User Guide
Circuit diagrams
Figure 2-38 General circuit diagram (1 of 2)
6 5 4
M
SL
2323
MM
M
17
7
23
23
SL
21
M
M
SL
+5VA
PREEXP2
+5VA
PREEXP3
+5VA
PREEXP4
+5VA
PGND
SGND
SGND
SGND
SGND
PREEXP2
+5VA
PREEXP3
+5VA
PREEXP1
PREEXP4
DUPSL
DUPMPHA
DUPMI0A
DUPMI1A
DUPMI1B
DUPMI0B
DUPMPHB
2TRNCNT
2TRCNT
2TRS
HVTCLK
1TR2S
1TR1S
HVDACLK
HVDALD
SGND
PGND
FAN1LK
SGND
PGND
C/K laser ass’y
Scanner ass’y
SGND
I2CSDA
WTSSNS
SGND
SGND
SGND
SGND
VSS1
VSS2
VSS3
Duplex ass’y
YMCK
MC K
LD2CTRL2
LD2CTRL1
/VDO22
/VDO21
VDO22
VDO21
/BD2I
LD2CTRL0
LD2PDOUT
LD1PDOUT
SGND
/VDO120
VDO120
LD1CTRL2
LD1CTRL1
LD1CTRL0
/VDO110
VDO110
/VDO42
VDO42
LD4CTRL2
LD4CTRL1
LD4CTRL0
/VDO41
VDO41
/BD4I
LD4PDOUT
LD3PDOUT
/VDO32
VDO32
LD3CTRL2
LD3CTRL1
LD3CTRL0
/VDO31
500-sheet PF
DEVHP
HVTCLK
/SCN4ACC
/SCN4DEC
/HVRESET
DUPMIDWN
+24VB
HVDALD
HVDACLK
HVDATA1
DEV1CNT
DEV2CNT
DEV3CNT
PAPOUT
/SCN2ACC
/SCN2DEC
PGND
+24VA
+24VA
DEV4CNT
DEVMPHB
DEVMIOB
DEVMIOA
DEVMPHA
FAN2D
FAN2LK
FAN3D
VSS4
VIN1
VIN2
VIN3
VIN4
FAN1D
SGND
1TR1:JP801-JP802
1TR2:JP826-JP827
1TR3:JP851-JP852
FAN3LK
1TR4:JP876-JP877
PRI1:JP201-JP202
PRI2:JP226-JP227
PRI4:JP276-JP277
PRI3:JP251-JP252
BL1 :JP301-JP302
BL2 :JP326-JP327
BL3 :JP351-JP352
BL4 :JP376-JP377
RS1 :JP401-JP402
RS2 :JP426-JP427
RS3 :JP451-JP452
RS4 :JP476-JP477
DEV1:JP501-JP502
DEV2:JP526-JP527
DEV3:JP551-JP552
DEV4:JP576-JP577
+5VA
1TR4S
1TR3S
PGND
+24VB
PGND
+24VB
PGND
PGND
FAN2LK
FAN3 D
FAN3LK
HVDATA2
I2CSCK
/HVRESET
WTMON
WTMSNS
HVT-D
INPOPIN
PGND
INPOPOT
INPOPCLK
INPOPTMG
+24VA
+5VA
DEVMOUT0B
DEVMOUT1B
DEVMOUT0A
DEVMOUT1A
FEEDMOUT0A
FEEDMOUT1A
FEEDMOUT0B
FEEDMOUT1B
RTSNS1
RTSNS2
RTSNS3
RTSNS4
Toner collection
box full sensor
Y
M
C
K
E-label (Y)
FAN2 D
SGND
SGND
1TRHP
24VAFU2
1TRSL
Y
Toner level sensor
2TRCLK
DUP_SL
+24VB
DUPMPHAD
DUPMPHAND
DUPMPHBD
DUPMPHBND
HVT-T
2TR :T901
SGND
SGND
+3.3VC
CHK24VB
+24VB
PGND
SGND
+3.3VC
PREEXP1
+3.3VA
+3.3VC
+3.3VC
SGND
PAPFULL
+3.3VC
FSPRS
+3.3VA
CSTLUPS
CSTPEND
SGND
+3.3VC
+3.3VC
SGND
CSTSNS
SGND
+3.3VC
24VAFU2
CSTSL
PWRSWON
/SWLED
LUPMOUT2B
+5VDFU1
+5VDFU1
+5VDFU1
+5VDFU1
VDO31
TONLED1
TONLED2
TONLED3
TONLED4
LUPMOUT1B
Tray pickup
drive ass’y
Lifter drive
ass’y
WTLED
21
J89L
J89LH
21
J89D
123
J79D
J82DH
1234
J6
321
J71D
J76LH
J74H
J73H
321
J73D
321
J73L
123
J96D
J96LH
321
J96L
J72H
123
J72D
J71H
123456
J76L
12345678
J92D
J92DH
12345678
J92L
J80DH
321
J80D
321
J80L
123456
J76D
123
J780
1234
J113
1234
J201
21
SL4
12
J142
11 10 9 8 2345617
J140
123
J79L
J79LH
12
J83L
J83DH
21
J83D
321
J82L
123
J5
SR20
M12
123
J82D
M13
SR13
321
J3
123
J4
11 10 9 8 23457
J112
123
J95D
123
J95L
J95LH
98 2345617
J123
J116
123456
J202
12
J21D
J21DH
12
J21L
FM1
SR9
87654321
J126
4321
J131
123
J74D
123
J71L
12345
J75D
98 2345617
J97D
123
J74L
J98LH
1234
J2
4321
J98L
1234
J108
4321
J98D
716543289
J97L
J97DH
123
J70D
123
J91L
54321
J75L
17 16 15 14 13 12 11 10 9 8 2345617
J77L
J91DH
7165432891011
J88L
12
SL1
LED5
123
J16
13 12 11 10 9 8 2345617
J127
J87DH
J88DH
11 10 9 8 2345617
J88D
12
J87D
J70LH
321
J1
321
J46
J75DH
321
J91D
J77LH
123
J70L
J57LH
J26DH
321
J26D
J27DH
123
J27D
321
J27L
123
J26L
FM2
654321
J262
321
J72L
J200
J250
LED4
7165432891011121314151617
J77D
17 16 15 14 13 12 11 10 9 8 2345617
J137
J58LH
1234
J58L
J111
J110
4321
J58D
1234
J57D
18 17 16 15 14 13 12 11 10 9 8 2345617
J106
1234
J20
J114
1234
J138
21
SW4
SR7
LED2LED1
J55DA
SR11
SR6 SR5
21
J87L
SR17
LED7LED6 LED8
FM3
M10
LED3
M8
M9
J503 J501
123
J119
321
J47
123
J48
21
SL2
M11
1234
J261
4321
J57L
4321
J56
1234
J55
4321
J25
17
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
3
2
4
1
4
1
2
3
5
6
7
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
4
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
4321
J251
E-label (M)
E-label (C)
E-label (K)
Environment
sensor
Y/M laser ass’y
M
M7
3
J78D
J78L
J78LH
21
12
ENWW
Tools for troubleshooting
145