Silentwriter® Model 990 - 8ppm, controller Weitek XL-8200 RISC, includes SCSI expansion port, letter cassette, face down/up paper output, interface ports include AppleTalk, parallel, serial, RS-232, standard auto emulation software, 35 scalable fonts, 14 HP LaserJet (PCL Level 4+), PostScript™, HP LaserJet IIP, standard 2MB - expandable to 4M, connects to standard analog phone line, 300x300 dpi.