| Processor frequency | 1.2 GHz |
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| Print cartridges | 4 toners (black, cyan, magenta, yellow) |
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| Black print speed | Up to 41 ppm (A4, single-sided), 41 ipm in duplex |
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| First page out time | 5.7 s (black), 6.1 s (colour), A4 from ready; 11.5 s from sleep |
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| Colour print speed | Up to 41 ppm (A4, single-sided), 41 ipm in duplex |
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| Black print quality | Up to 1,200 x 1,200 dpi (HP ImageREt 4800) · Enhanced 600 x 600 dpi · Fine lines 1,200 x 1,200 dpi · Quick view 300 x 300 dpi |
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| Colour print quality | Up to 1,200 x 1,200 dpi (HP ImageREt 4800) · Enhanced 600 x 600 dpi · Fine lines 1,200 x 1,200 dpi · Quick view 300 x 300 dpi |
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| Duty cycle | Up to 150,000 pages per month (A4) |
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| Connectivity | 1 Hi-Speed USB 2.0 device port; 2 rear Hi-Speed USB 2.0 ports (host); 1 walk-up USB 2.0 port (host); 1 Gigabit/Fast Ethernet 10/100/1000 Base-TX network port; 1 hardware integration pocket, 2nd generation (HIP2) |
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| Mobile printing | HP ePrint, Apple AirPrint, Mopria, Google Cloud Print, HP Roam |
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| Display | 6.86 cm (2.7 inches) QVGA LCD (colour graphics); Tilting display (adjustable angle) with 24-key numeric keypad |
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| Duplex printing | Automatic |
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| Paper tray capacity | Input: 100 sheets (multipurpose tray 1) + 550 sheets (tray 2), up to 4,450 sheets of 80 g/m² with optional 550-sheet trays and a 2,700-sheet feeder · Output: 250 sheets, 50 envelopes, 150 transparencies |
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| Supported media sizes | 100-sheet multipurpose tray 1: A3, A4, A4-R, A5, A6, RA3, SRA3, RA4, SRA4, B4 (JIS), B5 (JIS), B6 (JIS), Oficio (216 x 340 mm), 8K (270 x 390, 260 x 368, 273 x 394 mm), 16K (195 x 270, 184 x 260, 197 x 273 mm), postcards (JIS single and double), envelopes (B5, C5, C6, DL) · 550-sheet tray 2: A3, A4, A4-R, A5, RA4, SRA4, B4 (JIS), B5 (JIS), Oficio, 8K, 16K, double postcards (JIS) · Optional 1 and 2 x 550-sheet trays and stands: A3, A4, A4-R, A5, RA3, SRA3, RA4, SRA4, B4 (JIS), B5 (JIS), Oficio, 8K, 16K, double postcards (JIS) · Optional 2,700-sheet HCI tray: A4 · Custom size: tray 1 from 64 x 127 mm to 320 x 457.2 mm, tray 2 from 148 x 148 mm to 297 x 431.8 mm, optional trays from 148 x 148 mm to 320 x 457.2 mm |
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| Supported media types | Paper (plain, heavy, extra heavy, glossy, light, recycled, tough), envelopes, labels, glossy film, cardstock, transparencies |
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| Dimensions (W x D x H) | 556 x 589 x 399 mm, 1,051 x 992 x 443 mm with trays and covers extended (786 x 736 x 558 mm packaged) |
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| Net weight | 45.1 kg (52.9 kg packaged) |
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| Installed memory | 1.5 GB, expandable to 2 GB · Optional 500 GB encrypted hard drive |
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| Compatible operating systems | Windows 10, 8.1, 8 (Basic, Pro, Enterprise, Enterprise N), 7 Starter SP1 and 7 Ultimate (UPD), 32/64-bit · iOS, Android · macOS Sierra 10.12, High Sierra 10.13, Mojave 10.14 · separate PCL6 driver, UPD PCL6/PS drivers (full list: hp.com/go/upd) |
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| Box contents | HP Color LaserJet Enterprise M751dn printer; Four preinstalled HP LaserJet toners (1 of each: black, cyan, yellow, magenta); Four preinstalled genuine HP LaserJet imaging drums (65,000 pages per colour); Getting started guide; 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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