Epson 2170 Printer User Manual


 
Table A-13 Connector Pin Assignments – CN14
Pin I/O Signal Name Function
1 O A CSF motor phase A
2 O B CSF motor phase B
3 O –A CSF motor phase –A
4 O –B CSF motor phase –B
5 O HOLD CSF motor hold signal
6 —- +5V +5 VDC line
7 —- GND Signal GND
8 —- GND Signal GND
9 —- +35V +35 VDC line
10 —- +35V +35 VDC line
Table A-14 Connector Pin Assignments – CN15
Pin I/O Signal Name Function
1 I COPEN Case open sensor signal
2 O PAUSEL Pause LED signal
3 —- +5V +5 VDC line
4 O POUTL Paper out LED signal
5 O RESRVL Pitch select LED
6 I PAUSSW Pause button signal
7 O TBIN2L Tear off/ bin select LED
8 O TBIN1L Tear off/ bin select LED
9 O PITC1L Pitch select LED
10 O PITC2L Pitch select LED
11 —- FONT3L Not connected
12 O FONT2L Font LED
13 O FONT1L Font LED
14 —- GND Signal GND
15 —- GND Signal GND
16 I FONTSW Font button signal
17 I PITCSW Pitch button signal
18 I TBINSW Tear off/ bin signal
19 I PSC Operate button signal
20 I LDEJSW Load / Eject button signal
21 I LFFFSW LF / FF button signal
22 —- FG Frame GND
FX-2170 Service Manual Appendix
Rev. A A-9