| Processor frequency | 800 MHz |
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| Print cartridges | 4 (black, cyan, magenta, yellow) |
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| Black print speed | Up to 27 ppm (A4, single-sided), 24 ipm in duplex |
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| First page out time | 9.5 s (black), 11 s (colour), A4 from ready; 11 s (black), 12.1 s (colour) from sleep |
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| Colour print speed | Up to 27 ppm (A4, single-sided), 24 ipm in duplex |
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| Black print quality | Up to 600 x 600 dpi (HP ImageREt 3600) · Fine lines 1,200 x 1,200 dpi · Quick view 300 x 300 dpi |
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| Colour print quality | Up to 600 x 600 dpi (HP ImageREt 3600) · Fine lines 1,200 x 1,200 dpi · Quick view 300 x 300 dpi |
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| Duty cycle | Up to 55,000 pages per month (A4) |
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| Connectivity | 2 Hi-Speed USB 2.0 host ports, 1 Hi-Speed USB 2.0 port, 1 Gigabit Ethernet 10/100/1000T port · Optional wireless, Wi-Fi Direct and NFC (HP Jetdirect 3100w accessory) |
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| Mobile printing | HP ePrint, Apple AirPrint, Mopria, Wi-Fi Direct, PrinterOn, optional NFC Touch-to-print |
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| Display | Backlit non-touch 6.85 cm colour TFT-LCD control panel, 960 x 240 dots, 24 keys |
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| Duplex printing | Automatic |
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| Paper tray capacity | Input: 50 sheets (multipurpose tray 1) + 250 sheets (tray 2), up to 850 sheets with the optional 550-sheet tray 3 · Output: 150 sheets, 20 envelopes |
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| Supported media sizes | Tray 1: A4, RA4, A5, B5 (JIS), B6 (JIS), 10 x 15 cm, A6, 16K, envelopes (B5, C5 ISO, C6, DL ISO); Custom sizes: 76 x 127 to 216 x 356 mm; Tray 2: A4; RA4; A5; B5 (JIS); B6 (JIS); 10 x 15 cm; A6; 16K; 98 x 148 to 216 x 356 mm; Optional input tray 3: A4; RA4; A5; B5 (JIS); B6 (JIS); 10 x 15 cm; A6; 16K; 98 x 148 to 216 x 356 mm |
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| Supported media types | Paper (bond, brochure, coloured, glossy, photo, plain, preprinted, prepunched, recycled, rough); Postcards; Labels; Envelopes |
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| Dimensions (W x D x H) | 413.6 x 472 x 304.4 mm, 413.6 x 1,038 x 330 mm fully open (497 x 379 x 583 mm packaged) |
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| Net weight | Approx. 18.9 kg (21.6 kg packaged) |
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| Installed memory | 1.25 GB |
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| Compatible operating systems | Windows 10, 8.1, 7 Ultimate · Windows Server 2008 R2 to 2016 · macOS 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina · iOS, Android |
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| Box contents | HP Color LaserJet Enterprise M455dn printer; Genuine HP LaserJet black toner cartridge (approx. 2,400 pages); HP LaserJet toner cartridges: cyan, magenta and yellow (approx. 2,100 pages each); Getting started guide; 1 power cord |
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| Cable included | None (USB cable to be purchased separately) |
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| Features | Print |
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