EPSON Stylus PHOTO 810/820/830

Revision B

Table 7-4. CN4 - HP/PE Sensor (Stylus Photo 810/820)

Pin

Signal Name

I/O

Function

 

 

 

 

1

HPPE

In

Sensor detect signal

 

 

 

 

2

GND

---

Ground

 

 

 

 

3

HPPEV

---

Sensor Power Supply

 

 

 

 

Table 7-5. CN4 - HP/PE sensor (Stylus Photo 820/830)

Pin

Signal name

I/O

Function

 

 

 

 

1

HP

In/Out

Sensor detection signal

 

 

 

 

2

GND

---

Ground

 

 

 

 

3

SENV

---

Sensor power supply

 

 

 

 

Table 7-6. CN7 - PF Motor (Stylus Photo 810/820/830)

Pin

Signal Name

I/O

Function

 

 

 

 

1

PFA

Out

Phase drive signal (A)

 

 

 

 

2

PFB

Out

Phase drive signal (-A)

 

 

 

 

3

PF-A

Out

Phase drive signal (B)

 

 

 

 

4

PF-B

Out

Phase drive signal (-B)

 

 

 

 

Table 7-7. CN8 - Printhead (Stylus Photo 810/820/830)

Pin

Signal Name

I/O

Function

 

 

 

 

1

GND (GND2)*

---

Ground

 

 

 

 

2

COM

---

Head drive pulse (trapezoid waveform)

 

 

 

 

3

GND (GND2)*

---

Ground

 

 

 

 

4

VHV

---

-42 V power supply for nozzle selector

 

 

 

 

5

GND

---

Ground

 

 

 

 

6

NCHG

Out

All nozzle fire selection pulse

 

 

 

 

Table 7-7. CN8 - Printhead (Stylus Photo 810/820/830)

Pin

Signal Name

I/O

Function

 

 

 

 

7

GND

---

Ground

 

 

 

 

8

LAT

Out

Head data latch pulse output

 

 

 

 

9

VDD3.3

---

Logic power supply (+3.3V)

 

 

 

 

10

CSCK

Out

Clock signal for EEPROM

 

 

 

 

11

COI

In

I/C detection signal

 

 

 

 

12

CRST

Out

Reset signal for EEPROM

 

 

 

 

13

THM

In

Thermistor detection signal

 

 

 

 

14

CSDA

In/Out

CSIC data signal for EEPROM

 

 

 

 

15

CVDD

---

Logic power supply (+3.3V) for EEPROM

 

 

 

 

*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

Appendix

Connector Summary

137