Epson C31C391A8791 - TM U230P Two-color Dot-matrix Printer Developer's Manual page 6

2) Parallel Port
DIP-SW1
No. Setting
1 OFF
2 OFF
3 OFF
4 OFF
5 OFF
6 OFF
7 OFF
8 OFF
It is possible to change the settings of DIP-SW1-1, 2 and 8, but it is
recommended to leave them OFF.
Set DIP-SW2-5 (PAPER OUT LED blinking pattern) and DIP-SW2-8 (Internal
buzzer) to match the environment of use.
When parallel I/F is used with Windows 2000, Windows XP or Windows Vista,
please set Busy Condition of DIP-SW1-8 to ON (Buffer full).
Make other settings in accordance with the settings described above.
3) USB Port
DIP-SW1
No. Setting
1 OFF
2 OFF
3 OFF
4 OFF
5 OFF
6 OFF
7 OFF
8 OFF
It is possible to change the settings of DIP-SW1-1, 2 and 8, but it is
recommended to leave them OFF.
Set DIP-SW2-5 (PAPER OUT LED blinking pattern) and DIP-SW2-8 (Internal
APPLICATION DEVELOPMENT GUIDE
DIP-SW2
No.
Recommended
Recommended
Fixed at OFF
Fixed at OFF
Fixed at OFF
Fixed at OFF
Fixed at OFF
Recommended
DIP-SW2
No.
Recommended
Recommended
Fixed at OFF
Fixed at OFF
Fixed at OFF
Fixed at OFF
Fixed at OFF
Recommended
3
POSPrinter (TM-U230)
Version 2.61 Feb. 2008
Setting
1 OFF Fixed at OFF
2 ON Fixed at ON
3 OFF Fixed at OFF
4 ON Fixed at ON
5 ON Settable
6 OFF Fixed at OFF
7 OFF Fixed at OFF
8 OFF Settable
Setting
1 OFF Fixed at OFF
2 ON Fixed at ON
3 OFF Fixed at OFF
4 ON Fixed at ON
5 ON Settable
6 OFF Fixed at OFF
7 OFF Fixed at OFF
8 OFF Settable