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Compare HP Smart Tank 790 All-in-One Printer reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer code4WF66A
The product, explained
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.
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Manufacturer code: 4WF66A · Icecat product 91417270 · Checked 21 Sep 2026. Specifications belong to this exact model.
The main features to compare for this exact model. Missing details are not assumed.
| 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 |
| Scanning | Colour scanning |
| Copying | Colour copying |
| Wi-Fi | Yes |
| Ethernet LAN | Yes |
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| Built-in display | Yes |
|---|---|
| Screen size | 7.62 cm (3") |
| Touchscreen | Yes |
| Colour display | No |
| Maximum internal memory | 256 MB |
|---|---|
| Card reader integrated | No |
| Memory (RAM) | 256 MB |
| Built-in processor | Yes |
| Processor frequency | 800 MHz |
| Storage temperature (T-T) | -40 - 60 °C |
| Storage relative humidity (H-H) | 5 - 90% |
| Image formats supported | BMP, JPEG, PNG, TIFF |
|---|
| Duplex printing mode | Auto |
|---|---|
| Print resolution colour | 4800 x 1200 DPI |
| Print resolution black | 1200 x 1200 DPI |
| Printing | Colour 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) black | 15 ppm |
| Print speed (ISO/IEC 24734) colour | 9 ppm |
| Print margins (top, bottom, right, left) | 3.3 mm |
| Borderless printing | Yes |
| Duplex copying | Yes |
| Maximum copy resolution | 600 x 600 DPI |
| Copy speed (black, normal quality, A4) | 23 cpm |
| Copy speed (colour, normal quality, A4) | 22 cpm |
| ID-card copy function | Yes |
| Duplex scanning | No |
| Optical scanning resolution | 1200 x 1200 DPI |
| Maximum scan resolution | 1200 x 1200 DPI |
| Maximum scan area | 216 x 297 mm |
| Scanner type | Flatbed scanner |
| Scan technology | CIS |
| Scan to | Software |
| Scan drivers | TWAIN |
| Duplex faxing | Yes |
| Faxing | Colour faxing |
| Fax resolution (black) | 300 x 300 DPI |
| Fax resolution (colour) | 200 x 200 DPI |
| Fax transmission speed | 4 sec/page |
| Fax memory | 100 pages |
| Fax speed dialing (max numbers) | 99 |
| Fax forwarding | Yes |
| Fax delayed sending | Yes |
| Duplex functions | Fax |
| Number of print cartridges | 4 |
| Printing colours | Black, Cyan, Magenta, Yellow |
| Total number of input trays | 1 |
| Total output capacity | 100 sheets |
| Auto document feeder (ADF) | Yes |
| Auto document feeder (ADF) input capacity | 35 sheets |
| Maximum number of input trays | 1 |
| Maximum output capacity | 100 sheets |
| Maximum print size | 216 x 355.6 mm |
| Paper tray media types | Plain paper, Glossy paper, Photo paper, Recycled paper, Matte paper, Lightweight paper |
| Non-ISO print media sizes | Legal |
| Photo paper sizes | 10x15 cm |
| Photo paper sizes (imperial) | 4x6,5x7,8x10 |
| Borderless printing media sizes | A4, Letter |
| Paper tray media weight | 60 - 250 g/m² |
| Direct printing | Yes |
| Mobile printing technologies | Mopria Print Service, Apple AirPrint |
| Sound pressure level (printing) | 59.4 dB |
| Sound power level (printing) | 6.5 dB |
| Custom media sizes | 88.9 x 127 mm to 215.9 x 355.6 mm |
| Number of print heads | 2 |
| USB port | Yes |
|---|---|
| USB 2.0 ports quantity | 1 |
| Wi-Fi Direct | Yes |
| Bluetooth | Yes |
| Power consumption (sleep) | 1.1 W |
|---|---|
| Power consumption (off) | 0.1 W |
| Energy Star Typical Electricity Consumption (TEC) | 0.2 kWh/week |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal |
| Control type | Buttons, Touch |
|---|---|
| Recommended operating temperature range (T-T) | 15 - 30 °C |
| Operating temperature (T-T) | 5 - 40 °C |
| Time to first page (colour, normal) | 16 s |
|---|---|
| Input colour depth | 24 bit |
| Custom media width | 88.9 - 215.9 mm |
| Product colour | Grey |
| Sustainable technologies and materials | 25% post-consumer recycled plastic; Recyclable through HP Planet Partners |
| Width | 427.5 mm |
| Depth | 364 mm |
| Height | 240.3 mm |
| Weight | 7.7 kg |
| Document formats supported | |
|---|---|
| Windows operating systems supported | Windows 7, Windows 10, Windows 11 |
| Mac operating systems supported | Mac 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 supported | ChromeOS |
| Certification | CISPR 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 compliance | Yes |
| Bundled software | HP Printer Software, available online |
| Compliance certificates | CECP |
| Compatible operating systems | Windows 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 supported | Y |
| Electromagnetic compatibility | CISPR 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 |
| Time to first page (black, normal) | 14 s |
|---|---|
| Maximum number of copies | 99 copies |
| Copier resize | 25 - 400% |
| Auto fit function | Yes |
| Greyscale levels | 256 |
| TWAIN version | 2.1 |
| Modem speed | 33.6 Kbit/s |
| Auto-redialing | Yes |
| Speed dialling | Yes |
| Auto reduction | Yes |
| Recommended duty cycle | 400 - 1200 pages per month |
| Maximum duty cycle | 6000 pages per month |
| Page description languages | PCL 3 GUI |
| All-In-One-multitasking | Yes |
| HP segment | Home |
| Total input capacity | 250 sheets |
| Maximum input capacity | 250 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 sizes | C5, C6, DL |
| Custom media length | 127 - 355.6 mm |
| Envelope feeder | No |
| Market positioning | Home & office |
| Operating relative humidity (H-H) | 15 - 80% |
| Recommended humidity operating range | 20 - 80% |
| Non-operating relative humidity (non-condensing) | 5 - 90% |
| Sustainability certificates | EPEAT |
| Layers per pallet | 6 pc(s) |
| Box contents | HP 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 users | 3 user(s) |
| Recommended system requirements | Windows 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. |
| PictBridge | No |
| Typical electricity consumption (TEC) number | 0.20 kWh/Week |
| UNSPSC-code | 43212110 |
| Country of origin | China, Thailand |
|---|---|
| Package width | 484 mm |
| Package depth | 284 mm |
| Package height | 410 mm |
| Package weight | 10.7 kg |
| Cables included | AC |
| Warranty card | Yes |
| Pallet gross weight | 428 kg |
| Products per pallet | 48 pc(s) |
| Master (outer) cases per pallet layer | 8 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
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.
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.
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.
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.
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.
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.
No. They are standardised comparison figures; actual yield depends on coverage, jobs and maintenance.
It can be safe when the printer and network are kept updated and secured. Use manufacturer setup guidance and protect the network.
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