EPSON Stylus PHOTO 810/820 Revision A
Appendix Connector Summary 126
7.1 Connector Summary
7.1.1 Major Component Unit
The major component units of this printer are as follows.
C418 Main/Main-B Board
Power Supply Board (C417PSB/PSE)
The figure below shows how to connect these components.
Figure 7-1. Connection of the major components
See the following tables for the connector summary for the C417 Main/C418 Main
board and each connector’s pin alignment.
CN8, CN9 CN12 CN4
Parallel I/F
CR motor
Printhead
PF motor
C418 MAIN/
Main-B
CN7
CN1
CN2
HP/PE sensor
C417PSB/PSE
CN2
AC power
Printer mechanism
USB I/F
CN3
Table 7-1. Connector Summary for C417 MAIN
Connector Function Table to refer to
CN1 For connection with the Parallel interface
Refer to 1.3.1
"Parallel Interface
(Forward Channel)"
CN2 For connection with the Power supply board Table 7-2
CN3 For connection with the USB
Refer to 1.3.3 "USB
Interface"
CN4 For connection with the HP/PE sensor Table 7-3
CN7 For connection with the PF motor Table 7-4
CN8, CN9 For connection with the printhead Table 7-5, Table 7-6
CN12 For connection with the CR motor Table 7-7
Table 7-2. CN2 - Power Supply Board
Pin Signal Name I/O Function
1 PSC --- PSC signal
2 GND --- Ground
3 +42V --- Mechanism drive power supply
4 GND --- Ground
5 +5V --- Logic power supply
Table 7-3. CN4 - HP/PE Sensor
Pin Signal Name I/O Function
1HPPEInSensor detect signal
2 GND --- Ground
3 HPPEV --- Sensor Power Supply
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