Canon i550, Руководство по обслуживанию

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3 - 15
2.3.3 Print head
Figure 3-9 Print Head
Pin No. Signal Name Function
1, 2, 8 - 13
19, 20
3
4
5
6
7
14
15
16
17
18
21
22
23
24
25, 36
26
27
28
29
30
31 - 33, 39 - 42
48 - 50
34
35
37
38
43
44
45
46
47
GNDH
GNDH
DATAC
DATALC
DATALK
DATAY
DATALM
TSOCLC
BG
HDSEN
HCLK
DATAM
HELKX
HELCX
HECX
3.3V
GND
VSS- A
VDD- A
HEMX
HELMX
HEYX
VH
VH
3.3V
DHE
TSOLMC
TSOLMM
E_CS
E_SK
E_DI
E_DO
VHT Head GND
Head GND
CDATA
LCDATA
LKDATA
YDATA
LMDATA
C, LC status output
Transfer clock clutch signal
Head sensor signal
Head transfer clock
MDATA
LK heat enable
LC heat enable
C heat enable
Logic 3.3V
GND
M heat enable
LM heat enable
Y heat enable
16V head power supply
16V head power supply
Logic 3.3V
Dummy nozzle drive signal
LM, C status output
LM, M status output
Head EEPROM chip select
Head EEPROM clock signal
Head EEPROM data signal
Head EEPROM data signal
Short with VH on logic board
50
41
10
1