Epson FX Series Product Support page 127

GENERAL
The DIP Switch No. 2 consists of the following 4 pins. A summary of the
functions and their respective DIPswitch pins and factory settings at the time
of shipment are shown in table 6-6.
TABLE 6-6. Functions of DIP Switch No. 2 (FX-80/80+ /100/100+ )
SW pin
No.
Function OFF
ON
Factory-set
condition
2-1
SLCT IN signal internally
fixed or not fixed
Not fixed Fixed
ON
2-2
Bu22er Invalid Valid
ON
2-3
1 inch skip-over
perforation
Invalid Valid
OFF
2^
Autonnatic line feed
LF must be
from host
Auto LF with
CR
OFF
SW2-1: When the switch is ON, the printer is permanently inthe "select"
mode and no external command can "deselect it. In the OFF
position, it theoretically can be selected and deselected by
external software codes. This refers to pin 36 on the connector.
Some computers control this pin; if they do control the pin, SW
should be OFF.
SW2-2: If ON, the buzzer will sound; if OFF, the buzzer will not sound at
all.
SW2-3 This pin is used to set the automatic skip-over perforation
function.
:
i
6-6
EPSON PRINTERS
SW2-4: Forces an automatic line-feed with each carriage return. When
OFF, line-feed must be provided via software as needed. This pin
is used to fix AUTO FEED XTsignals internally, the signal line is
wired ORed with pin No. 14 of the interface connector. In order
to control pin No. 14, leave this DIPswitch in the OFFposition.
6.3.3 RX-80/80FT + /RX-100/100 DIP Switches
To obtain access to the DIP Switches, follow the steps below;
1. Unplug the power cord.
2. Remove the pin-feed paper (if loaded) and the separator.
3. Remove the manual paper feed knob by pulling it straight out, with
firm but steady pressure.
Pull out
Fig.6-3. Removing Manual Paper Feed Knob