Hi Rahul, Suggest you to try

[AJISH ALFRED]

Hi Rahul,

 Suggest you to try out this project first

http://www.engineersgarage.com/microcontroller/8051projects/interface-serialport-RS232-AT89C51-circuit

 

Now all you have to do is to go through the datasheet of your printer and send or receive the data format mentioned for printer initialization and printing.