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Description
HP Smart Tank 790 Wireless Duplex All-in-One Printer 4WF66A
Boost productivity with mobile setup, two-sided printing, modern touch interface, and fax, so you can connect, work, and print intuitively. Get outstanding quality and value – up to three years of Original HP Ink included in the box.
A premium printing experience from start to finish
Use the guided, step-by-step videos to quickly set up your printer. Get faster, more reliable connections using dual band Wi-Fi® with self-healing. Easily manage tasks with an integrated, modern touch interface for an intuitive experience. Easily monitor and maintain ink and paper levels with integrated ink tank light and paper sensors.
Your shortcut to maximum productivity
Speed through multi-page documents with automatic two-sided printing. Count on dark, crisp text, and get vibrant colour graphics for all your prints. Streamline workflow with Shortcuts on the HP Smart app. Print, scan, share, and more – in just a tap. Work fast and hands-free – the 35 page auto-feeder helps you complete jobs quickly.
Fully loaded with savings
Get up to 18,000 black or 8,000 colour pages of Original HP Ink included in the box. Print at high volumes at an extremely low cost-per-page with this cartridge-free system. Replenishing ink is clean and easy with HP’s innovative spill-free refill system.
Environmentally conscious printing
This printer is made from recycled printers and other electronics – more than 25% by weight of plastic. EPEAT Silver certified printer: an environmentally conscious choice. Count on easy cartridge recycling at no charge through HP Planet Partners.
Features
Engineered for high-volume printing
Get up to 1,8000 black or 8,000 colour pages of Original HP Ink included in the box.
Automatic two-sided printing
Speed through multi-page documents with automatic two-sided printing.
Your reliable connection
Get faster, more reliable connections using dual band Wi-Fi with self-healing.
HP Smart app
Print, scan and copy from your phone – from anywhere. Enjoy advanced scanning for 12 months with HP Smart Tank.
Specifications
Product: HP Smart Tank 790 Wireless Duplexer All-in-One Printer
Functions: Print, Copy, Scan, Fax, ADF and Wireless
Multitasking supported: No
Print speed black: ISO: Up to 15 ppm; Draft: Up to 23 ppm
Print speed color: ISO:Up to 9 ppm; Draft:Up to 22 ppm
First page out (ready): Black: As fast as 14 sec; Color: As fast as 16 sec
Duty cycle (monthly, A4): Up to 6,000 pages
Recommended monthly page volume: 400 to 1200
Print technology: HP Thermal Inkjet
Printer drivers included: HP PCL 3 GUI
Print quality (best): Color: Up to 4800 x 1200 optimized dpi color when printing from a computer and 1200 input dpi; Black: Up to 1200 x 1200 rendered dpi
Display: 3 in (76.2 mm) Touchscreen MGD (Mono Graphics Display)
Processor speed: 800 MHz
Print languages: HP PCL 3 GUI
Automatic paper sensor: Yes
Replacement cartridges: HP 32 90-ml Black bottle (~4000 pages), HP 32XL 135-ml Black bottle (~6000 pages), HP 31 70-ml Cyan bottle (~8000 pages), HP 31 70-ml Magenta bottle (~8000 pages), HP 31 70-ml Yellow bottle (~8000 pages)
Wireless capability: Yes, 2.4/5G dual band Wi-Fi, Wi-Fi Direct, Bluetooth low energy
Connectivity, standard: 1 USB Host; Hi-Speed USB 2.0; Wi-Fi; Bluetooth LE; Ethernet; Fax
Minimum 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
Compatible operating systems: Windows 10, 7; macOS v10.14 Mojave, macOS v10.15 Catalina, macOS v11 Big Sur; (Windows 10, 7: 32-bit or 64-bit, macOS v10.14 Mojave, macOS v10.15 Catalina, macOS v11 Big Sur; 2 GB available hard disk space; Internet connection; Internet Explorer)
Mobile printing capability: Apple AirPrint; Mopria certified; HP Print Service Plugin (Android printing); HP Smart app; Wi-Fi Direct Printing
Memory, standard: 256 MB (Not upgradeable)
Maximum Memory: 256 MB
Paper handling input, standard: 250-sheet input tray
Paper handling output, standard: 100-sheet output tray
Duplex printing: Automatic
Media sizes supported: A4; A5; A6; B5 (JIS); Envelope (DL, C5, C6, Chou #3, Chou #4); Card (Hagaki, Ofuku Hagaki)
Media sizes custom: 88.9 x 127 mm to 215.9 x 355.6 mm
Media types: Plain Paper, HP Photo Papers, HP Matte Brochure or Professional Paper, HP Matte Presentation Paper, HP Glossy Brochure or Professional Paper, Other Photo Inkjet Papers, Other Matte Inkjet Papers, Other Glossy Inkjet Papers, Light/Recycled
Media weights, recommended: 60 to 105 g/m²
Media weights, supported: Plain paper: 60 to 105 g/m²; Envelopes: 75 to 90 g/m²; Cards: up to 200 g/m²; Photo paper: up to 250 g/m²
Borderless printing: Yes (up to 8.5 x 11 in, 210 x 297 mm)
Scanner type: Flatbed and ADF
Scan file format: JPEG, TIFF, PDF, BMP, PNG
Scan resolution, optical: Up to 1200 dpi
Bit depth: 24-bit
Scan size, maximum: 216 x 297 mm
Scan size (ADF), maximum: 216 x 356 mm
Automatic document feeder capacity: Standard, 35 sheets
File Format Supported: PDF; BMP; PNG; TIF; JPG
Scan input modes: Front Panel Scan; Copy; Fax; HP Software; EWS
Scan speed (normal, A4): Up to 8 ipm (200 ppi, mono); Up to 3.5 ipm 200 ppi, color)
Copy speed (draft): Color: Up to 22 cpm
Copy resolution (black text): Up to 600 dpi
Copy resolution (color text and graphics): Up to 600 x 600 dpi
Copy reduce / enlarge settings: 25 to 400%
Copies, maximum: Up to 99 copies
Faxing: Yes, color
Fax transmission speed: 33.6 kbps (Based on standard ITU-T test image #1 at standard resolution. More complicated pages or higher resolution will take longer and use more memory.)
Fax memory: Up to 100 pages (Varies based on content)
Fax Resolution Black (best): Up to 300 x 300 dpi
Fax Speed Dials, Maximum Number: Up to 99 numbers
Power: Input voltage: 100 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz)
Power consumption: 0.1 watts (off);1.10 watts (sleep)
Ecolabels: EPEAT® registered; CECP; SEPA
Operating temperature range: 5 to 40°C
Recommended operating humidity range: 20 to 80% RH
Minimum dimensions (W x D x H): 42.75 x 36.40 x 24.03 cm
Maximum dimensions (W x D x H): 453.55 x 440.73 x 249.63 mm
Weight: 7.70 kg
Package weight: 10.70 kg
What's in the box: 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
Cable included: No, please purchase USB cable separately
Software included: HP Printer Software
Our picking, packing and delivery is linked to what you order, where you want it delivered and how you choose to pay, so delivery times can vary. Estimates are provided below to help you shop, but always check your order’s Estimated Delivery Date during checkout for the most accurate delivery information.
Standard Delivery
Delivery destination | Delivery time |
---|---|
Johannesburg, Pretoria Area | 1-3 working days |
Cape Town, Durban Area | 2-4 working days |
Outlying Areas | 3-5 working days |
Applies to items that are marked as in stock at time of placing your order.
All orders carry a small fixed standard delivery fee of R49 including VAT per order for anywhere in South Africa.
Checkout securely with

Refund Policy
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
Return Process:
- Online: Log your Return here online now. Self service. Quick and easily.
- Contact Us: Email support@hponline.co.za or call 0800 390 020 to initiate a return.
- Follow Instructions: An agent will be in contact to help guide you based on the nature of your return.
- Packaging: For faulty or malfunctioning items, ensure they are in their original packaging with all accessories and documentation.
- Courier Costs: For returns after 30 days or for incorrectly ordered items, courier charges will be based on item size and location.
To start a return, you can contact us at support@hponline.co.za If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return questions at support@hplonline.co.za
If a fault occurs within 30 days of purchase, HP will provide support in accordance with the HP's policy. All return costs will be borne by HP.
For faults occurring beyond 30 days of purchase, support will be provided according to the manufacturer's policy, with return costs borne by the consumer.
Incorrectly Purchased or Delivered Items:
I no longer want what i ordered: Items that are incorrectly ordered, unwanted, or not as expected may be returned within 14 days of purchase.
Provided they are sealed and unused. A courier fee and a 15% handling fee will apply.
What was delivered, was not what i ordered: You will need to notify us within 14 days. Incorrectly delivered items can be returned within 14 days of purchase at no cost to you. For the fastest service, check the goods upon delivery and reject any incorrect items, and we will resend the correct goods.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like software downloads. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
Need Help?
If you have any questions or concerns about your order, returns, refunds or exchanges, please don't hesitate to contact our customer service team. We’re here to assist you in any way we can.
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Great printer.
Online support left something to be desired. The App is really not working for me and is a bigger problem than asset. But the in-person support and Printer quality overall is amazing.
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