| Colour | Yes |
| Print technology | Laser |
| Duplex printing | Yes |
| Duplex printing mode | Auto |
| Maximum resolution | 1200 x 1200 DPI |
| Print resolution colour | 1200 x 1200 DPI |
| Print resolution black | 1200 x 1200 DPI |
| Print speed (black, normal quality, A4/US Letter) | 56 ppm |
| Print speed (colour, normal quality, A4/US Letter) | 56 ppm |
| Print speed (black, normal quality, A3) | 26 ppm |
| Print speed (colour, normal quality, A3) | 26 ppm |
| Warm-up time | 150 s |
| Time to first page (black, normal) | 5.9 s |
| Time to first page (colour, normal) | 6.3 s |
| Watermark printing | Yes |
| Secure printing | Yes |
| Maximum duty cycle | 250000 pages per month |
| Recommended duty cycle | 0 - 50000 pages per month |
| Printing colours | Black, Cyan, Magenta, Yellow |
| Number of print cartridges | 4 |
| Page description languages | PCL 5, PCL 6, PDF 1.7, PostScript 3 |
| Printer fonts | Scalable, Barcode, TrueType, Windows |
| Country of origin | Japan |
| Replacement cartridges | W2010A HP 659A Black LaserJet Toner Cartridge (16,000 pages); W2011A HP 659A Cyan LaserJet Toner Cartridge (13,000 pages); W2012A HP 659A Yellow LaserJet Toner Cartridge (13,000 pages); W2013A HP 659A Magenta LaserJet Toner Cartridge (13,000 pages); W2010X HP 659X Black LaserJet Toner Cartridge (34,000 pages); W2011X HP 659X Cyan LaserJet Toner Cartridge (29,000 pages); W2012X HP 659X Yellow LaserJet Toner Cartridge (29,000 pages); W2013X HP 659X Magenta LaserJet Toner Cartridge (29,000 pages); W2004A HP 660A Original LaserJet Imaging Drum (65,000 pages, universal for all 4 colours) |
| HP segment | Business |
| Total number of input trays | 2 |
| Total input capacity | 650 sheets |
| Total output capacity | 500 sheets |
| Paper tray 1 input capacity | 100 sheets |
| Paper tray 2 input capacity | 550 sheets |
| Paper input type | Paper tray |
| Multi-Purpose tray | Yes |
| Multi-Purpose tray input capacity | 100 sheets |
| Maximum number of input trays | 6 |
| Maximum input capacity | 4450 sheets |
| Maximum output capacity | 500 sheets |
| Maximum ISO A-series paper size | A3 |
| Paper tray media types | Card stock, Envelopes, Glossy paper, Heavy paper, Labels, Plain paper, Recycled paper, Thick paper, Transparencies |
| ISO A-series sizes (A0...A9) | A3, A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5 |
| ISO C-series sizes (C0...C9) | C5, C6 |
| Non-ISO print media sizes | Oficio, 16K |
| JIS B-series sizes (B0...B9) | B4, B5, B6 |
| Envelopes sizes | B5, C5, C6, DL |
| Custom media width | 64 - 320 mm |
| Custom media length | 127 - 457.2 mm |
| Paper tray media weight | 60 - 256 g/m² |
| Multi-Purpose Tray media weight | 60 - 300 g/m² |
| Direct printing | Yes |
| USB port | Yes |
| USB 2.0 ports quantity | 3 |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Network ready | Yes |
| Cabling technology | 10/100/1000Base-T(X) |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Security algorithms | EAP-TLS, FIPS 140, FIPS 140-2, IPSec, PEAP, SNMPv3, SSL/TLS, WPA2-Enterprise |
| Mobile printing technologies | Apple AirPrint, Google Cloud Print, HP ePrint, Mopria Print Service |
| Internal memory | 1536 MB |
| Maximum internal memory | 3584 MB |
| Memory slots | 1 |
| Internal storage capacity | 16 GB |
| Built-in processor | Yes |
| Processor frequency | 1200 MHz |
| Sound pressure level (printing) | 53 dB |
| Sound power level (printing) | 6.8 dB |
| Market positioning | Business |
| Product colour | White |
| Built-in display | Yes |
| Display | CGD |
| Colour display | Yes |
| Display diagonal | 10.9 cm (4.3") |
| Touchscreen | Yes |
| Control type | Touch |
| Certification | CISPR 22:2008 (International) - Class A, CISPR 32:2012 (International) - Class A, EN 55032:2012 (EU) - Class A, EN 61000-3-2:2014, EN 61000-3-3:2013, EN 55024:2010, EMC Directive 2014/30/EU. Other EMC approvals as required by individual countries. |
| Power consumption (printing) | 870 W |
| Power consumption (ready) | 77 W |
| Power consumption (PowerSave) | 0.08 W |
| Power consumption (off) | 0.08 W |
| Energy Star Typical Electricity Consumption (TEC) | 0.725 kWh/week |
| AC input voltage | 220 - 240 V |
| AC input frequency | 50/60 Hz |
| Windows operating systems supported | Windows 10, Windows 8.1, Windows 7 Starter, Windows 7 Ultimate |
| Mac operating systems supported | Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.13 High Sierra |
| Linux operating systems supported | Yes |
| Other operating systems supported | Android, iOS |
| Operating temperature (T-T) | 10 - 32.5 °C |
| Storage temperature (T-T) | -20 - 40 °C |
| Operating relative humidity (H-H) | 10 - 80% |
| Sustainability certificates | Blue Angel, ENERGY STAR, EPEAT Silver |
| Sustainable technologies and materials | Mercury free |
| Doesn't contain | Mercury |
| Sustainability compliance | Yes |
| Total carbon footprint (kg of CO2e) | 810 |
| Carbon emissions, manufacturing (kg of CO2e) | 514 |
| Carbon emissions, logistics (kg of CO2e) | 68 |
| Total carbon emissions, w/o use phase (kg of CO2e) | 206 |
| Width | 556 mm |
| Depth | 610 mm |
| Height | 520 mm |
| Weight | 52.3 kg |
| Pallet dimensions (W x D x H) | 790 x 760 x 2107 mm |
| Package width | 786 mm |
| Package depth | 736 mm |
| Package height | 652 mm |
| Package weight | 59.5 kg |
| Cartridge(s) included | Yes |
| Included cartridge capacity (black) | 16000 pages |
| Included cartridge capacity (CMY) | 13000 pages |
| Quick start guide | Yes |
| Cables included | AC |
| HP ePrint | Yes |
| HP Web Jetadmin | Yes |
| HP Auto-On/Auto-Off | Yes |
| HP Dynamic security | Yes |
| HP GTIN (EAN/UPC) with options | (ABT) 193015438231; (ABY) 193015438248; (ACQ) 193015438255; (B13) 193015438262; (B19) 193015438279; (BAZ) 193015438286 |
| HP GTIN (EAN/UPC) | 193015438231, 193015438248, 193015438255, 193015438262, 193015438279, 193015438286 |
| Harmonized System (HS) code | 84433210 |
| Pallet gross weight | 188.44 g |
| Layers per pallet | 3 pc(s) |
| Products per pallet | 3 pc(s) |
| Master (outer) cases per pallet layer | 1 pc(s) |
| General Product Safety Regulation (GPSR) URL | https://support.hp.com/gb-en/product/setup-user-guides/hp-color-laserjet-enterprise-m856-printer-series/model/21298870?sku=T3U51A ; https://h10032.www1.hp.com/ctg/Manual/c06366062.pdf |
| Recommended system requirements | 2 GB available hard disk space, Internet connection, USB port, Internet browser. |
| Recommended humidity operating range | 30 - 70% |
| Acoustic power emissions (ready) | 49 dB |
| Acoustic pressure emissions bystander (ready) | 33 dB |