Re: How dot matrix printer can interface with 8051 compactible microcontroller

krishna wrote:

Hi friends,
i want to interface dot matrix printer with 89v51rd2 microcontroller
in my project,but currently i m unable to find any information about
printer.can u guid me for this.

Like Aly has already said, knowing the model number of the printer and the
interface type it is expected to be connected through would be helpful.
Those of us who have been in the game a long time find that our crystal
globes do not shine up like they used to anymore.

Your possibilities include:-

Centronics Parallel Interface

RS232C Serial Asynchronous

Proprietary Parallel Bus (usually on ribbon) for which information will
only be available from the manufacturers.

USB is unlikely on a dot matrix as most printers these days seem to be
ink-jet or laser.

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