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printer interfaced with microcontroller

santhosh kumar

Hi my name is santhosh, i am trying to inerface printer(epson lx 300) with microcontroller. But the problem is i am getting junk characters in the printing...

i have used 8 data lines,strobe and busy lines. I am using parallel port to interface printer.

can any one help me..

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  • 0 in reply to John Linq

    Thanks for the reply, i am using old printer only..i have one doubt. To sent commands like printer init.,printer select etc. we are using ascii charecter and for data also we are using ascii char how to diff. between data and commands. to diff. between data and commands we any lines or any thing to be enabled.

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  • 0 in reply to John Linq

    Thanks for the reply, i am using old printer only..i have one doubt. To sent commands like printer init.,printer select etc. we are using ascii charecter and for data also we are using ascii char how to diff. between data and commands. to diff. between data and commands we any lines or any thing to be enabled.

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