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EPSON FX-2180 Service Manual
A.1 Connector Summary
The figure below shows how the primary components of the printer are
connected. Table A-1 summarizes the functions and sizes of the
connectors.
printer mechanism
PF motor
CR motor
PG sensor
release lever position sensor
rear PE sensor
front PE sensor
HP sensor
PW sensor
print head
cover open sensor
CN2
PNL board assembly
CN1
CN8
CN15
CN7
CN4
CN6
CN9
CSF
bin 1
C244 MAIN board assembly
CN14
Figure A-1. Cable Connections
C166 PSB/PSE
C244 PSH board assembly
CN12
CN3
CN5
CN13
CN11
CN10
CN1
CN2
Board
Main
Board
Assembly
Table A-2. Connector Pin Assignments
Pin
1
2
3
4
5
host
6
computer
7
parallel I/F
8
optional I/F
9
10
Table A-1. Connector Summary
Connector
Function
CN1
Parallel interface
CN2
Type B interface
CN3
Power supply board
CN4
HP sensor
CN5
Rear PE sensor
CN6
Front PE sensor
CN7
PW sensor
CN8
Print head
CN9
Print head
CN10
PF motor
CN11
CR motor
CN12
Release lever position sensor
CN13
PG sensor
CN14
CSF bin 1
CN15
PNL board
I/O
Signal Name
GP
GP
I
+35V
+35 VDC line
I
+35V
+35 VDC line
GND
Signal ground
GND
Signal ground
I
+5V
+5 VDC line
I
+5V
+5 VDC line
I
PWDN
Power down detection signal
O
PSC
Power switch on/off signal
Appendix
Pins
36
36
10
3
3
2
4
18
16
4
5
4
4
10
22
CN3
Function
A-1
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Troubleshooting
