Epson FX Series Product Support

GENERAL
Table 6-20 Setting of DIP Switch 2
sw
Function
ON
OFF
Factory
Setting
2-1
l/F board enable/disable (Note 1)
Enable
Disable
ON
2-2
Buffer operation enable/disable
Enable
Disable
ON
2-3 Flag reset timing 1
See Table 6-21
OFF
2-4 Flag reset timing 0
OFF
2-5
Self-test enable/disable
Enable
Disable
OFF
2-6
Self-test mode selection
Line
monitor
Loopback
OFF
Note:
1. This interface board operates when switch'2-1 isON, and d6es not
operatewhen it is OFF. Using this switch, the parallel interface of the
printercan be used with the serial board installed.
Table 6-21 Flag ResetTiming Selection
Vacant area for bytesin
the print buffer
SW2-3
SW2-4
261
OFF
OFF
352
OFF
ON
624
ON
OFF
1,936
ON
ON
Note:
1. The X-ON signalcan besent when the vacantarea reachesthe above value
6-22
EPSON PRINTERS
Table 6-22 Setting of Jumpers
Jumper
Function
Factory
Setting
J1
ON: Pull up "TTY-TXD" to + 12\/ via 470 ohm resistor (See Note 1)
OFF
J2 ON: Connect "TTY-RXD Return" to signal ground (See Note 1)
OFF
J3
ON; Connect "TTY-TXD Return" to signal ground (See Note 1)
OFF
J4
ON: Pullup "TTY-RXD" to + 12Vvia 470 ohm resistor (See Note 1)
OFF
J5
ON: Pullup"DSR*to + 12V
ON
J6
ON: Pull up "DCD" to + 12V
OFF
J7
A
ON: Select BK byte RAM (See Note 2)
OFF
B
ON; Select 2K byte RAM (See Note 2)
OFF
J8
A
ON or OFF
Send X-ON/X-OFF
signal in RS-232C
level
ON Do not Send X-ON/X-
OFF signal in RS-232C
level
ON
B ON
OFF
ON
J7
A
Fixed (See Note 2)
"B
JX
ON
X-ON/X-OFF signal is used for
handshaking in Current Loop
mode (See Note 4)
OFF
Flag control isused for
handshaking in Current
Loop mode (See Note 4)
OFF
JF
OFF
ON
ON
JCL
ON; Receive data in Current Loop Mode. (See Note 5)
OFF
JRS
ON: Receive data in RS-232C Mode (See Note 5)
ON

Epson FX Series Specifications

General

Brand	Epson
Model	FX Series
Category	Printer
Language	English