Epson LQ-2550 User Manual page 274

Table 2 Default Settings and Options
INTERFACE
BAUD RATE'
PARITY
l
AUTO LINE FEED
DEFAULT MACRO
*These settings are displayed only when the serial interface setting is selected.
Parallel, Serial
300, 600, 1200, 2400, 4600, 9600, 19200 BPS
None, Even, Odd, ignore
On, Off
Disable, Enable
#1, #2, #3, #4