small and powerful: the smallest enterprise printer from hp easy to use, easy to manage the most secure printing in the world increased productivity to support workgroups sustainability is a smart choice for any business - 6.85 cm color non-touch control panel with 24 keys - laserprinter format: a4resolution [dpi]: black (best): up to 600 x 600 dpi, color (best): up to 600 x 600 dpi, technology: hp imageret 3600, higher (600 x 600 dpi), detailed (1,200 x 1,200 dpi), preview (300 x 300 dpi),black print speed [ppm]: up to 27 ppmcolor print speed [ppm]: up to 27 ppmfirst page out [sec.]: black and white (a4, ready): already in 9.5 s, in color (a4, ready): already in 11.0 smax. monthly load [page]: up to 55,000 a4 pages, recommended number of pages per month: 900 to 4,800 pagesmemory: standard: 1.25 gb, maximum: 1.25 gbduplex: automatic (default)tray capacity [page]: standard: 2, maximum: 3 standard input: 50-sheet multipurpose tray, 250-sheet input tray standard output: 150-sheet output bin optional input: optional 550-sheet trayinterface: standard: 2 hi-speed usb 2.0 host ports, 1 hi-speed usb 2.0 device port, 1 gigabit ethernet 10/100/1000t network port optional: hp jetdirect lan 8fp31a accessories, hp jetdirect 3100w ble/nfc/wireless 3jn69a accessories wireless: optional, after purchasing a wireless hardware accessory. single-band wireless and wi-fi direct are available with the hp jetdirect 3100w ble/nfc/wireless 3jn69a accessory mobile printing capability: hp eprint, apple airprint, nfc touch-to-print (optional), mopria certification, printing printeron, support for roam solutions for easy printing, wi-fi direct printingprinting languages: hp pcl 6, hp pcl 5, hp postscript level 3 emulation, native pdf printing (v1.7), apple airprintscanner: no.fax: no.power consumption [w]: 574 w (printing in progress), 16.7 w (standby), 1.1 w (sleep), 0.08 w (auto power off/manual on), 0.08 w (manual power off)noise [db]: sound emissions - power supply: 5.9 b (a) at 27 ipm, sound pressure emission: 48 db (a) at 27 ipmdimensions [hxwxd mm]: min. 413.6 x 472 x 304.4 mm, maximum: 413.6 x 1,038 x 330 mm (fully open printer)weight [kg]: approx. 18.9 kgsupported operating systems: windows client os (32/64-bit): win10, win 8.1, win7 ultimate, mobile operating system: ios, android, mac: apple macos high sierra v10.13, apple macos mojave v10.14, apple macos catalina v10.15, pcl6 standalone printer driver: more information on supported operating systems is available at enter the product name and search for it, then click on user guides , enter the product name, search the appropriate user guide and find the section with supported operating systems for upd pcl6/ps printer drivers, supported operating systems: more information about supported operating systems is available at package contents: hp color laserjet enterprise m455dn printer, black original hp laserjet toner cartridge (approx. 2,400 pages), hp laserjet cyan, magenta, yellow original toner cartridge (approximately 2,100 pages each), introductory guide, 1x power cordwarranty: 24 months