If you are printing multiple-part tickets and absolutely must use a dot matrix printer, we provide instructions on how to setup the Okidata Microline 320 Turbo Dot Matrix (ML320) printer.
Okidata ML 320 Dot Matrix Printer
We provide specific instructions on configuring that printer to print the default ticket which is 8.5" x 5.5" inches in size.
If you choose to use any other dot matrix printer other than the Okidata Microline 320 Turbo, please refer to the manufacturers documentation and follow their prescribed installation instructions to setup of your printer as closely as possible to mimic the settings used by the ML320/321.