Both PCL and PS Drivers are page description languages which are used by the printer for printing documents. PCL is developed by Hewlett Packard, while PS Drivers or Postscript is developed by Adobe Systems. While postscript is used mostly for laser printers, PCL is used for both laser and ink-jet printers. One of the major differences between the page description languages is that postscript is usually used for accomplishing complex tasks, while PCL drivers are used for not-too complex tasks, and they are faster compared to PS Drivers.
PS Drivers are designed with more functions compared to PCL Drivers that is why it is quite popular. When you are using PS Drivers, you can send your information to the printer in plain text or binary format while you can only send your information to the printer in the binary format. In terms of quality, PCL doesn't produce good quality as PS Drivers.
Printer Command Language or PCL is a page description language developed by Hewlett Packard as a printer protocol. The protocol has become a de facto industry standard, and it was initially designed for the inkjet printers in 1984. PCL has been launched in varying levels for thermal matrix and page printers. HP-GL/2 and PCL. At a consumer level, PCL data streams are generated by a print driver.
Custom applications can quickly produce PCL output. Postscript is a page description of computer language in the digital publishing and desktop publishing business. It is vigorously typed, concentrative programming language and was created at Adobe Systems by John Warnock, Charles Geschke, Doug Brotz, Ed Taft and Bill Paxton.