EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
APPENDIX Connector Summary 118
Table 7-5. J3 - Panel Board
Pin Signal Name I/O Function
1 VCC — 3.3V
2 GND — Ground
3 PSDO O Parallel->Serial Output to MB
4 PSDI I Serial Input to Parallel from MB
5 PLatch O
74595 Positive-Edge: Storage to Output
74165 H:Shift; L:Parallel Load
6 PSCK O Serial CLK
7 PWR_SAVE I Power Save mode: Active Low
8 PWRON_SW I Power On Switch: Trigger Low
Table 7-6. J5 - CIS Assy.
Pin Signal Name I/O Function
1 OS I Signal OUT
2 MODE O Resolution Switch Select
3 VAD — Analog Power 5V
4 GND — Ground
5 CLK I Master Clock
6 VCC — Digital Power 3.3V
7 TR O Start pulse
8 LED CA — LED Common Anode
9 LED B O LED cathode (Blue)
10 LED G O LED cathode (Green)
11 LED R O LED cathode (Red)
12 GND — Ground (For LED Shielding)
Table 7-7. J6 - Scanner Motor
Pin Signal Name I/O Function
1 SMOUT1A O Phase drive signal (1A)
2 SMOUT1B O Phase drive signal (1B)
3 SMOUT2A O Phase drive signal (2A)
4 SMOUT2B O Phase drive signal (2B)
Table 7-8. J7 - CR Motor
Pin Signal Name I/O Function
1 PMOUT1A O CR Motor drive signal (1A)
2 PMOUT1B O CR Motor drive signal (1B)
Table 7-9. J8 - PF Motor
Pin Signal Name I/O Function
1 PMOUT3A O PF Motor drive signal (3A)
2 PMOUT4A O PF Motor drive signal (4A)
3 PMOUT3B O PF Motor drive signal (3B)
4 PMOUT4B O PF Motor drive signal (4B)
Table 7-10. J9 - PE Sensor
Pin Signal Name I/O Function
1 PAPER_SEN I PE Sensor signal
2 GND — Ground
3 PEV — Power supply for PE Sensor
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