5-8
Service Manual
7526
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JHVPS1
High-voltage power supply
1
Ground
2
+25VD
3
C-DEVPWM
4
M-DEVPWM
5
Y-DEVPWM
6
K-DEVPWM
7
Ground
8
+5V_SW
9
TONER_C
10
TONER_M
11
TONER_Y
12
TONER_K
13
GD_HV_CHRG_PWM
14
V_SNS
15
GD_HV_XFR_PWM_C
16
C_SRVO_OUT
17
GD_HV_XFR_PWM_M
18
M_SRVO_OUT
19
GD_HV_XFR_PWM_Y
20
Y_SRVO_OUT
21
PC_SNS
22
+5V_HVPS
23
GD_HV_XFR_PWM_K
24
K_SRVO_OUT
25
XFER_BOOST
26
GD_HVPS_ID
JINT1
Interlock switch (5v)
1
VS24_JINT
2
Ground
3
VS24_INT
JLVPS1
Low-voltage power supply
1
+24V_AIO
2
+24V_AIO
3
+5V_AIO
4
+5_AIO
5
Ground
6
Ground
JLVPS2
Low-voltage power supply
1
+5 V dc
2
+5 V dc
3
+5 V dc
4
GD_LVPS_0X
5
+25 V dc
6
+25 V dc
7
Ground
8
Ground
9
Ground
10
Ground
11
V15_LVPS_FSR_RLY
12
GD_LVPS_HRON
JMIRR1
Mirror motor
1
MM_REFR
2
TG_MM_LOCK
3
TG_MM_START
4
Ground
5
+25VC
JOPP1
Operator panel (12C)
1
I2C_DATA
2
V15V
3
I2C_CLK
4
Ground
5
TG_OP_IRQ-
6
+3.3 V dc
7
Ground
System board listing (continued)
See
“System board” on page 5-2
.
Connector
Pin #
Signal
Pin #
Signal
Summary of Contents for X734DE
Page 10: ...x Service Manual 7526 Go Back Previous Next...
Page 15: ...Notices and safety information xv 7526 Go Back Previous Next...
Page 16: ...xvi Service Manual 7526 Go Back Previous Next...
Page 22: ...xxii Service Manual 7526 Go Back Previous Next...
Page 254: ...3 58 Service Manual 7526 Go Back Previous Next Printer base...
Page 266: ...3 70 Service Manual 7526 Go Back Previous Next...
Page 324: ...4 58 Service Manual 7526 Go Back Previous Next 6 Grasp the auger shaft C and remove it C...
Page 482: ...4 216 Service Manual 7526 Go Back Previous Next 9 Remove the two screws G G 18B1236...
Page 495: ...Repair information 4 229 7526 Go Back Previous Next 5 Lift the cover from the ADF...
Page 572: ...5 2 Service Manual 7526 Go Back Previous Next Connectors System board...
Page 582: ...5 12 Service Manual 7526 Go Back Previous Next...
Page 588: ...6 6 Service Manual 7526 Go Back Previous Next...
Page 594: ...7 6 Service Manual 7526 Go Back Previous Next Assembly 3 Right 1 2 3 4 5 6...
Page 596: ...7 8 Service Manual 7526 Go Back Previous Next Assembly 4 Rear...
Page 604: ...7 16 Service Manual 7526 Go Back Previous Next Assembly 9 Automatic document feeder ADF...
Page 606: ...7 18 Service Manual 7526 Go Back Previous Next Assembly 10 Flatbed scanner...
Page 612: ...7 24 Service Manual 7526 Go Back Previous Next Assembly 14 Options and features...
Page 614: ...7 26 Service Manual 7526 Go Back Previous Next...
Page 622: ...I 8 Service Manual 7526 Go Back Previous Next...
Page 626: ...I 12 Service Manual 7526 Go Back Previous Next...