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EPSON Stylus PHOTO 810/820/830 Revision B
Appendix Connector Summary 138
* Pin No.1/3 is different between Stylus Photo 810/820and Stylus Photo 820/830.
- Stylus Photo 810/820 : GND
- Stylus Photo 820/830 : GND2
Table 7-8. CN9 - Printhead (Stylus Photo 810/820/830)
Pin Signal Name I/O Function
1 SP Out Select signal for CH signal
2 SI1 Out Print data output (1)
3 SI2 Out Print data output (2)
4 SI3 Out Print data output (3)
5 SI4 Out Print data output (4)
6 SI5 Out Print data output (5)
7 SI6 Out Print data output (6)
8 GND --- Ground
9CHOut
Waveform selection signal for MS shot &
Variable shot
10 GND --- Ground
11 SCK Out Serial Clock
12 GND --- Ground
13 COM --- Head drive pulse (
trapezoid waveform)
14 GND (GND2)* --- Ground
15 COM --- Head drive pulse (
trapezoid waveform)
Table 7-9. CN12 - CR Motor (Stylus Photo 810/820/830)
Pin Signal Name I/O Function
1 CRA Out Phase drive signal (A)
2 CRB Out Phase drive signal (-A)
3 CR-A Out Phase drive signal (B)
4 CR-B Out Phase drive signal (-B)