Functions	Print
Print speed, maximum	21 sec/page for D size, 120 D size prints per hour
Resolution (color)	Up to 2400 x 1200 optimized dpi
Print Technology	HP Thermal Inkjet
Number of print cartridges	4 (C, M, Y, mK) cartridges
Compatible ink types	Pigment-based (C, M, Y, mK)
Print languages	TIFF, JPEG, URF, PDF, HP-GL/2, HP-RTL, CALS G4
Connectivity, standard	Gigabit Ethernet (1000Base-T), Wi-Fi 802.11b/g/n
Network ready	Standard
Memory, standard	1 GB
Hard disk	None
Non-printable area (cut-sheet)	0.2 x 0.2 x 0.2 x 0.2 in
Line accuracy	±0.1%
Maximum optical density (black)	15 L* min/1.7 D
Finished output handling	Roll feed, automatic sheet feeder (50 sheet capacity), media bin, automatic horizontal cutter, sheet organizer (optional accessory)
Media sizes supported	Auto sheet feeder: A, B Manual feed: A, B, C, D
Media sizes supported	Auto sheet feeder: A4, A3 Manual feed: A4, A3, A2, A1
Media sizes, custom	Auto sheet feeder: 8.3 x 11 to 12 x 18 in Manual feed: 8.3 x 11 to 24 x 66 in
Media types	Bond and coated paper (bond, coated, heavyweight coated, plain, bright white, blueprint), technical paper (natural tracing), film (clear, matte, backlit), photographic paper (ID satin, ID gloss), self-adhesive (matte/gloss, polypropylene gloss, removable fabric), banner (polypropylene matte, PVC banner), fine art material (canvas)
Recommended media weight	0.01 to 0.057 lb/ft² (roll/manual feed) 0.01 to 0.045 lb/ft² (auto sheet feeder)
Media sizes, standard	14.5 to 24 in
Roll external diameter	5.1 in (rolls up to 300 ft)
Media thickness	Up to 11.8 mil
Power	Input voltage (auto ranging): 100-240 V (±10%), 50/60 Hz (±3 Hz), 1.2 A max
Power consumption	35 W (printing), <5.5 W (ready), <2.5 W (sleep), <0.2 W (off) auto-scheduled printer on/off usage
Operating temperature range	41 to 104°F
Warranty	Two-year limited hardware warranty.
Software included	HP Click Driver for Windows 11, HP Click App for Windows and Mac, HP App for Windows, Mac, Android and iOS, PartnerLink
Dimensions (W X D X H)	43.3 x 27.1 x 36.8 in
Weight	85 lb
Package weight	104 lb
What's in the box	HP DesignJet T870 Printer, printhead, introductory ink cartridges, printer stand, spindle, guide, warranty flyer, power cord
Recommended Media	HP Universal Bond Paper (FSC® certified) (recyclable) HP Coated Paper (FSC® certified) (recyclable) HP Heavyweight Coated Paper (FSC® certified) (recyclable) HP Recycled Removable Adhesive Fabric HP Opaque Scrim Banner HP Production Matte Canvas HP Backlit Polyester Film HP Universal Instant-dry Gloss Photo Paper (FSC® certified) HP Universal Instant-dry Satin Photo Paper (FSC® certified) HP Everyday Matte Polypropylene