From the Aloha Knowledge Database...
If you have a printer that emulates an approved printer, then set the DIP switches to the listed preferences. For Epson emulation, set the printer to Epson emulation, 9600 baud, even parity, 8 data bits, 1 stop bit, and Xon/Xoff flow control. For Star emulation, set the printer to Star emulation, 9600 baud, even parity, 8 data bits, 1 stop bit, and DTR/DSR flow control.