HP Smart Tank Plus 551 Overview

HP Smart Tank Plus 551 Wireless All-in-One (6HF11A)

Overview

High-quality, high-capacity printing with faster connections[2] and
easy mobile printing.[3]

This cartridge-free printer with an automatic document feeder plus
fax delivers uncompromising quality and up to 3 years of ink
included in the box.[1][4] Get faster connections with dual-band Wi­Fi,[2] and easy mobile printing with HP Smart app.[3]

Pay up front and save on basic home
printing

Get up to 12000 black pages or up to 8000
color pages.[10]

Reliable connectivity with dual-band
Wi-Fi

Get faster, more reliable connections with
dual-band Wi-Fi®.[2]

Remote printing and scanning with HP
Smart app

Quickly access and print documents and
images on your smartphone, from Dropbox
and Google Drive.[3]

Features

Your reliable connection

[2]

Print, scan, and copy anywhere

[3]

Exceptional HP quality

Achieve high speeds for all your prints

[7]

Convenient ink management

Engineered for high-volume printing

[10]

[2] Wireless operations are compatible with 2.4 GHz and 5.0 GHz operations only. Learn more at
hp.com/go/mobileprinting. Wi-Fi is a registered trademark of Wi-Fi Alliance®. Supports both 5.0 GHz and 2.4
GHz using up to 12 non-overlapping channels vs only 3 non-overlapping channels for 2.4 GHz only. Supports

5.0 GHz band (up to 150 mbps) vs 2.4 GHz band (up to 72.2 mbps).

[3] Requires the HP Smart app download. For details on local printing requirements see
http://hp.com/go/mobileprinting.

[4] Based up on 200 pages per month usage. Actual yield varies considerably based on content of printed
pages and other factors. Average based on ISO/IEC 24711 or HP testing methodology and continuous printing.
Some ink from included bottles is used to start up the printer. For details see
http://www.hp.com/go/learnaboutsupplies.

[7] Compared with HP Smart Tank/Ink Tank All-in-One Printer series. Excludes first set of ISO test pages. For
details, see http://hp.com/go/printerclaims.

[10] Black and composite color average per bottle (cyan/magenta/yellow) Two 32XL (EMEA DM) GT53XL
(LAR) black bottles included in the box print up to 6000 test pages each. Results based on HP methodology
and continuous printing of ISO/IEC 24712 test pages. Not based on ISO/IEC 24711 test process. An additional
black ink bottle may be required to print 8000 color test pages. Actual yield varies based on content of printed
pages and other factors. Some ink from included bottles is used to start up the printer. For more information
about fill and yield, see: http://www.hp.com/go/learnaboutsupplies.

Specications

Print quality black (best) Up to 1200 x 1200 rendered dpi

Print quality color (best)

Up to 4800 x 1200 optimized dpi color when printing from a computer
and 1200 input dpi

Print speed black (ISO, A4) Up to 11 ppm

Print speed black (ISO, letter) Up to 11 ppm

Print Speed Color (ISO) Up to 5 ppm

Print speed Print speed up to 11 ppm (black) and 5 ppm (color)

Functions Print, scan, copy, wireless

Duplex printing Manual (driver support provided)

Duty cycle (monthly, A4) Up to 1000 pages

Duty cycle (monthly, letter) Up to 1000 pages

Energy savings feature
technology

HP Auto-Off Technology

Replacement cartridges

NA/AP DM: HP 32XL 135-ml Black Original Ink Bottle (1VV24AA); HP 32 90­ml Black Original Ink Bottle (1VV25AA); HP 31 70-ml Cyan Original Ink
Bottle (1VU26AA); HP 31 70-ml Magenta Original Ink Bottle (1VU27AA); HP

31 70-ml Yellow Original Ink Bottle (1VU28AA)

[6]

Connectivity, standard Hi-Speed USB 2.0, Wi-Fi, Bluetooth LE

Modem Not Supported

Network capabilities Yes (via Wi-Fi)

Wireless capability Yes, built-in dual band Wi-Fi 802.11b/g/n, Wireless direct, BLE

Mobile printing capability

HP Smart app; Apple AirPrint™; Fire™; Google Cloud Print 2.0; Android
printing; Mopria™-certied; Wireless Direct Printing

Network protocols, supported 9100, SNMP, SLP, IPP, WS-Print, Wireless, LPR

Software included HP Printer Software, HP Update, HP Photo Creations

Compatible Operating Systems

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

(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)

Sustainable impact specications No

Energy star certied No

Digital sending standard features Everyday scan (scan to PDF); HP Smart Tasks

Scan speed (normal, A4) Up to 3 ppm color; up to 5 ppm, mono

Scan speed (normal, letter) Up to 3 ppm color; up to 5 ppm, mono

Scan le format JPEG, TIFF, PDF, BMP, PNG

Scan input modes Front Panel Scan; Copy; HP Software; EWS

Scan technology Contact Image Sensor (CIS)

Scanner type Flatbed only

Display 7 segment + 2-inch icon display

Minimum dimensions (W x D x H) 447 x 373 x 158 mm

Minimum dimensions (W x D x H) 17.6 x 14.7 x 6.2 in

Weight 5.14 kg

Weight 11.34 lb

Power consumption

0.12 watts (manual-off), 3.12 watts (ready), 0.75 watt (sleep)

[2]

Power supply type Internal built in

What's in the box

HP Smart Tank Plus 551 Wireless All-in-One; HP 32XL 135-ml Black Original
Ink Bottle; HP 31 70-ml Cyan Original Ink Bottle; HP 31 70-ml Magenta
Original Ink Bottle; HP 31 70-ml Yellow Original Ink Bottle; Ink caution yer;
Repacking yer; Setup guide; Reference guide; Regulatory yer; PT yer;
RoH-EAC Regulatory yer; Power cord [For more information about ll and
yield, see http://www.hp.com/go/learnaboutsupplies]

Warranty

One year of 24/7 world-class technical support services through
http://www.hp.com/support; One-year or 30,000 pages limited hardware
warranty, whichever is earlier from the date of purchase; user replaceable
parts have separate warranty periods

Additional specications

Accessories None

Acoustic power emissions (active,
printing)

6.5 B(A)

Acoustic pressure emissions 51 dB

Automatic paper sensor No

Bit depth 24-bit

Borderless printing Yes (up to 8.5 x 11 in, 210 x 297 mm)

Bottom margin (A4) 3 mm

Cable included Power cable only

Camera phone description Direct printing from camera phone via Wireless or Wireless Direct

Color copy capability Yes

Color scanning Yes

Color(s) of printing supplies Black; Cyan; Magenta; Yellow

Compliance alliances None

Control panel

4 LEDs and 7 buttons (cancel, resume, color copy, black copy, wi, info,
power button), with one ICON LCD for display

Copier settings

Number of Copies, Resize, Quality, Lighter/Darker, Papersize, Papertype, ID
Copy, Enhancement

Copies, maximum Up to 99 copies

Copy reduce / enlarge settings 25 to 400%

Copy resolution (black graphics) Up to 600 dpi

Copy resolution (black text) Up to 600 dpi

Copy resolution (color text and
graphics)

Up to 600 dpi

Copy speed black (ISO) Up to 10 cpm

Copy speed color (ISO) Up to 2 cpm

Count of cartons per pallet layer 12

Count of layers in pallet 5

Country of origin Product of China

Dimensions with trays up (W x D x
H)

447 x 373 x 158 mm

Distinctive ring detection
supported

No

Electromagnetic compatibility

CISPR 32:2015/EN 55032:2015 Class B; CISPR24:2010/EN 55024:2010; EN
61000-3-2:2014; EN 61000-3-3:2013; FCC CFR 47 Part 15B; ICES­003,2016 Issue 6; EN 301 489-1 V2.1.1:2017; EN 301 489-17 V3.1.1:2017

Enhanced scanning resolution Up to 1200 dpi

Envelope Feeder No

Exifprint supported No

File Format Supported BMP; PDF; JPG; PNG; TIF

Finished output handling Sheetfed

First page out black (A4, ready) As fast as 14 sec

First page out black (letter, ready) As fast as 14 sec

First page out color (A4, ready) As fast as 21 sec

First page out color (letter, ready) As fast as 21 sec

First page out footnote For details see: http://www.hp.com/go/printerclaims

Geographic availability NC, NLD, PT, AU, NZ

Image scaling or enlargement
range

25 to 400%

Ink types Pigment-based (black); Dye-based (color)

Input capacity Up to 100 sheets

Left margin (A4) 3 mm

Levels of grayscale 256

Mac compatible Yes

Maximum Input Capacity
(envelopes)

Up to 10 envelopes

Maximum Memory 256 MB

Maximum dimensions (W x D x H) 17.7 x 23.8 x10.18 in

Maximum dimensions (W x D x H) 449x605.65 x 258.7

Maximum input capacity
(10x15cm photos)

Up to 30 sheets

Maximum input capacity (4x6
photo)

Up to 30 sheets

Maximum input capacity (cards) Up to 30 cards

Maximum input capacity (labels) Up to 10 sheets

Maximum input capacity (photo
paper)

Up to 30 sheets

Maximum input capacity (sheets) Up to 100 sheets

Maximum output capacity (cards) Up to 30 cards

Maximum output capacity
(envelopes)

Up to 10 envelopes

Maximum output capacity (labels) Up to 30 sheets

Maximum output capacity (photo
paper)

Upto 30 sheets

Maximum output capacity (sheets) Up to 30 sheets

Maximum print area 216 x 355 mm

Media sizes supported A4; B5; A6; DL envelope, legal

Media sizes supported Letter; legal; 4 x 6 in; 5 x 7 in; 8 x 10 in; No. 10 envelopes

Media sizes supported, key 4 x 6 in; Letter; Legal; Envelopes

Media sizes supported, key 10 x 15 cm; A4; Envelopes

Media sizes, custom 3 x 5 in to 8.5 x 14 in

Media sizes, custom 76.2 x 127 mm to 215.9 x 355.6 mm

Media types

Plain paper, Matte Brochure Papers, Glossy Brochure Papers, Photo
papers, Envelopes, Other specialty inkjet papers

Media weight, recommended 75 g/m²

Media weight, recommended 20 lb

Media weight, supported

Plain paper: 16 to 24 lb; Envelopes: 20 to 24 lb; Cards: up to 110 lb; Photo
paper: up to 80 lb

Media weight, supported

Plain paper: 60 to 90 g/m²; Envelopes: 75 to 90 g/m²; Cards: up to 200
g/m²; Photo paper: up to 300 g/m²

Memory 256 MB; Integrated memory

Memory Slots No

Memory card compatibility No

Minimum System Requirements

Windows 10, 8.1, 8, 7: 1 GHz 32-bit (x86) or 64-bit (x64) processor, 2 GB
available hard disk space, Internet connection, USB port, Internet
Explorer.

Minimum System Requirements
for Macintosh

OS X v10.11 El Capitan and above, Internet Access

Multitasking supported No

Non-Operating Humidity Range 5 to 90% RH (non-condensing)

Number of print cartridges 4 (1 each black bottle, set of 3 color bottles)

Number of users 1-3 Users

Operating humidity range 15 to 80% RH (non-condensing)

Operating temperature range 41 to 104°F

Operating temperature range 5 to 40°C

Orderable supplies

NA/AP DM: HP 32XL 135-ml Black Original Ink Bottle (1VV24AA); HP 32 90­ml Black Original Ink Bottle (1VV25AA); HP 31 70-ml Cyan Original Ink
Bottle (1VU26AA); HP 31 70-ml Magenta Original Ink Bottle (1VU27AA); HP
31 70-ml Yellow Original Ink Bottle (1VU28AA)

Output capacity Up to 30 sheets

Output le format JPEG

Package dimensions (W x D x H) 495 x 198 x 480 mm

Package dimensions (W x D x H) 19.49 x 7.8 x 18.9 in

Package weight 7.25 kg

Package weight 15.99 lb

Pallet dimensions 47.24 x 39.37 x 94.39 in

Pallet dimensions (W x D x H) 1200 x 1000 x 2400 mm

Pallet weight 958 lb

Pallet weight 435 kg

Paper handling input, standard 100-sheet input tray

Paper handling output, standard 30-sheet output tray

Paper trays, maximum 1

Paper trays, standard 1

Photo proofsheets supported No

PictBridge description No

PictBridge supported No

Plug and play Set up from mobile device; Wi-Fi Protected Setup (WPS)

Power

Input voltage 100 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz). High voltage:
Input voltage 200 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3Hz)

Print Technology Ink

Print colors Yes

Print colors maximum 4

Print head nozzles 704 (Black), 588 (Tri-color)

Print heads 2 (1 each black, tri-color)

Print languages HP PCL 3 GUI

Print speed black (ISO) Up to 11 ppm

Print speed black (draft, A4) Up to 22 ppm

Print speed black (draft, letter) Up to 22 ppm

Print speed color (ISO) Up to 5 ppm

Print speed color (draft, A4) Up to 16 ppm

Print speed color (draft, letter) Up to 16 ppm

Print speed color (normal, 10x15
photo)

As fast as 76 sec

Print speed color (normal, 4x6
photo)

As fast as 76 sec

Print technology HP Thermal Inkjet

Printer drivers included HP PCL 3 GUI

Processor speed 800 MHz

Product color Light Basalt

Product logos

Air Print; Android; Windows; Google Cloud Print Ready; USB high speed;
WiFi certied; Mopria; PAP 20; SmartWay (NA only); Fragile; Keep out of
Rain; This side up; stacking height (7); Bluetooth LE

Quantity per pallet 60

RMN number SNPRC-1804-01

Recommended Macintosh system
requirements

OS X v10.11 El Capitan and above, Internet Access

Recommended monthly page
volume

400 to 800

Recommended operating humidity
range

20 to 80% RH

Recommended operating
temperature range

15 to 30°C

Recommended operating
temperature range

59 to 86°F

Right margin (A4) 3 mm

Safety

IEC 60950-1 & IEC 62368-1 compliant; Safety UL listed; EU LVD and EN
60950 & EN 62368 compliant; UL GS approved

Scan resolution, hardware Up to 1200 x 1200 dpi

Scan resolution, optical Up to 1200 dpi

Scan size, maximum 216 x 297 mm

Scan size, maximum 8.5 x 11.69 in

Security management No

Send to email capability No

Service & support features

With services, software, solutions and support from HP Total Care, you
can use, protect and enjoy your HP technology; one-year technical
support; one-year or 30,000 pages limited hardware warranty, whichever
is earlier from the date of purchase; user replaceable parts have separate
warranty periods; access to 24/7 world-class support services through
http://www.hp.com/support; to improve your product experience, please
take the time to register at http://www.register.hp.com. CHINA ONLY
WARRANTY STATEMENT: With services, software, solutions and support
from HP Total Care, you can use, protect and enjoy your HP technology;
one-year technical support; one-year limited hardware warranty; user
replaceable parts have separate warranty periods; access to 24/7 world­class support services through http://www.hp.com/support; to improve
your product experience, please take the time to register at
http://www.register.hp.com

Service & support options

Protect your investment—HP Total Care offers a variety of extended
warranties and services, go to http://www.hp.com/support

Standard input capacity (cards) Up to 30 cards

Standard input capacity
(envelopes)

Up to 10

Standard input capacity (legal) Up to 100 sheets

Standard media sizes (duplex) A4; B5

Standard media sizes (duplex,
imperial)

Letter; Executive

Standard output capacity (cards) Up to 30 cards

Standard output capacity
(envelopes)

Up to 10 envelopes

Standard output capacity (labels) Up to 10 sheets

Standard output capacity (legal) Up to 30 sheets

Storage altitude 15,000 ft

Storage device and direct print
support

Wireless Direct Printing

Storage temperature range -40 to 60°C

Storage temperature range -40 to 140°F

Sub-brand name Smart Tank

SureSupply supported Yes

System requirements,
recommended

Windows 10, 8.1, 8, 7: 1 GHz 32-bit (x86) or 64-bit (x64) processor, 2 GB
available hard disk space, Internet connection, USB port, Internet
Explorer.

Target user and print volume For teams up to 3 users; Prints up to 800 pages/month

Tariff numbers NA/EMEA: 8443310000; AP:8443319010

Telecom compliance (fax
capability)

EN 300 328 V2.1.1:2016; EN 301 893 V2.1.0:2021

Top key features Scan to PDF

Top margin (A4) 3 mm

Twain version Version 2.1

Typical electricity consumption
(TEC) number

0.13 kWh/Week

UPC number (B1H) 194441263794; (BGM) 193808610455

Vertical alignment accuracy +/- 0.0008 in

Vertical alignment accuracy +/- 0.02 mm

Video action printing note No

Video action printing supported No

[2] Power requirements are based on the country/region where the printer is sold. Do not convert operating
voltages. This will damage the printer and void the product warranty.

[6] Average based on ISO/IEC 24711 or HP testing methodology and continuous printing. Actual yield varies
considerably based on content of printed pages and other factors. For details see
http://hp.com/go/learnaboutsupplies

★ : Recommended

Services

HP Care Pack Services

Imaging and Printing Consumer Care Pack Services

HP 2 year Next Business Day Exchange Service for MFP Page Limit U9NQ9E 

★ : Recommended

Ink/Toner/Paper/Printer Supplies

Ink Supplies

HP Inkjet Printer Cartridges and Ink Supplies

HP 31 70-ml Cyan Original Ink Bottle 1VU26AE 

HP 31 70-ml Cyan Original Ink Bottle 1VU26AN 

HP 31 70-ml Magenta Original Ink Bottle 1VU27AE 

HP 31 70-ml Magenta Original Ink Bottle 1VU27AN 

HP 31 70-ml Yellow Original Ink Bottle 1VU28AE 

HP 31 70-ml Yellow Original Ink Bottle 1VU28AN 

HP 32XL 135-ml Black Original Ink Bottle 1VV24AA 

HP 32XL 135-ml Black Original Ink Bottle 1VV24AE 

HP 32XL 135-ml Black Original Ink Bottle 1VV24AN 

HP 6ZA17AE Black Printhead 6ZA17AE 

HP 6ZA18AE Tri-color Printhead 6ZA18AE 

HP GT52 Cyan Original Ink Bottle M0H54AE 

HP GT52 Magenta Original Ink Bottle M0H55AE 

HP GT52 Yellow Original Ink Bottle M0H56AE 

HP GT53 90-ml Black Original Ink Bottle 1VV22AA 

HP GT53 90-ml Black Original Ink Bottle 1VV22AL 

HP GT53XL 135-ml Black Original Ink Bottle 1VV21AA 

HP GT53XL 135-ml Black Original Ink Bottle 1VV21AE 

HP M0H50A Tri-color Replacement GT Printhead M0H50AA 

HP M0H50A Tri-color Replacement GT Printhead M0H50AL 

HP M0H51A Black Replacement GT Printhead M0H51AA 

HP M0H51A Black Replacement GT Printhead M0H51AL 

HP X4E75A Black Inktank Printhead X4E75AA 

HP X4E75A Black Inktank Printhead X4E75AL 

HP Paper Designed for Inkjet Printers

HP Inkjet Photo Paper

HP Advanced Glossy Photo Paper-25 sht/4 x 6 in borderless 3AG54A 

HP Advanced Glossy Photo Paper-25 sht/5 x 7 in 3AG55A 

HP Matte Photo Paper-25 sht/10 x 15 cm 7HF70A 

HP Matte Photo Paper-25 sht/4 x 6 in 6QH46A 

HP Inkjet Brochure Paper

HP Enhanced Business Inkjet Matte FSC Paper 150 gsm-150 sht/Letter/8.5 x
11 in

9ZE20A 

HP Professional Inkjet Paper

HP Professional Inkjet Matte FSC Paper 180 gsm-150 sht/A4/210 x 297 mm 7MV79A 

HP Paper for Multiple Uses

HP Multi-use Professional Paper

HP Professional Multi-use Glossy FSC Paper 180 gsm-150 sht/A3/297 x 420
mm

7MV84A 

HP Professional Multi-use Glossy FSC Paper 180 gsm-150 sht/Letter/8.5 x 11
in

Q1987A 

HP Professional Multi-use Glossy FSC Papers 180 gsm-150 sht/A4/210 x 297
mm

3VK91A 

HP Professional Multi-use Glossy Tri-fold FSC Paper 180 gsm-150 sht/8.5 x 11
in

4WN12A 

Disclaimer — Copyright

© Copyright 2020 HP Development Company, L.P. The information contained herein is subject to change without
notice. The only warranties for HP products and services are set forth in the express warranty statements
accompanying such products and services. Nothing herein should be construed as constituting an additional
warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

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