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EPSON Stylus PHOTO 890/1290
Table 7-2. Connector Pin Assignment - CN5
Pin
Signal Name
1
PE
2
GND
3
PEV
Table 7-3. Connector Pin Assignment - CN6
Pin
Signal Name
1
ASF
2
GND
3
ASFV
APPENDIX
I/O
Function
I
PE signal
−
GND
−
+5V
I/O
Function
I
ASF HP detection
-
GND
-
+5V
Table 7-4. Connector Pin Assignment - CN8
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Connector Summary
Signal Name
I/O
COM
-
Head drive pulse
GND
-
Ground
COM
-
Head drive pulse
GND
-
Ground
+42V power supply for nozzle
VHV
-
selector
GND
-
Ground
SEL
I
Command Selection
GND
-
Ground
VDD
-
+5V
LAT
O
Head data latch pulse output
GND
-
Ground
NCHG
O
Head NCHG
THM
I
Thermistor detect signal
SI1
O
Head data
SI2
O
Head data
SI3
O
Head data
SP
O
SP signal
NC
-
-
GND
-
Ground
ENA
I
CR encoder output A
VDD
-
+5V
ENB
I
CR encoder output B
GNB
-
Ground
Revision B
Function
169
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