Epson U230 User Manual
1-4
Installation
Confidential
Serial Interface
*1: Do not change the settings of DIP switches 2-2, 2-6, and 2-7.
DIP Switch 1
Switch No.
Function
On
Off
Default
1
Data receive error
Ignored
Print "?"
Off
2
Receive buffer
capacity
capacity
1KB
16KB
Off
3
Handshaking
XON/XOFF
DTR/DSR
Off
4
Word length
7 bit
8 bit
Off
5
Parity check
Yes
No
Off
6
Parity selection
Even
Odd
Off
7
Baud rate selection
4800 bps
9600 bps
Off
8
BUSY condition
Receive buffer-full
Offline
Receive buffer-full
Receive buffer-full
Off
DIP Switch 2
Switch No.
Function
On
Off
Default
1
Selects number of
characters per line (cpl)
(7
characters per line (cpl)
(7
×
9 font/9
×
9 font)
42 cpl//35 cpl
40 cpl/33 cpl
Off
2
For internal use only (*1)
(autocutter)
(autocutter)
Enabled
Disabled
On
3
Pin 6 reset signal
Used
Not used
Off
4
Pin 25 reset signal
Used
Not used
Off
5
PAPER OUT LED blinking
pattern
pattern
Blinks
Lights on
On
6
For internal use only (*1)
(Flash memory rewriting)
(Flash memory rewriting)
Enabled
Disabled
off
7
For internal use only (*1)
(Interface synchronization)
(Interface synchronization)
Asynchronous
Synchronous with
clock
clock
Off
8
internal buzzer
Disabled
Enabled
Off