graphics printing on dot matrix printer

Hello,

I have interfaced a centronics dot matrix printer with the 8051 controller. I am able to print the text on it. Now I have a application in which I have to print a graph using its graphics mode on to it. How can we print a graph using the dot matrix printer through a microcontroller.

Also, what is the ASCII code for the form feed (FF) character?

Regards,

Mohit

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