Epson Stylus PHOTO 890 Service Manual page 167

EPSON Stylus PHOTO 890/1280/1290
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
Connector Summary
Table 7-4. Connector Pin Assignment - CN8
Pin Signal Name I/O
1 COM -
2 GND -
3 COM -
4 GND -
5 VHV -
6 GND -
7 SEL I
8 GND -
9 VDD -
10 LAT O
11 GND -
12 NCHG O
13 THM I
14 SI1 O
15 SI2 O
16 SI3 O
17 SP O
18 NC -
19 GND -
20 ENA I
21 VDD -
22 ENB I
23 GNB -
Revision C
Function
Head drive pulse
Ground
Head drive pulse
Ground
+42V power supply for nozzle
selector
Ground
Command Selection
Ground
+5V
Head data latch pulse output
Ground
Head NCHG
Thermistor detect signal
Head data
Head data
Head data
SP signal
-
Ground
CR encoder output A
+5V
CR encoder output B
Ground
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