From O&K Software:
O&K Print Router is a program for simultaneous printing on any number of printers. Redirecting print, load balancing for printers, print speed up the process. Using O&K Print Router printing speed of printers increases several times. Automatic load balancing allows you to select the most affordable and ready to print the printer. This allows you to evenly distribute print documents on your printer and significantly reduce the time of printing documents.