Simplify the following text for a Grade 12 native English-speaking person.
Original: The data stream used by these systems to drive page layout on printers and imagesetters led to the development of printer control languages such as Adobe Systems PostScript and Hewlett-Packard 's HP PCL .
Simplified: The data stream used by these systems to drive page layout on printers and imagesetters led to the use of printer control languages such as Adobe Systems PostScript and Hewlett-Packard 's HP PCL .