//init 
        dos.write( 27 );
        dos.write( 116 );
        dos.write( 18 );

 public   static   final   byte [] INIT = {0x1B, 0x40};
dos.write(INIT);

 import  gnu.io.CommPort;
 import  gnu.io.CommPortIdentifier;
 import  gnu.io.NoSuchPortException;
 import  gnu.io.PortInUseException;
 import  java.io.DataOutputStream;
 import  java.io.IOException;
 import  java.io.OutputStream;

/**
 *
 * @author moonmike
 */
 public   class  Main
{
    
     private   static   final   byte [] CODE_TABLE_866 = {0x1B, 0x74, 0x11};
     public   static   final   byte [] INIT = {0x1B, 0x40};
    
     public   static   void  main(String[] args)
    {
         try 
        {
            CommPortIdentifier cpi = CommPortIdentifier.getPortIdentifier("COM10");
            CommPort commport;
            commport = cpi.open("Printer",  100 );
            OutputStream os;
             try 
            {
                os = commport.getOutputStream();
                DataOutputStream dos =  new  DataOutputStream(os);
                dos.write(INIT);
                dos.write(CODE_TABLE_866);
                dos.write('H');
                dos.write('e');
                dos.write('l');
                dos.write('l');
                dos.write('o');
                dos.flush();
                dos.close();
                os.close();
            }
             catch  (IOException ex)
            {
                ex.printStackTrace();
            }
        }
         catch  (PortInUseException ex)
        {
            ex.printStackTrace();
        }
         catch  (NoSuchPortException ex)
        {
            ex.printStackTrace();
        }
        
        System.exit( 0 );
    }
    
}

PRINT # 1 , CHR$(&H1B);"@"; 'Initializes the printer (ESC @)
PRINT #1, CHR$(&H1B);"a";CHR$(1);'Specifies a centered printing position (ESC a)
PRINT # 1 , CHR$(&H1B);"!";CHR$( 0 ); 'Specifies font A (ESC !)
PRINT #1, "January 14, 2002 15:00";
PRINT #1, CHR$(&H1B);"d";CHR$(3); 'Prints and  3  line feeding (ESC d)
PRINT # 1 , CHR$(&H1B);"a";CHR$( 0 ); 'Selects the left print position (ESC a)
PRINT #1, CHR$(&H1B);"!";CHR$(1); 'Selects font B
PRINT # 1 , "TM-U210B $20.00";CHR$(&HA);
PRINT # 1 , "TM-U210D $21.00";CHR$(&HA);
PRINT # 1 , "PS-170 $17.00";CHR$(&HA);
PRINT # 1 , CHR$(&HA); 'Line feeding (LF)
PRINT #1, CHR$(&H1B);"!";CHR$(17); 'Selects  double -height mode
PRINT # 1 , "TOTAL $58.00"; CHR$(&HA);
PRINT # 1 , CHR$(&H1B);"!";CHR$( 0 ); 'Cancels double-height mode
PRINT #1, "------------------------------";CHR$(&HA);
PRINT #1, "PAID $60.00";CHR$(&HA);
PRINT #1, "CHANGE $ 2.00";CHR$(&HA);
PRINT #1, CHR$(&H1D);"V";CHR$(66);CHR$(0); 'Feeds paper & cut
’Drawer Kick (ESC p)
PRINT # 1 , CHR$(&H1B); CHR$(&H70); CHR$(&H0); CHR$( 60 ); CHR$( 120 );