Operating system
Supported operating system
Windows 10, 8.1, 8, 7
OS X v10.11 El Capitan, macOS Sierra v10.12 (previously OS X), macOS High Sierra v10.13, macOS Mojave v10.14
Processor & chipset
Scan, copy & fax
Copy colour
Yes
Copy features
Number of Copies, Resize, Quality, Lighter/Darker, Papersize, Papertype, ID Copy, Enhancement
Copy max pages
Up to 99 copies
Copy resize
25 to 400%
Copy resolution
Up to 600 dpi
Multifunction
No
Ring detection
No
Scan colour
Yes
Scan colour depth
24-bit
Scan features
Contact Image Sensor (CIS)
Scan file formats
JPEG, TIFF, PDF, BMP, PNG
Scan resize
25 to 400%
Scan resolution (Hardware)
Up to 1200 x 1200 dpi
Scan resolution (Optical)
Up to 1200 dpi
Scan speed (Colour, Normal)
Up to 3 ppm color; up to 5 ppm, mono
Printing
Key differentiator
HP Thermal Inkjet
Duplex
Manual (driver support provided)
Print speed (Black, Normal)
Up to 11 ppm
Print speed (Colour, Normal)
Up to 5 ppm
Print cartridge count
4 (1 each black bottle, set of 3 color bottles)
Print cartridges
Ink
Borderless printing
Yes (up to 8.5 x 11 in, 210 x 297 mm)
Duty cycle (print)
Up to 1000 pages
Envelope feeder
No
Ink type
Dye-based (black); Pigment-based (color)
Media input card (Max)
Up to 30 cards
Media input card (Normal)
Up to 30 cards
Media input envelope (Normal)
Up to 10 envelopes
Media input label (Max)
Up to 10 sheets
Media input photo (Max)
Up to 30 sheets
Media input photo 4x6 (Max)
Up to 30 sheets
Media input sheet (Max)
Up to 100 sheets
Media input sheet (Normal)
Up to 100 sheets
Media output card (Max)
Up to 30 cards
Media output card (Normal)
Up to 30 cards
Media output envelope (Max)
Up to 10 envelopes
Media output envelope (Normal)
Up to 10 envelopes
Media output label (Max)
Up to 30 sheets
Media output label (Normal)
Up to 10 sheets
Media output photo (Max)
Up to 30 sheets
Media output sheet (Normal)
Up to 30 sheets
Paper sensor
No
Paper tray (Max)
1
Paper tray (Normal)
1
Print colour
Yes
Print head nozzles
704 (Black), 588 (Tri-color)
Print heads
2 (1 each black, tri-color)
Print media
Plain paper, Matte Brochure Papers, Glossy Brochure Papers, Photo papers, Envelopes, Other specialty inkjet papers
Print media size
216 x 355 mm
Resolution (Black, Best)
Up to 1200 x 1200 rendered dpi
Resolution (Colour, Best)
Up to 4800 x 1200 optimized dpi color when printing from a computer and 1200 input dpi
Dimensions & weight
Dimensions
447 x 373 x 158 mm
Weight
5.14 kg
Memory
Memory
256 MB; Integrated memory
Memory (max)
256 MB
Memory slots
No
Memory (standard)
256 MB
Display & graphics
Display
7 segment + 2-inch icon display
Screen size
5.1 cm (2")
Display depth
373.4 mm
Display height
157.5 mm
Display width
447 mm
Networking & connectivity
Wireless
Yes, built-in dual band Wi-Fi 802.11b/g/n, Wireless direct, BLE
Controller
Yes (via Wi-Fi)
Data rate
Not Supported
Protocols
9100, SNMP, SLP, IPP, WS-Print, Wireless, LPR
Wireless LAN
Wireless
Wireless technology
Hi-Speed USB 2.0, Wi-Fi, Bluetooth LE
Power, battery & charging
Power supply type
Internal built in
Input voltage
120 V AC, 230 V AC
Power consumption
0.12 watts (manual-off), 3.12 watts (ready), 0.75 watt (sleep)
Power consumption (Active)
0.13 kWh/Week
Power source
AC Supply
Exterior & appearance
Colour
Light Basalt
Form factor
Desktop
Environment & regulatory
Energy efficiency
Yes
Humidity (Non-operating)
15 to 80% RH (non-condensing)
Humidity (Operating)
20 to 80% RH
Safety
No
Temperature (Non-operating)
5 to 40°C
Temperature (Operating)
15 to 30°C
Packaging
What's in box
- Smart Tank Plus 551 Wireless All-in-One
- 32XL 135-ml Black Original Ink Bottle
- 31 70-ml Cyan Original Ink Bottle
- 31 70-ml Magenta Original Ink Bottle
- 31 70-ml Yellow Original Ink Bottle
- Power Cord
Product info
Brand
HP
Product line
Smart Tank Plus
Product name
HP Smart Tank Plus 551 All-in-One Printer
Product model
551
Product series
550
Product type
Inkjet Multifunction Printer
Vendor
HP Inc.
Vendor code
6HF11A
Vendor site
Security & management
Service & support
Compatibility
OS X v10.11 El Capitan and above, Internet Access
Warranty
3 years exchange warranty
Warranty
1 year
Other