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EPSON FX-2180 Service Manual Appendix
A-1
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
PG sensor
release lever position sensor
rear PE sensor
front PE sensor
HP sensor
PW sensor
print head
C244 MAIN board assembly
CN13
CN5
CN6
CN4
cover open sensor
C166 PSB/PSE
C244 PSH board assembly
CN3CN12
CN7
CN8
CN9
PF motor
CR motor
CN11 CN10CN15
CN2
CN1
PNL board assembly
CN14
CSF
bin 1
CN1
host
computer
parallel I/F
CN2 optional I/F
Figure A-1. Cable Connections
Table A-1. Connector Summary
Board Connector Function Pins
CN1 Parallel interface 36
CN2 Type B interface 36
CN3 Power supply board 10
CN4 HP sensor 3
CN5 Rear PE sensor 3
CN6 Front PE sensor 2
CN7 PW sensor 4
CN8 Print head 18
CN9 Print head 16
CN10 PF motor 4
CN11 CR motor 5
CN12 Release lever position sensor 4
CN13 PG sensor 4
CN14 CSF bin 1 10
Main
Board
Assembly
CN15 PNL board 22
Table A-2. Connector Pin Assignments
CN3
Pin I/O Signal Name Function
1 GP
2
GP
3 I +35V +35 VDC line
4 I +35V +35 VDC line
5 GND Signal ground
6
GND Signal ground
7 I +5V +5 VDC line
8 I +5V +5 VDC line
9 I PWDN Power down detection signal
10 O PSC Power switch on/off signal