Epson Stylus COLOR 880 Service Manual page 154

EPSON Stylus COLOR 880
Table 7-3. Connector CN6
Pin Signal Name I/O
1 ASF In
2 GND ---
3 ASFV ---
Table 7-4. Connector CN7
Pin Signal Name I/O
1 ASFA Out
2 ASFB Out
3 ASF-A Out
4 ASF-B Out
Table 7-5. Connector CN8
Pin Signal Name I/O
1 GND ---
2 ENB In
3 VDD ---
4 ENA In
5 GND ---
6 GND ---
7 LAT Out
8 GND ---
9 CH Out
10 GND ---
11 VDD ---
12 GND ---
Appendix
Function
Sensor detect signal
Ground
Sensor power supply (+5V)
Function
Control signal for A phase
Control signal for B phase
Control signal for -A phase
Control signal for -B phase
Function
Ground
CF Encoder B phase
Logic power supply (+5V)
CF Encoder A phase
Ground
Ground
Head data latch pulse output
Ground
Waveform selection signal for MS shot &
Variable shot
Ground
Logic power supply (+5V)
Ground
Connector Summary
Table 7-5. Connector CN8 (continued)
Pin Signal Name I/O
13 VHV ---
14 GND2 ---
15 GND2 ---
16 GND2 ---
17 GND2 ---
18 COM ---
19 COM ---
20 COM ---
21 COM ---
Table 7-6. Connector CN9
Pin Signal Name I/O
1 GND ---
2 GND ---
3 NCHC Out
4 GND ---
5 GND ---
6 SCK Out
7 SP Out
8 SI6 Out
9 SI5 Out
10 SI4 Out
11 SI3 Out
12 SI2 Out
13 SI1 Out
Revision A
Function
+42V power supply for Nozzle Selector
Ground
Ground
Ground
Ground
Head drive pulse (trapezoid waveform)
Head drive pulse (trapezoid waveform)
Head drive pulse (trapezoid waveform)
Head drive pulse (trapezoid waveform)
Function
Ground
Ground
All nozzle fire selection signal
Ground
Ground
Serial clock
Select signal for CH signal
Print data output (6)
Print data output (5)
Print data output (4)
Print data output (3)
Print data output (2)
Print data output (1)
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