HP DeskJet 3721 All-in-One Printer is rated 4.0 out of 5 by 51.
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HP DeskJet 3721 All-in-One Printer

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Affordable power, mobile printing, and vibrant color in the world’s smallest all-in-one printer.[2]
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Save space and get the power you need with this petite all-in-one that fits nearly anywhere. Add a pop of color to your area and show your style with a choice of vibrant hues. HP Scroll Scan lets you quickly scan a variety of paper media.

Save space and get the power you need with the world’s smallest all-in-one printer.[2]

Great style and powerful performance don’t have to break the bank. This affordable all-in-one and high-yield Original HP ink cartridge options help you print, scan, and copy for a great value.

Print 2.5x as many pages with optional Original HP high-yield ink cartridges.[5]

Get the latest in wireless printing. Get up and running quickly with easy setup right out of the box.[4] Send documents to print directly from your smartphone or tablet.[1] Printing from your mobile device is easier than ever, at home or on the go.

The easiest way to print documents, photos, and more from your Apple, Android, and Windows devices.[8,9]

Dynamic security enabled printer. Intended to be used with cartridges using only HP original electronic circuitry. Cartridges with modified or non-HP electronic circuitry may not work, and those that work today may not work in the future.

More at:http://www.hp.com/go/learnaboutsupplies

  • A4 Colour Inkjet All-in-One Printer, Perfect for Home
  • Print, Scan and Copy, Duplex
  • Print speed up to 8 ppm (black) and 5.5 ppm (colour)
  • USB
  • HP Instant Ink eligible
What's in the box
  • HP DeskJet 3721 All-in-One Printer
  • HP Setup 65 Setup Black Cartridge (~120 pages)
  • HP Setup 65 Tri-color Cartridge(~100 pages)
  • Regulatory flyer
  • Warranty sheet
  • Setup poster
  • Getting started guide
  • Power cord [For ink volume and page yield information, visit http://hp.com/go/learnaboutsupplies]


Print From Mobile Device

This printer works with wireless connectivity and can be used to print from mobile devices.

HP Instant Ink Eligible

HP Instant Ink eligible printer will send ink level information to HP, and when the printer runs low on ink, replacement ink cartridges are shipped to you.



First page out black (A4, ready)

As fast as 15 sec

First page out color (A4, ready)

As fast as 18 sec

Print technology

HP Thermal Inkjet

Duplex printing

Manual (driver support provided)

Wireless capability

Yes, built-in Wi-Fi 802.11b/g/n

Recommended monthly page volume

50 to 200

see more specs


Special offers


HP Instant Ink — get ink or toner, plus hassle-free delivery and recycling, all starting at $1.99 a month.

Original HP Ink ordered by your printer, delivered to your door.

Select a printing plan – Print a little or a lot—there's an option for everyone. Your subscription includes ink or toner, hassle-free delivery, and prepaid recycling.

        Get started with HP Instant Ink - Learn More 

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        Rated 3 out of 5 by from My new Up-to-date tech machine Prints beautifully but you need to be careful that the item to be scanned is aligned properly.
        Date published: 2022-06-14
        Rated 5 out of 5 by from My new HP printer Took me a while to connect, but that was my fault for not following all instructions! This printer does what I want and I am very happy with this purchase. It is a shame though that ink cartridges are so expensive.
        Date published: 2022-04-24
        Rated 1 out of 5 by from Terrible product Something always goes wrong with this machine, do not waste your money. Connecting issues, the app doesn't work a lot, terrible customer service. Mines in the bin, annoyed I wasted money on this, I knew it would be junk
        Date published: 2022-04-19
        Rated 1 out of 5 by from Worst printer ever. This is the worst printer I have ever had the misfortune to own. It has never worked properly since the day we bought it. The print quality is terrible - images are blurry and text is barely legible. It is unable to be aligned no matter what we have tried, and it now refuses to print anything at all. HP used to mean quality but those days are long gone.
        Date published: 2022-03-19
        Rated 3 out of 5 by from Easy printer but not a great scanner Love how compact it is. Easy setup. Scanning is not its strong suit though if that is what you have purchased it for. Reverts back to default “document” setting after each scan rather than just the last used setting Eg: photo When scanning a photo every photo scans a full A4 size with a negative space that needs to be cropped out of every scan, half needed to be rotated, need to tick the keep resolution box every time. Was painful feeding every photo in and then cropping rotating adjust etc.
        Date published: 2021-05-24
        Rated 5 out of 5 by from Progress +++++ Takes up less room on my desk and has less wiring. Looks modern and is attractive.
        Date published: 2021-04-12
        Rated 4 out of 5 by from Top product I bought it 2 weeks ago it took a while to install it
        Date published: 2021-01-25
        Rated 5 out of 5 by from Simple Simple set up instructions.Easy to install, easy to use. Looks great. Love it
        Date published: 2020-12-29
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        • clientName_hp-au
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        • CLOUD, getReviews, 7.89ms

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        • [1] Local printing requires mobile device and printer be on the same network or have a direct wireless connection. Remote printing requires an Internet connection to an HP web-connected printer. For details on how to print, including whether an app is required, see http://www.hp.com/go/mobileprinting
        • [2] World’s smallest in-class footprint compared only to dimensions of majority of worldwide inkjet all-in-one printers <$250 USD; HP internal research of printer manufacturers’ published specifications as of July 1, 2018 and July 2018 Keypoint Intelligence - Buyers Lab study commissioned by HP. Market share as reported by IDC CYQ1 2018 Hardcopy Peripherals Tracker. Measured dimensions for the HP DeskJet 3700 printer series is 403 mm x 177 mm x 141 mm (W x D x H) and volume is 10,057,671 cubic millimeters. For details, see http://www.hp.com/go/smallestAiOclaims or http://www.keypointintelligence.com/HPDeskJetSmallest.
        • [4] Requires HP All-in-One Printer Remote mobile app download and is compatible with iPhone® 4 and later, iPad® 4th generation, iPad mini™, iPad Air®, iPod®, and mobile devices using Android™ 4.0.3 or later. For a full list of supported operating systems, see http://www.hp.com/go/mobileprinting
        • [5] Based on cartridge yields for HP 65/304XL ink cartridges compared with HP 65/304 standard ink cartridges. For more information, see http://www.hp.com/go/learnaboutsupplies
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