Service manual

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EPSON LQ-300+ Revision C
Appendix Connector Summary 83
7.1 Connector Summary
The figure below illustrates how the primary components are connected.
Figure 7-1. Cable Connections
Table 7-1. C395Main Connectors
Connector Function Pins
CN1 Parallel I/F 36
CN2 Serial I/F 6
CN3 HP Detector 2
CN4 PE (Rear) Sensor 2
CN5 Release Detector 2
CN6 PE (bottom) Detector 2
CN7 PG (Copy Mode) Detector 2
CN8 Power Board C294PSB/PSE 9
CN9 Printhead 12
CN10 CR Motor 4
CN11 PF Motor 4
CN12 CS Motor (Option) 10
CN13 Operation Panel C294PNL 12
CN16 Head 17
Table 7-2. CN3-HP Detector
Pin I/O Signal Name Function
1 I HP Carriage home position sensor signal
2 - GND Signal ground
Table 7-3. CN4-PE (Rear) Sensor
Pin I/O Signal Name Function
1 I RPE Rear paper end sensor signal
2 - GND Signal ground