HP LASERJET ENTERPRISE MFP M635FHT 4-1 MONO PRINTER (7PS98A) - Functions: Print, Copy, Scan, Fax, Print Speed: Up to 61 ppm, Resolution: Up to 600 dpi, Memory: 1.5 GB (Printer); 512 MB (Scanner), Display: 20.3 cm (8.0 in) Colour Graphics Display (CGD) with Touchscreen, Rotating (adjustable angle) Display, Illuminated Home Button, Connectivity: 1 Hi-Speed Device USB 2.0; 2 Host USB (1 walk-up and 1 external accessible); 1 Gigabit Ethernet 10/100/1000T network; 1 Hardware Integration Pocket; 1 Fax, Paper Size: A4, A5, A6, RA4, B5 (JIS), B6 (JIS), Paper Handling:100 sheet multipurpose feeder, 550 sheet input feeder, 150 sheet automatic document feeder, 1 x 550 sheet feeder with cabinet, Operating Systems: Windows Client OS (32/64-bit): Win10, Win8.1, Win7 Ultimate, Mobile OS - iOS, Android, Mac - Apple macOS Sierra v10.13, Apple macOS High Sierra v10.14, Apple macOS Mojave v10.15, Discrete PCL6 Printer Driver