SPECIFICATIONSÂ Manufacturer Part No.:M455dn, 3PZ95ABrand:HPProduct Type:Laser PrinterConnectivity:Ethernet, USBHeight:304.4 mmWidth:413.6 mmDepth:472 mmShipping weight:21.6 kgWindows operating systems supported:Win10, Win8.1, Win7 UltimateServer operating systems supported:Windows Server 2008 R2 64-bit/ 2008 R2 64-bit (SP1)/ 2012 64-bit/ 2012 R264-bit/ 2016 64-bit/ 2019 64-bit, Citrix Server 6.5, Citrix XenApp & XenDesktop7.6, Novell iPrint serverMac operating systems supported:Apple MacOS High Sierra v10.13, Mojave v10.14, Catalina v10.15Functionality:PrintDuplex Functionality:PrintColour or mono:ColourTime to first page (black, normal):9.5 secTime to first page (colour, normal):11 secPrint speed (black, normal quality, A4/US Letter):27 ppmPrint speed (colour, normal quality, A4/US Letter):27 ppmDuplex printing modes:AutomaticDuplex print speed (black, normal quality, A4/US Letter):24 ipmDuplex print speed (colour, normal quality,A4/US Letter):24 ipmPrint resolution:600 x 600 dpiMaximum resolution:600 x 600 dpiRecommended duty cycle:900 to 4,800 Pages per monthMaximum duty cycle:55,000 pages per monthPaper size:A4Standard input capacity:300 sheetsMaximum input capacity:850 sheetsNumber of standard paper trays:2Maximum number of paper trays:3Standard output capacity:150 sheetsMaximum output capacity:150 sheetsISO A-series sizes (A0...A9):A4, A5ISO B-series sizes (B0...B9):B5, B6ISO C-series sizes (C0...C9):C5, C6Envelopes sizes:B5, C5 ISO, C6, DL ISONon-ISO print media sizes:Legal, LetterPhoto paper sizes:10x15 cmMaximum internal memory:1.25 GBProcessor frequency:800MHzDisplay:LCDIncluded cartridges capacity:2,400 pages black, 2,100 pages cyan, magenta, yellowInternal memory:1.25 GBPrint resolution colour:600 x 600 dpiPrint resolution black:600 x 600 dpiUSB connector:USB Type-A