Lexmark X854e MFP. Print quality: 1200 x 1200 DPI. Print speed: 55 ppm, 5 s. Print technology: Laser. Scanning: 600 x 600 DPI. Paper handling: Card Stock, Envelopes, Paper Labels, Plain Paper, Transparencies . Fax: 33.6 Kbit/s. Output capacity: 3800 sheets, 500 sheets. Input capacity: 5100 sheets, 3100 sheets. Processor: 625 MHz. Memory: 256 MB, 0.768 GB. Media formats: A4 (210 x 297 mm), 10 Envelope, 7 3/4 Envelope, A3, A4, A5, . System requirements: Apple Mac OS X, 9.x/ . Weight & dimens