Canon iPF780 Series Service Manual page 103

Chapter 2
J103 (Printhead)
Pin Number
6 IO_ASIC_SDA
7 IO_ASIC_SCL
8 H3V_1
9 H1-C-DIA1
10 /H1-A-HE-1
11 VH1
12 VH1
13 VH1
14 VH2
15 VH2
16 H1-E-DATA-9-OD
17 /H1-F-HE-11
18 H1-E-DIA1
19 H1-D-DIA1
20 H3V_1
21 H3V_1
22 H1-B-DATA-3-EV
23 H1-A-DATA-0-EV
24 /H1-B-HE-2
25 VH1
26 VH1
27 H1-D-DIA2
28 /H1-E-HE-8
29 H1-E-DIA2
30 H1-F-DIA2
31 /H1-E-HE-9
32 H1-D-DATA-7-EV
33 /H1-D-HE-6
34 H1-C-DATA-5-OD
35 H1-C-DATA-4-EV
36 H1-A-DATA-1-EV
37 H1-A-DIA2
38 H1-B-DIA2
39 /H1-C-HE-4
40 H1-D-DATA-7-OD
41 H1-E-DATA-8-OD
42 /H1-F-HE-10
43 H1-F-DATA-11-EV
44 H1-E-DATA-8-EV
45 H1-D-DATA-6-EV
46 H1-C-DIA2
47 H1-C-DATA-5-EV
48 H1-B-DIA1
49 /H1-A-HE-0
50 H1-B-DATA-2-OD
51 H1-B-DATA-3-OD
52 H1-C-DATA-4-OD
53 GND
54 GND
55 GND
56 H1-F-DATA-11-OD
57 H1-E-DATA-9-EV
58 GND
59 H1-D-DATA-6-OD
60 /H1-C-HE-5
61 /H1-B-HE-3
62 H1-A-DIA1
63 H1-A-DATA-1-OD
64 GND
65 GND
66 GND
67 GND
68 H1-F-DATA-10-OD
69 H1-F-DIA1
70 /H1-D-HE-7
2-44
Signal name IN/OUT
IN/OUT
OUT
OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
IN
OUT
OUT
OUT
OUT
-
-
-
OUT
OUT
-
OUT
OUT
OUT
IN
OUT
-
-
-
-
OUT
IN
OUT
EEPROMcontrol signal (data)
EEPROMcontrol signal (clock)
Power supply (+3V)
Head DI sensor signal 1(C)
Head heat enable signal 8(E)
Power supply
Power supply
Power supply
Power supply
Power supply
Odd head data signal 9(E)
Head heat enable signal 11(F)
Head DI sensor signal 1(E)
Head DI sensor signal 1(D)
Power supply
Power supply
Even head data signal 3(B)
Even head data signal 0(A)
Head heat enable signal 2(B)
Power supply
Power supply
Head DI sensor signal 2(D)
Head heat enable signal 8(E)
Head DI sensor signal 2(E)
Head DI sensor signal 2(F)
Head heat enable signal 9(E)
Even head data signal 7(D)
Head heat enable signal 6(D)
Odd head data signal 5(C)
Even head data signal 4(C)
Even head data signal 1(A)
Head DI sensor signal 2(A)
Head DI sensor signal 2(B)
Head heat enable signal 4(C)
Odd head data signal 7(D)
Odd head data signal 8(E)
Head heat enable signal 10(F)
Even head data signal 11(F)
Even head data signal 8(F)
Even head data signal 6(D)
Head DI sensor signal 2(C)
Even head data signal 5(C)
Head DI sensor signal 1(B)
Head heat enable signal 0(A)
Odd head data signal 2(B)
Odd head data signal 3(B)
Odd head data signal 4(C)
GND
GND
GND
Odd head data signal 11(F)
Even head data signal 9(E)
GND
Odd head data signal 6(D)
Head heat enable signal 5(C)
Head heat enable signal 3(B)
Head DI sensor signal 1(A)
Odd head data signal 1(A)
GND
GND
GND
GND
Odd head data signal 10(F)
Head DI sensor signal 1(F)
Head heat enable signal 7(D)
Function