Chapter 2
2-45
T-2-23
T-2-24
T-2-25
71
GND
-
GND
72
H1_CLK
OUT
Head data clock signal
73
/H1_LT
OUT
Head data latch signal
74
H1-B-DATA-2-EV
OUT
Even head data signal 2(B)
75
H1-A-DATA-0-OD
OUT
Odd head data signal 0(A)
76
GND
-
GND
77
GND
-
GND
78
GND
-
GND
J201 (Connect to Carriage PCB J3401)
Pin Number
Signal name
IN/OUT
Function
1
VHGND
-
GND
2
VHGND
-
GND
3
VHGND
-
GND
4
VHGND
-
GND
5
VH
IN
Power supply (+21.5V)
6
VH
IN
Power supply (+21.5V)
7
VH
IN
Power supply (+21.5V)
8
VH
IN
Power supply (+21.5V)
9
VH
IN
Power supply (+21.5V)
10
VH
IN
Power supply (+21.5V)
11
VH
IN
Power supply (+21.5V)
12
VH
IN
Power supply (+21.5V)
13
+24V_HV_SW
IN
Power supply (+24V)
14
SNS5V
IN
Power supply (+5V)
15
GND
-
GND
16
+3.3V_H1
IN
Power supply (+3.3V)
17
+3.3V_H1
IN
Power supply (+3.3V)
18
VH_SW1_ON
IN
VH control signal
19
21V_H1_VHT
IN
Power supply (+21V)
20
+5V_VM_IC
IN
Power supply (+5V)
21
GND
-
GND
22
VHGND
-
GND
23
VHGND
-
GND
24
VHGND
-
GND
25
VHGND
-
GND
J202 (Linear encoder sensor)
Pin Number
Signal name
IN/OUT
Function
1
ENCODER_B
IN
Carriage encoder output signal B
2
GND
-
GND
3
ENCODER_A
IN
Carriage encoder output signal A
4
SNS5V
OUT
Power supply (+5V)
J501 (Multi sensor)
Pin Number
Signal name
IN/OUT
Function
1
SNS3.3V
OUT
Power supply (+3.3V)
2
GND
-
GND
3
IO-ASIC_SCL
IN/OUT
Head ROM control signal (clock)
4
IO-ASIC_SDA
IN/OUT
Head ROM control signal (data)
5
GAP_SNS1
IN
Multi sensor head height (GAP) detection signal 1
6
GAP_SNS2
IN
Multi sensor head height (GAP) detection signal 2
7
COLOR_SNS
IN
Multi sensor density detection signal
8
EDGE_SNS
IN
Multi sensor paper edge detection signal
9
GND
-
GND
10
SNS5V
OUT
Power supply (+5V)
11
THERMISTOR
-
N.C
12
GND
-
GND
J103 (Printhead)
Pin Number
Signal name
IN/OUT
Function
Summary of Contents for image Prograf iPF780 Series
Page 1: ...Mar 27 2014 Service Manual iPF780 760 750 series iPF785...
Page 9: ...Chapter 1 PRODUCT DESCRIPTION...
Page 57: ...Chapter 2 TECHNICAL REFERENCE...
Page 117: ...Chapter 3 INSTALLATION...
Page 125: ...Chapter 4 DISASSEMBLY REASSEMBLY...
Page 175: ...Chapter 4 4 49 2 Shaft Cleaner 1 F 4 97 1 1...
Page 176: ...Chapter 4 4 50 3 Upper Cover Hinge Catch 1 Roll Cover Slide Guide 2 F 4 98 2 1...
Page 179: ...Chapter 5 MAINTENANCE...
Page 186: ...Chapter 6 TROUBLESHOOTING...
Page 212: ...Chapter 7 SERVICE MODE...
Page 267: ...Mar 19 2014 PARTS CATALOG iPF786 785 781 780 765 760 755 750...
Page 301: ...2 25 FIGURE 10 PLATEN GUIDE UNIT 1 3 6 2 8 4 5 10 10 10 9 9 11...
Page 326: ......
