HP 4WF66A

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HP Smart Tank 790 All-in-One Printer reviews

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HP Smart Tank 790 All-in-One Printer
Pictured: 4WF66A · Image supplied through Icecat.
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Manufacturer code4WF66A

The product, explained

About the HP Smart Tank 790 All-in-One Printer

HP 4WF66A is listed in the multifunction printers category. The recorded specifications include print technology: Thermal inkjet; colour printing: Yes; duplex printing: Yes; wi-fi: Yes. This entry covers manufacturer code 4WF66A. Specifications relate to this exact source record; other editions or packages may differ.

The listed print technology is Thermal inkjet. Compare replacement consumable prices and expected page volumes alongside the purchase price. Features such as duplex printing or a scanner should be confirmed independently in the specification table.

Print technology
Thermal inkjet
Colour printing
Yes
Maximum resolution
4800 x 1200 DPI
Duplex printing
Yes
Black print speed (normal A4/Letter)
15 ppm
Largest ISO paper size
A4

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Independent perspectives

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HP Smart Tank 790 All-in-One Printer specifications

Manufacturer code: 4WF66A · Icecat product 91417270 · Checked 21 Sep 2026. Specifications belong to this exact model.

Key specifications

The main features to compare for this exact model. Missing details are not assumed.

HP Smart Tank 790 All-in-One Printer — key specifications
Print technologyThermal inkjet
Colour printingYes
Maximum resolution4800 x 1200 DPI
Duplex printingYes
Black print speed (normal A4/Letter)15 ppm
Largest ISO paper sizeA4
ScanningColour scanning
CopyingColour copying
Wi-FiYes
Ethernet LANYes

More product specifications

Open a section for the details that matter to you.

Display4 details
HP Smart Tank 790 All-in-One Printer — Display
Built-in displayYes
Screen size7.62 cm (3")
TouchscreenYes
Colour displayNo
Processor, memory & storage7 details
HP Smart Tank 790 All-in-One Printer — Processor, memory & storage
Maximum internal memory256 MB
Card reader integratedNo
Memory (RAM)256 MB
Built-in processorYes
Processor frequency800 MHz
Storage temperature (T-T)-40 - 60 °C
Storage relative humidity (H-H)5 - 90%
Camera, image & video1 detail
HP Smart Tank 790 All-in-One Printer — Camera, image & video
Image formats supportedBMP, JPEG, PNG, TIFF
Printing, scanning & paper55 details
HP Smart Tank 790 All-in-One Printer — Printing, scanning & paper
Duplex printing modeAuto
Print resolution colour4800 x 1200 DPI
Print resolution black1200 x 1200 DPI
PrintingColour printing
Print speed (colour, normal quality, A4/US Letter)9 ppm
Print speed (black, draft quality, A4/US Letter)23 ppm
Print speed (colour, draft quality, A4/US Letter)22 ppm
Print speed (ISO/IEC 24734) black15 ppm
Print speed (ISO/IEC 24734) colour9 ppm
Print margins (top, bottom, right, left)3.3 mm
Borderless printingYes
Duplex copyingYes
Maximum copy resolution600 x 600 DPI
Copy speed (black, normal quality, A4)23 cpm
Copy speed (colour, normal quality, A4)22 cpm
ID-card copy functionYes
Duplex scanningNo
Optical scanning resolution1200 x 1200 DPI
Maximum scan resolution1200 x 1200 DPI
Maximum scan area216 x 297 mm
Scanner typeFlatbed scanner
Scan technologyCIS
Scan toSoftware
Scan driversTWAIN
Duplex faxingYes
FaxingColour faxing
Fax resolution (black)300 x 300 DPI
Fax resolution (colour)200 x 200 DPI
Fax transmission speed4 sec/page
Fax memory100 pages
Fax speed dialing (max numbers)99
Fax forwardingYes
Fax delayed sendingYes
Duplex functionsFax
Number of print cartridges4
Printing coloursBlack, Cyan, Magenta, Yellow
Total number of input trays1
Total output capacity100 sheets
Auto document feeder (ADF)Yes
Auto document feeder (ADF) input capacity35 sheets
Maximum number of input trays1
Maximum output capacity100 sheets
Maximum print size216 x 355.6 mm
Paper tray media typesPlain paper, Glossy paper, Photo paper, Recycled paper, Matte paper, Lightweight paper
Non-ISO print media sizesLegal
Photo paper sizes10x15 cm
Photo paper sizes (imperial)4x6,5x7,8x10
Borderless printing media sizesA4, Letter
Paper tray media weight60 - 250 g/m²
Direct printingYes
Mobile printing technologiesMopria Print Service, Apple AirPrint
Sound pressure level (printing)59.4 dB
Sound power level (printing)6.5 dB
Custom media sizes88.9 x 127 mm to 215.9 x 355.6 mm
Number of print heads2
Connections & wireless4 details
HP Smart Tank 790 All-in-One Printer — Connections & wireless
USB portYes
USB 2.0 ports quantity1
Wi-Fi DirectYes
BluetoothYes
Power & battery6 details
HP Smart Tank 790 All-in-One Printer — Power & battery
Power consumption (sleep)1.1 W
Power consumption (off)0.1 W
Energy Star Typical Electricity Consumption (TEC)0.2 kWh/week
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Power supply typeInternal
Controls & features3 details
HP Smart Tank 790 All-in-One Printer — Controls & features
Control typeButtons, Touch
Recommended operating temperature range (T-T)15 - 30 °C
Operating temperature (T-T)5 - 40 °C
Design & dimensions9 details
HP Smart Tank 790 All-in-One Printer — Design & dimensions
Time to first page (colour, normal)16 s
Input colour depth24 bit
Custom media width88.9 - 215.9 mm
Product colourGrey
Sustainable technologies and materials25% post-consumer recycled plastic; Recyclable through HP Planet Partners
Width427.5 mm
Depth364 mm
Height240.3 mm
Weight7.7 kg
Software & compatibility11 details
HP Smart Tank 790 All-in-One Printer — Software & compatibility
Document formats supportedPDF
Windows operating systems supportedWindows 7, Windows 10, Windows 11
Mac operating systems supportedMac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura, Mac OS X 14.0 Sonoma, MacOS
Other operating systems supportedChromeOS
CertificationCISPR 32:2015/EN 55032:2015+A11:2020 Class B; CISPR24:2010+A1:2015/EN 55024:2010+A1:2015; EN55035:2017+A11:2020/CISPR35:2016; EN 61000-3-2:2019; EN 61000-3-3:2013+A1:2019; FCC CFR 47 Part 15 Subpart B; ICES-003 Issue 7:2020; EN 301 489-1 V2.2.3; EN 301 489-17 V3.2.2
Sustainability complianceYes
Bundled softwareHP Printer Software, available online
Compliance certificatesCECP
Compatible operating systemsWindows 11; Windows 10; Windows 7; macOS 10.14 Mojave; macOS 10.15 Catalina; macOS 11 Big Sur; macOS 12 Monterey; macOS 13 Ventura; macOS 14 Sonoma; Chrome OS
Junk barrier supportedY
Electromagnetic compatibilityCISPR 32:2015/EN 55032:2015+A11:2020 Class B; CISPR24:2010+A1:2015/EN 55024:2010+A1:2015; EN55035:2017+A11:2020/CISPR35:2016; EN 61000-3-2:2019; EN 61000-3-3:2013+A1:2019; FCC CFR 47 Part 15 Subpart B; ICES-003 Issue 7:2020; EN 301 489-1 V2.2.3; EN 301 489-17 V3.2.2
Further product details36 details
HP Smart Tank 790 All-in-One Printer — Further product details
Time to first page (black, normal)14 s
Maximum number of copies99 copies
Copier resize25 - 400%
Auto fit functionYes
Greyscale levels256
TWAIN version2.1
Modem speed33.6 Kbit/s
Auto-redialingYes
Speed diallingYes
Auto reductionYes
Recommended duty cycle400 - 1200 pages per month
Maximum duty cycle6000 pages per month
Page description languagesPCL 3 GUI
All-In-One-multitaskingYes
HP segmentHome
Total input capacity250 sheets
Maximum input capacity250 sheets
ISO A-series sizes (A0...A9)A4, A5, A6
ISO C-series sizes (C0...C9)C5, C6
JIS B-series sizes (B0...B9)B5
Envelopes sizesC5, C6, DL
Custom media length127 - 355.6 mm
Envelope feederNo
Market positioningHome & office
Operating relative humidity (H-H)15 - 80%
Recommended humidity operating range20 - 80%
Non-operating relative humidity (non-condensing)5 - 90%
Sustainability certificatesEPEAT
Layers per pallet6 pc(s)
Box contentsHP Smart Tank 790 All-in-One; 3 x HP GT53XL 135-ml Black Original Ink Bottle; HP GT52 Cyan Original Ink Bottle; HP GT52 Magenta Original Ink Bottle; HP GT52 Yellow Original Ink Bottle; Power cord; PHA; Setup guide; Reference guide; Ink caution flyer; Regulatory flyers; warranty flyers; For more information about fill and yield, see http://www.hp.com/go/learnaboutsupplies
Other EU Hazard statement(s)EUH208: Contains sensitizing substance. May produce an allergic reaction
Number of users3 user(s)
Recommended system requirementsWindows 10; 7; 32-bit or 64-bit; 2 GB available hard disk space; Internet connection; Internet Explorer. macOS v10.14 Mojave; macOS v10.15 Catalina; macOS v11 Big Sur; 2 GB HD; Internet required.
PictBridgeNo
Typical electricity consumption (TEC) number0.20 kWh/Week
UNSPSC-code43212110
Packaging & supplied accessories12 details
HP Smart Tank 790 All-in-One Printer — Packaging & supplied accessories
Country of originChina, Thailand
Package width484 mm
Package depth284 mm
Package height410 mm
Package weight10.7 kg
Cables includedAC
Warranty cardYes
Pallet gross weight428 kg
Products per pallet48 pc(s)
Master (outer) cases per pallet layer8 pc(s)
Pallet dimensions (W x D x H)1220 x 1016 x 2590 mm
Pallet dimensions (W x D x H) (imperial)1219.2 x 1016 x 2590.8 mm (48 x 40 x 102")

Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.

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Your questions, answered

HP Smart Tank 790 All-in-One Printer FAQs

How many expert reviews are available for HP Smart Tank 790 All-in-One Printer?

No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.

What is the COR Score for HP Smart Tank 790 All-in-One Printer?

The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.

Which exact version does this page cover?

This page identifies HP Smart Tank 790 All-in-One Printer using manufacturer code 4WF66A. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.

What is the listed print technology for HP Smart Tank 790 All-in-One Printer?

The source specification records print technology as Thermal inkjet. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.

What is the listed colour printing for HP Smart Tank 790 All-in-One Printer?

The source specification records colour printing as Yes. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.

Where can I compare prices for HP Smart Tank 790 All-in-One Printer?

Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.

Are cartridge yields guaranteed?

No. They are standardised comparison figures; actual yield depends on coverage, jobs and maintenance.

Is Wi-Fi printing less secure?

It can be safe when the printer and network are kept updated and secured. Use manufacturer setup guidance and protect the network.

Does a scanner mean it has an automatic document feeder?

No. Check the specification for both features.

How should I use the specifications alongside reviews?

Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.

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