Epson Stylus CX3700 - Page 157

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
APPENDIX Connector Summary 157
Table 7-3. CN3 - PE Sensor
Pin Signal Name I/O Function
1 PE I PE Sensor signal
2 GND — Ground
3 PEV — Power supply for PE Sensor
Table 7-4. CN5 - Print Head
Pin Signal Name I/O Function
1 LAT O Head data latch pulse output
2 VDD — +3.3V
3 CH O Charge signal for the trapezoidal wave-form
4 GND — Ground
5 NCHG O All nozzle fire selection pulse
6 VDD2 — +3.3V
7 XHOT/THM I
Head temperature signal
8 GND — Ground
9 GND2 — Ground
10 COM O Head drive pulse (trapezoid waveform)
Table 7-5. CN6 - Print Head
Pin Signal Name I/O Function
1 GND2 — Ground
2 COM O Head drive pulse (trapezoid waveform)
3 VHV O +42V power supply for nozzle selector
4 GND — Ground
5 SI2_Col O Print data output for color nozzles
6 GND — Ground
7 SI1_Bk O Print data output for black nozzles
8 GND — Ground
9 GND — Ground
10 GND — Ground
Table 7-6. CN7 - Print Head
Pin Signal Name I/O Function
1 COI I Cartridge detect signal
2 CSDA I/O CSIC transmit and receive data
3 CRST O Reset signal for address counter of CSIC
4 CGND — Ground
5 CVDD O Power supply for CSIC
6 CSCK I/O Clock signal for CSIC read/write
7 NC — Not connected
8 GND — Ground
9 ENCB I Encoder feed back signal ch.B
10 EVDD O Power for CR Encoder
11 ENCA I Encoder feed back signal ch.A