IMGSPL is a Tops-20 spooler for Imagen 8/300 laser printers. Galaxy and Exec modifications (included) enable to user to queue files with the "laser-print" command and manipulate the laser print queue with the modify, information output, and cancel commands. The spooler is controlled by Quasar and Orion/OPR. Imagen printers connected to serial lines or TCP interfaces may be used.