What Ink Does the HP DeskJet 3722 Use?

by William Elward · Editorial policy Last Updated: November 8, 2026

Quick answer: The HP DeskJet 3722 uses HP 65 ink in two cartridges: an HP 65 or HP 65XL black and an HP 65 or HP 65XL tri-color. Since July 2026 HP also sells them as HP 63/65, and those fit the same slots. Castle Ink stocks remanufactured HP 65XL Black, HP 65XL Tri-color and a 65XL combo pack.

The 3722 is one of HP's DeskJet 3700 series, the compact all-in-ones with a sheet-feed scanner instead of a flatbed. HP's support documents list it with the 3720, 3721, 3730, 3732, 3752, 3755 and 3758, and RTINGS notes that the variants differ only by region and retailer. HP made the 3722 under several product numbers (T8W56A, T8W57A, T8W58A); outside the U.S. the series takes HP 304, so buy by the U.S. HP 65 numbers.

CastleScore · November 2026

69/100 — Situational

HP DeskJet 3722 (HP DeskJet 3720: the 3722 is a DeskJet 3700-series model, and HP's support documents group the two together.)

Pillar (weight)	Score	What it is based on
Owner ratings (28%)	—	No retailer rating with enough reviews to use.
Expert reviews (18%)	62	Average of five European tests of the DeskJet 3720, as scored out of 100 by Galaxus: pctipp.ch 80, PC Welt 60, Computer Bild 59 and 53, and Stiftung Warentest 58 (2016 to 2018)
Cost per page (24%)	78	About 6.5¢ per page blended (black + color) with our remanufactured HP 65XL black ($18.99) and tri-color ($19.99), 300 pages each; about 5.5¢ with our $32.99 65XL combo pack. Not docked: this isn't an HP+ model.
Reliability (13%)	78	Most-reported problems: paper-jam errors (flashing E and 4), including false jams; pages feeding crooked through the sheet scanner; very slow color printing; noisy operation
Features (12%)	52	Print, copy and scan through a single-sheet feeder, over 2.4 GHz Wi-Fi, Wi-Fi Direct or USB, with a small status LCD. No flatbed, no automatic two-sided printing, no fax.
Value (5%)	—	Running cost and owner satisfaction

Limited data: We could not find enough owner ratings for this printer, so that weight is spread across the other pillars.

Discontinued. HP launched the DeskJet 3700 series in 2016 and now lists the same-series 3755 as discontinued. HP 65 cartridges and HP's newer 63/65 cartridges are still sold.

CastleScore is Castle Ink’s own editorial rating, built from retailer star ratings, expert reviews, real cost per page and owner complaint patterns, checked November 8, 2026. It is not a customer review. See every ranked printer or how the score works.

The cartridges, pictured

Our own remanufactured cartridges, photographed in-house.

What Ink Cartridges Does the HP DeskJet 3722 Take?

Cartridge	HP part no.	Approx. yield	Castle Ink option
HP 65 Black	N9K02AN	~120 pages	—
HP 65 Tri-color	N9K01AN	~100 pages	—
HP 65XL Black (high-yield)	N9K04AN	~300 pages	Remanufactured 65XL Black, $18.99
HP 65XL Tri-color (high-yield)	N9K03AN	~300 pages	Remanufactured 65XL Tri-color, $19.99
HP 65XL Black + Tri-color	—	~300 / 300 pages	Remanufactured 65XL combo, $32.99
HP 63/65 Tri-color (new in 2026)	B7RT2AN	~100 pages	—
HP 63/65XL Black (new in 2026)	B7RT5AN	~300 pages	—

Yields are HP's ISO figures, tested in the DeskJet 3700 series. HP's new 63/65 range has no XL tri-color, so the HP 65XL tri-color (N9K03AN) is still the only high-yield color option. The 3722 is not an HP+ printer, and our remanufactured cartridges keep the original HP chip.

What Does DeskJet 3722 Ink Cost per Page?

Blended across black and color, about 6.5¢ a page with our 65XL singles ($18.99 black and $19.99 tri-color, about 300 pages each), or about 5.5¢ with our $32.99 65XL combo pack. HP's standard 65 cartridges print only about 120 black and 100 color pages, so on a printer this small, the XL size makes the biggest difference to what you spend.

How Do I Replace the Ink in the HP DeskJet 3722?

Turn the printer on and open the ink cartridge access door; wait for the carriage to stop.
Press the cartridge you're replacing down to release it and pull it out.
Unwrap the new cartridge and pull off the tape by its tab, without touching the copper contacts or nozzles.
Slide it into its slot until it clicks: tri-color on the left, black on the right.
Close the door and run the alignment when the printer prompts you.

Which Other Printers Use HP 65?

The DeskJet 3720, 3752, 3755 and 3772; the DeskJet 2622, 2624, 2652 and 2655; the ENVY 5052 and 5055; and HP's AMP 100. HP 67 and HP 63 (the original) don't fit.

What DeskJet 3722 owners ask

These are the questions that come up most for the DeskJet 3700 series in HP's support community and owner reviews, answered in our words.

The E and 4 lights are flashing. What does that mean?

HP's code for a paper jam or a stalled carriage. Turn the printer off, open the cartridge door, remove any torn paper you can see and make sure the carriage slides freely, then power back on. Owners often hit it as a false jam, which clears after a full power reset.

How do I scan without a flatbed?

Feed the page face up into the scanner slot at the top; the 3722 pulls it through, a single sheet at a time. Use the HP Smart app or HP software to start the scan. Thick originals and bound pages won't feed, and creased pages can go through crooked.

Why is color printing so slow?

HP rates the series at only about 5.5 color pages a minute, and photos take far longer. That's normal for this design, not a fault.

My store has only HP 63/65 cartridges. Will they work?

Yes. HP says the combined 63/65 cartridges work in every printer that took HP 65, including the 3700 series.

DeskJet 3722 quirks worth knowing

HP sold the 3700 series as one of the smallest all-in-ones available, with a small LCD for copy count and status icons.
It connects by 2.4 GHz Wi-Fi, Wi-Fi Direct or USB.
Two-sided printing is manual, and it has no fax or document feeder.
The setup cartridges in the box are rated for only about 105 black and 100 color pages.

Frequently Asked Questions