Epson 440 User Manual download pdf (Page 167)

EPSON Stylus Color 440/640/740 Revision A

Chapter 7 Appendix 167

A.1.2.1 Connector Pin Assignment (Stylus Color 740)

Tables in this section provide connector pin assignments of the

C257MAIN, the main board equipped with Stylus Color 740.

CAUTION

Information contained in this section only applies to

Stylus Color 740.

If you need information on Stylus Color 440 and Stylus

Color 640, return to Section A.1.1.1.

Table A-11. Connector Summary of C257MAIN

Connector Function Table to refer to

CN1 Parallel I/F connector Chapter 1/Table 1-10

CN2 Serial I/F connector Chapter 1/Table 1-16

CN3 SUB I/F connector Chapter 1/Table 1-18

CN4 To HP sensor Table A-12

CN5 To PE sensor Table A-13

CN6 To ASF sensor Table A-14

CN7 To CR motor Table A-15

CN8 To PF motor Table A-16

CN9 To Printhead Table A-17

CN10 To Power supply board Table A-18

CN11 To Control panel Table A-19

Table A-12. Connector CN4

Pin Signal Name I/O Function

1 HP In Sensor detect signal

2 GND --- Ground

3 HPV --- Sensor power supply(+5V)

Table A-13. Connector CN5

Pin Signal Name I/O Function

1 PE In Sensor detect signal

2 GND --- Ground

3 PEV --- Sensor power supply (+5V)

Table A-14. Connector CN6

Pin Signal Name I/O Function

1 ASF In Sensor detect signal

2 GND --- Ground

3 ASFV --- Sensor power supply (+5V)

Table A-15. Connector CN7

Pin Signal Name I/O Function

1 CRA Out Phase drive signal (A)

2 CR-A Out Phase drive signal (-A)

3 CRB Out Phase drive signal (B)

4 CR-B Out Phase drive signal (-B)

Table A-16. Connector CN8

Pin Signal Name I/O Function

1 PFA Out Phase drive signal (A)

2 PFB Out Phase drive signal (B)

3 PF-A Out Phase drive signal (-A)

4 PF-B Out Phase drive signal (-B)

1 2 ... 162 163 164 165 166 167 168 169 170 171 172 ... 211 212

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