What the driver appears to do is to generate a series of encapsulated, compressed, raster images (one or more per page) the interpreter in the printer just unencapsulates and uncompresses these images, and prints the resultant dots. Modern ones use 'JetReady', older ones used LIDIL.Īs far as I can determine, the current 'JetReady' is a very stripped down variant of PCL6, with a very limited set of commands. These DO actually support a printer language, but this can vary from model to model, and in all cases the language is proprietary and not publically documented. (a) The printers which don't support any of the traditional Page Description Languages (PDLs), like PCL5, PCL6 or PostScript, are usually known as 'host-based' printers (sometimes as 'Windows' or 'GDI' printers).
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