This allow the output to be consistent when printed on more than one type of printer or print device. This means that the PostScript language creates all of the print data and does not rely on the printer for print data. PostScript 3 and newer includes many enhancements to older versions of PostScript, including improved image quality and color. It is a device-independent page description language developed by Adobe, which is used to print and display pictures and text. It is used heavily in Macintosh platforms and for graphic applications in several platforms.
Individual printers may perform these tasks differently giving you a slightly different output. The printer is then responsible to complete the creation and processing of page data. This allows the computer to process the print job quickly and efficiently. This means that the drivers for this language utilize the printer hardware for creating some of the printed data, usually graphics data such as fill areas, underlines or fonts.
PCL is supported by many different operating systems which allows for the same printer to work in many different environments.
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