HP Smart Tank 790 All-in-One (4WF66A)

Brand :

Genuss Nigeria
  • A4 Color Smart Tank All-in-One Printer, Perfect for Home
  • Print, Copy, Scan and Fax
  • Print speed up to 23 ppm (black) and 22 ppm (color)
  • USB, WiFi, Bluetooth, LAN, Mobile Printing


Print, Copy, Scan, Fax, ADF and Wireless

Print speed black (ISO)

Up to 15 ppm

Print speed black (draft, A4)

Up to 23 ppm

Print speed black (ISO, A4)

Up to 15 ppm

Print speed color (ISO)

Up to 9 ppm

Print speed color (draft, letter)

Up to 22 ppm

Print speed color (draft, A4)

Up to 22 ppm

Print Speed Color (ISO)

Up to 9 ppm

Duplex printing


Duty cycle (monthly, letter)

Up to 6,000 pagesUp to 6,000 pages

Duty cycle (monthly, A4)

Up to 6,000 pages

Recommended monthly page volume

400 to 1200 (HP recommends that the number of pages per month of imaged output be within the stated range for optimum device performance, based on factors including supplies replacement intervals and device life over an extended warranty period.)

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 languages


Print technology

HP Thermal Inkjet

Connectivity, standard

1 Bluetooth Low Energy; 1 Fax; 1 Gigabit Ethernet; 1 USB Host (print JPEG only); 1 Hi-Speed USB 2.0 (host); 1 Wi-Fi 802.11a/b/g/n; 1 Wi-Fi 802.11ac (dual band)

Mobile printing capability

Apple AirPrint; Mopria certified; HP Print Service Plugin (Android printing); HP Smart app; Wi-Fi Direct Printing 2

Network capabilities

Yes, via built-in Ethernet; Wi-Fi

Wireless capability

Yes, 2.4/5G dual band Wi-Fi, Wi-Fi Direct, Bluetooth low energy

Wireless technologies

Bluetooth® 5.0; 802.11a/b/g/n/ac; Wi-Fi®

Minimum System Requirements for Macintosh

macOS v10.14 Mojave, macOS v10.15 Catalina, macOS v11 Big Sur; 2 GB HD; Internet required

Minimum System Requirements

Windows 10, 7: 32-bit or 64-bit, 2 GB available hard disk space, Internet connection, Internet Explorer.


3 in (76.2 mm) Touchscreen MGD (Mono Graphics Display)

Processor speed

800 MHz

Maximum Memory

256 MB


256 MB (Not upgradeable)

Compatible Operating Systems

Windows 11; Windows 10; Windows 7; macOS 10.14 Mojave; macOS 10.15 Catalina; macOS 11 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)

Paper handling input, standard

250-sheet input tray

Paper handling output, standard

100-sheet output tray

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 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

Borderless printing

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

Media weight, recommended

60 to 105 g/m²

File Format Supported


Scanner type

Flatbed and ADF

Scan file format


Enhanced scanning resolution

Up to 1200 dpi

Scan resolution, optical

Up to 1200 dpi

Scan size (ADF), maximum

216 x 356 mm

Scan size, maximum

216 x 297 mm

Scan speed (normal, A4)

Up to 8 ipm (200 ppi, mono); Up to 3.5 ipm 200 ppi, color)

Scan speed (normal, letter)

Up to 8 ipm (200 ppi, mono); Up to 3.5 ipm 200 ppi, color)

Automatic document feeder capacity

Standard, 35 sheets

Scan technology

Contact Image Sensor (CIS)

Copy speed black (ISO)

Up to 13 cpm

Copy speed color (ISO)

Up to 6 cpm

Copy Speed Color (maximum, A4)

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 resolution (black graphics)

Up to 600 dpi

Copies, maximum

Up to 99 copies

Copy reduce / enlarge settings

25 to 400%

Copier settings

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


Yes, color

Fax transmission speed (letter)

4 sec per page

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 Resolution Black (best)

Up to 300 x 300 dpi

Fax memory

Up to 100 pages (Varies based on content)

Fax Speed Dials, Maximum Number

Up to 99 numbers

Power consumption

0.1 watts (off);1.10 watts (sleep)


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

Typical electricity consumption (TEC) number

0.20 kWh/Week

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


7.70 kg


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