Epson FX Series Product Support page 22

EPSON PRINTERS
Connector CN6-FX85/185
Use: Supply voltage from the power supply transformer to the control
circuit board. 4 Pins.
WIRING DATA
Connector CN7-FX85/185
Use: Signal exchange between the control panel and the control circuit
board. 8 Pins.
TABLE 2-7. PIN ASSIGNMENT OF CN7
TABLE 2-6. PIN ASSIGNMENT OF CN6
Ptn No.
Signal Name
Direction
• ascription of Stgnel
PinNa
Signel Name Color
Use 1 >6
Out
LEO Lamp Drive Power
1 AC1
Orsnge
26V AC for lofltc circuit, stepper motor and head
2 RDY LP Out
READY LED Drive Signal
2 AC2
Orange
lolsnoid
3 PELP
Out
Paper End LEDDrive Signal
3
AC3
Gray
12V AC for option inierfaca
4 ON LINE LP
Out
ON LINELEDDrive Signal
4 AC4
Gray
S LF SW In
LINE FEED Signal
6
FF SW In
FORM FEED Signal
7
ON LINE SW
In
ON/OFF LINESwitching Signal
8 GL
-
Logic Ground
2-5
NOTE:
"Direction" refers to the direction of signal flow as viewed from the control circuit board.
Connector CN8-FX85/185
Use: Send signal from the PE sensor on the printer mechanism to the
control circuit board. 2 Pins.
TABLE 2-8. PIN ASSIGNMENT OF CN8
Pin No.
Signal Name Oirection
Use
1 PE+
In
Paper End Sentor ••'Side
2
PE-
-
Paper End Sensor -Side (LogicGround)
NOTE:
"Direction" refers to the direction of signal flow as viewed from the control circuit board.