Rank Xerox (UK) will introduce two more laser printers to the European market in April 1989, the 50 page per minute 4650 Professional Printing System, the first laser release from Xerox to feature 600 spots per inch resolution, and the 92 page per minute Xerox 4090 Laser Printing System; both will have two 170Mb hard disks, 1Mb main memory, 64 megabits of font memory, and support for Xerox’s Interpress page and document description language.