D0
D1
D2
D3
D4
D5
D6
D7
24V
5V
NIRQ
SCLK
CPIN
3.3V
NRESET
CPOUT
PGND
(W)
(BK)
(GY)
(OR)
(GN)
(GN)
(BL)
(BK)
(R)
(W)
(GN)
(BL)
connector
+24V
PGND
GND
Wireless
USB
SGND
Module
Formatter
Formatter
Control panel
Board to Board
(GR)
<MF model>
<LCD model>
FSRMPA
SGND
FAN_ON
J202_BUS[0:21]
J906_BUS[0:26]
J906
J901_BUS[0:23]
J901
MT1MT2
J905
J905_BUS[0:26]
123456
J9999
123456
J9998
J107_BUS[0:23]
12
J130
J408
J408_BUS[0:21]
J801_BUS[0:8]
J904
J115_BUS[0:25]
J1001_BUS[0:25]
1
J1001
234
1
J902B
3
1
2
J290
J334
J333
J332
J331
J335
J336
1110982345617
J103
345
6
12
J902
J903
J903_BUS[0:8]
12345678
J124
J311
J312
21
J401
J108_BUS[0:29]
4321
J109
J140
J802
J801
J803
12345
J131
12345
J104
SR608
J802H
SR611
123
J951
12
J802L
21
J802D
4321
J404
J1024
J1023
J1022
J1021
J151
J804
1
3
2
J202
J302
J301
982345617
J403
98 2345617
J701
M701
12
3
4
J810
J172
J1011
M702
1
2
TH802
11 10 9 8 2345617
J320
123456
J105
SR603 SR602
SR601
J163
J162
J161
J805
SW1
TAG1
J152
J153
SR606
21
12345678
J611
12
J406
M703
SR610
J115
1234567
J621
15 14 13 12 1110 9 8 2345617
J119
TB2A
12
TP1A
TB1A
21
J801A
J332B
J331B
J335B
J336B
321
FM1
1234
J703
123
J603
321
J602
M704
1234
J704
123456
J203
MMI2-6P
J107
SR609
21
H801A
18
14
231
J402
12
13
14
1
3
2
123456
J126
20
12
SL706
J501
123
J120
TAG4 TAG3 TAG2
S2
S1
J1012
98 2345617
J116
12345
J112 7
54321
J127
4321
J702
1234
J405
J108
21
SL705
S8
S7
23
22
21
20
19
18
17
16
15
14
12
11
10
9
8
7
6
5
3
2
1
4
23
22
21
20
19
18
17
16
15
13
12
11
10
9
8
7
6
5
3
2
1
4
S5
S6
S4
S3
654321
J112 6
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
3
2
1
4
4
1
2
3
5
6
7
8
9
10
11
13
15
16
17
18
19
20
21
22
23
24
25
25
24
23
22
21
20
19
17
16
15
14
13
12
11
10
9
8
7
6
5
3
2
4
21
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
J501_BUS[0:29]
231
J201A
S10
S9
SOLD90
SOLD93
J211
J212
12
J407
J171
4
1
2
3
5
6
7
8
4
1
2
3
5
6
7
8
SR607
1
3
2
20
21
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
COR1
SW801
Internal print-quality test pages
Interpret the Print Quality Page
1. On the product control panel, open the Reports menu.
2. Select the Print Quality Page item to print it.
This page contains five bands of color, which are divided into four groups as indicated in the following
illustration. By examining each group, you can isolate the problem to a particular print cartridge.
Section Print-cartridge
1Yellow
2Cyan
44 Chapter 2 Solve problems ENWW
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