HP Smart Tank 790 Multi Function InkJet Printer (4WF66A)

Elevate your printing to a premium, intuitive experience with seamless mobile setup and a modern touch interface that keeps you connected, on task, and in control.
Use the guided, step-by-step videos to quickly set up your printer.
 
Save time and maximize business productivity with automatic two-sided printing, multi-page scanning, and the HP Smart app.
Speed through multi-page documents with automatic two-sided printing.
 
Perfect for low-cost, high-volume printing—up to 12000 black or 8000 color pages of Original HP Ink included.
Get up to 12000 black pages or up to 8000 color pages.
 
A4 Color Inkjet 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
 
Technical Details
 
Brand : HP
Model : 4WF66A
 
Specifications
PRINT
Print speed, black : Up to 23 ppm (A4, Draft)
Color output : Color
Print speed, color : Up to 22 ppm (A4, Draft)
 
CATEGORY
Product type : Ink Tank Printer
Family brand : Smart tank
 
USAGE
Perfect For : Home
 
FEATURES
Functions : Print scan copy and fax
 
PRINTING MEDIA HANDLING
Envelope input capacity : Up to 30 envelopes
Output capacity : Up to 100 sheets
Maximum output capacity (sheets) : Up to 100 sheets
Paper handling input, standard : 250-sheet input tray
Input capacity : Up to 250 sheets
Paper handling output, standard : 100-sheet output tray
Standard output capacity (envelopes) : Up to 30 envelopes
Maximum input capacity (sheets) : Up to 250 sheets
Standard output capacity (legal) : Up to 50 sheets
Maximum input capacity (photo paper) : Up to 50 sheets
Standard input capacity (legal) : Up to 250 sheets
Standard input capacity (cards) : Up to 30 cards
Maximum input capacity (labels) : Up to 20 sheets
Maximum output capacity (photo paper) : Up to 30 sheets
Maximum output capacity (cards) : Up to 30 cards
Standard output capacity (cards) : Up to 30 cards
Standard output capacity (labels) : Up to 20 sheets
Maximum output capacity (labels)  : Up to 20 sheets
Maximum output capacity (envelopes) : Up to 30 envelopes
 
DISPLAY SPECIFICATIONS
Display HP : 3 inch (76.2 mm) Touchscreen MGD (Mono Graphics Display)
 
SCAN SPEED
Scan speed (normal, letter) : Up to 8 ipm (200 ppi, mono) Up to 3.5 ipm 200 ppi, color)
Scan speed (normal, A4) : Up to 3.5 ipm (color) Up to 8 ipm (mono)
 
CARTRIDGES AND PRINTHEADS
Technology : Ink
Ink types : Pigment-based (black) Dye-based (color)
Print heads : 2 (1 each black, tri-color)
Color(s) of printing supplies : Black; Cyan; Magenta; Yellow
Print head nozzles : 704 (Black), 588 (Tri-color)
 
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) For more information about fill and yield see www.hp.com/go/learnaboutsupplies
 
Print colors maximum : 4
 
BATTERY AND POWER
Power : Input voltage: 100 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz)
Power Consumption : 0.1 watts (offƛ.10 watts (sleep)
Power supply type : Internal
 
PRINTER SPECIFICATIONS
Multitasking supported : No
Duty cycle (monthly, letter) : Up to 6,000 pages
Envelope feeder : No
 
Recommended monthly page volume note 
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.
 
Functions : Print, Copy, Scan, Fax, ADF and Wireless
Print languages : HP PCL 3 GUI
Paper trays, maximum : 1
Duty cycle (monthly, A4) : Up to 6,000 pages
Paper trays, standard : 1
Recommended monthly page volume : 400 to 1200
Print technology : HP Thermal Inkjet
Duplex printing : Automatic
Automatic paper sensor : Yes
Memory card compatibility : No
Print colours : Yes
Top key features : 35-sheet ADF; Scan to PDF; Two-sided printing
Target user and print volume : For teams up to 3 users; Prints up to 1200 pages/month
Borderless printing :Yes (up to 8.5 x 11 in, 210 x 297 mm)
Printer drivers included : HP PCL 3 GUI
Vertical alignment accuracy : +/- 0.02 mm
 
SCANNER SPECIFICATIONS
Scan size (ADF), maximum : 216 x 356 mm
Scan file format : JPG, TIFF, PDF, BMP, PNG
Color scanning : Yes
Auto document feeder capacity : Standard, 35 sheets
Scanner type : Flatbed and ADF
Scan size, maximum : 216 x 297 mm
Levels of grayscale : 256
Scan input modes : Front Panel Scan; Copy; Fax; HP Software; EWS
Bit Depth : 24-bit
Twain version : Version 2.1
Scan technology : Contact Image Sensor (CIS)
Image scaling or enlargement range : 25-400%.
Scanning options (ADF) : Single-sided
Scan size, maximum : 8.5 x 11.69 in
Scan size (ADF), maximum : 8.5 x 14 in
 
CERTIFICATION AND COMPLIANCE
ENERGY STAR® certified : No
 
Electromagnetic Emission Standard
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
 
Telecom compliance (fax capability) : EN 300 328 V2.2.2; EN 301 893 V2.1.1; EN 300 440 V2.1.1
Environmental : 25% post-consumer recycled plastic; Recyclable through HP Planet Partners
Blue Angel compliant : Yes, Blue Angel DE-UZ 219—only ensured when using Original HP supplies
Exifprint supported : No
 
GEOGRAPHIC
Country of origin : Made in China
 
ENVIRONMENTAL
Non-Operating Humidity Range : 5 to 90% RH (non-condensing)
Operating humidity range : 15 to 80% RH (non-condensing)
Storage temperature range : -40 to 60°C
Operating temperature range : 5 to 40°C
Acoustic pressure emissions : 59.4 dB(A) (printing at 10ppm)
Acoustic power emissions : 6.5 B(A) (printing at 10ppm)
Recommended operating temperature range : 15 to 30°C
 
DIMENSIONS
Dimensions without stand (W x D x H):  42.75 x 36.40 x 24.03 cm
Package dimensions (W x D x H) : 484 x 284 x 410 mm (W x D x H) 
Maximum dimensions (W x D x H) : 453.55 x 440.73 x 249.63 mm
Minimum dimensions (W x D x H) : 16.83 x 14.33 x 9.46 in
Package dimensions (W x D x H) : 19.06 x 11.18 x 16.14 in
Dimensions with trays up (W x D x H) : 427.54 x 364.00 x 240.25 mm
 
WEIGHTS
Weight : 7.70 kg
Package weight : 10.70 kg
Package weight : 23.54 Ib
 
CONNECTIVITY AND COMMUNICATIONS
Connectivity, standard : Hi-Speed USB 2.0; Wi-Fi; Bluetooth LE; 1 USB Host; LAN
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
Mobile printing capability : Apple AirPrint; Mopria Print Service; HP Print Service Plugin (Android printing) HP Smart app; Wi-Fi Direct Printing
 
FAX SPECIFICATIONS
Auto redial : Yes
Speed dials, maximum number : Up to 99 numbers
Fax memory : Up to 100 pages
Polling : No
Fax forwarding : Yes
Fax delayed sending : Yes
Faxing : Yes, color
Junk fax barrier : Yes
Remote retrieval : No
Auto fax reduction supported : Yes
PC interface supported : Yes, PC fax send and archive
Telephone handset supported : No
Distinctive ring detection supported : Yes
Fax telephone mode supported : Yes
Fax memory : Up to 100 pages
Modem speed : Internal. Data transfer rate up to 33.6kbps
Faxing options (ADF) : Single-sided
 
SYSTEM COMPONENTS
Control panel : 3 in (76.2 mm) Touchscreen MGD (Mono Graphics Display), touch button (cancel, help, back)
 
PROCESSOR
Processor speed : 800 MHz
 
SCAN RESOLUTION
Scan Resolution, Hardware : Up to 1200 x 1200 dpi
Enhanced scanning resolution : Up to 1200 dpi
Scan Resolution, Optical : Up to 1200 dpi
Scan resolution enhanced disclaimer : Up to 1200 dpi
Scan resolution enhanced disclaimer : Up to 1200 ppi
 
MEMORY
Memory : 256 MB
Memory, maximum : 256 MB
Standard memory note : Not upgradeable
 
FAX SPEED
Fax transmission speed : 33.6 kbps
Fax note 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 transmission speed : 4 sec per page
 
SUPPORTED PRINTING MEDIA
Media sizes supported : A4; A5; A6; B5 (JIS) Envelope (DL, C5, C6, Chou #3, Chou #4) Card (Hagaki, Ofuku Hagaki) legal
Standard media sizes (duplex) : A4; B5; Not supported for borderless photo
Media weight, 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
 
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, custom : 88.9 x 127 mm to 215.9 x 355.6 mm
Media weight, recommended : 60 to 105 g/m²
Media sizes supported, key : Envelopes; Legal; Letter; 4 x 6 in
Media sizes supported, key : 10 x 15 cm; A4; Envelopes
Media weight, supported : Plain paper: 16 to 28 lb; Envelopes: 20 to 24 lb; Cards: up to 110 lb; Photo paper: up to 66 lb
Standard media sizes (duplex, imperial) : Letter; Executive; Not supported for borderless photo
Media sizes supported : Letter; Legal; Government Legal; Executive; Statement; 4 x 6 in; 5 x 7 in; 8 x 10 in; L; Photo 2L; Envelope (#10, Monarch, 5.5 bar) Card (4 x 6 in, 5 x 8 in)
Media sizes, custom : 3.5 x 5 in to 8.5 x 14 in
Media weight, recommended : 16 to 28 lb
 
SYSTEM REQUIREMENTS
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.
 
FAX RESOLUTION
Fax resolution : Up to 300 x 300 dpi
Resolution (black and white, standard mode) : 203 x 98 dpi
Fax resolution black : 203 x 196 dpi
Fax resolution color (standard) : 200 x 200 dpi
Fax resolution color (fine) : 200 x 200 dpi
 
SOFTWARE AND APPLICATIONS
Mac compatible : Yes
Software included : HP Printer Software, available online
 
SUPPORTED OPERATING SYSTEMS
Compatible Operating Systems : Windows 10, 7; macOS v10.14 Mojave, macOS v10.15 Catalina, macOS v11 Big Sur;
Operating system (supported note) : 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
 
PRINT RESOLUTION
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
 
RACK AND POWER SPECIFICATIONS
Typical electricity consumption (TEC) number : 0.20 kWh/Week
Number of users : 1-3 Users
 
PRINT AREA
Maximum print area : 215.9 x 355.6 mm
Right margin (A4) : 3.3 mm
Top margin (A4) : 3.3 mm
Bottom margin (A4) : 3.3 mm
Left margin (A4) : 3.3 mm
 
DIGITAL SENDER SPECIFICATIONS
File formats, supported : PDF; BMP; PNG; TIF; JPG
Send to email capability : Yes
 
ADVANCED FEATURES
Printer smart software features : Duplex Printing
Fax smart software features : Yes
 
COPIER SPECIFICATIONS
Copies, maximum : Up to 99 copies
Copy reduce / enlarge settings m: 25 to 400%
Copier settings : Number of Copies, Access copier settings of Resize, Quality, Lighter/Darker, Papersize, Papertype settings via HP Smart
Colour copy capability : Yes
 
COMPATIBILITY
Accessories : None
 
COPY SPEED
Copy speed colour (draft, A4) : Up to 22 cpm
Copy speed color (ISO) : Up to 6 cpm
Copy speed black (ISO) : Up to 13 cpm
 
MULTIMEDIA AND INPUT DEVICES
Fax phone TAM interface supported : No
Fax phone features :  Yes
 
PRODUCT NAMES
Sub-brand name : Smart Tank
 
CAMERA SPECIFICATIONS
Output file format : BMP; JPEG; PDF; TIF
PictBridge supported : No
PictBridge description : No
 
PRINT SPEED
Print speed colour (draft, A4) : Up to 22 ppm
Print speed color (ISO) : Up to 9 ppm
Print speed black (ISO) : Up to 15 ppm
Print speed black (draft, A4) : Up to 23 ppm