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Boxes may be blemished, scuffed, dented, etc. which is why we’re able to offer them at such low prices. Boxes and cartridges are manufactured-sealed, undamaged, and fully covered by a Genuine Ink one-year warranty.
GenuineInk.com is an independent toner retailer and not affiliated with HP.
Black
Our Printer Fit Guarantee ensures that the toner you buy will work with your printer.
Yes! It works with Change
This Original HP 42X Q5942X Black LaserJet Toner Cartridge is designed to work with HP LaserJet 4250, LaserJet 4250tn, LaserJet 4250dtn, LaserJet 4250N, LaserJet 4250dtnsl, LaserJet 4350dtn, LaserJet 4350dtnsl, LaserJet 4350n, LaserJet 4350tn printer models. By using the Original HP 42X Q5942X LaserJet Toner Cartridge you will always get clear, sharp text and graphics.
The 42X Q5942X Yields up to 20,000 Pages. Actual yield varies with page content and other factors.
Genuine Ink HP toner guide
The right capacity for the way you print.
Two original HP black toner options. Compare standard and high yield to find the right capacity for your printer and printing volume.
Compare page yields20,000approx. black pages per cartridge
Q5942X · Original HP black toner
HP 42A offers approximately 10,000 pages for lighter printing.
HP LaserJet 4240: HP 42A only.
01 / Find your fit
Start with your printer and printing volume.
For frequent printing
Print more reports, invoices, and office documents between cartridge changes. Choose high yield for frequent printing.
20,000approx. black pages per cartridge*
For lighter printing
Choose standard capacity for everyday documents and lower printing volumes. A practical option when you print less often.
10,000approx. black pages per cartridge*
*Approximate yield per individual cartridge. HP 42A and HP 42X are both black toner cartridges.
02 / Side by side
HP 42X offers approximately 2 times the rated page yield of HP 42A, with 10,000 more rated pages per cartridge.
| Compare | HP 42XHigh yield | HP 42AStandard yield |
|---|---|---|
| Black page yield | 20,000approx. pages ↗ | 10,000approx. pages ↗ |
| Cartridge number | Q5942X | Q5942A |
| Capacity vs. 42A | Approx. 2× rated yield | 1× rated yield |
| Best suited to | frequent printing | lighter printing |
| HP LaserJet 4240 | Not supported | Supported |
| Dual-pack option | Q5942XD · 2-pack ↗20,000 pages each · 40,000 combined | See single-cartridge options above. |
A note on page yields: Approximate rated yields per cartridge. Actual yield varies with page content and other factors. Capacity ratios compare rated page yields, not price or guaranteed savings.
03 / Choose your cartridge
Choose the black toner capacity that fits.
Check each product listing for current price, box condition, availability, and your exact printer model.
Stock up / Original HP dual packs
Choose one cartridge for your next replacement, or a dual pack to keep a second cartridge ready. Compare the pack options below.
Q5942XD
40,000 pagesapproximate combined yield across both cartridges
2 cartridges × approximately 20,000 pages each.
Shop HP 42X dual packDual-pack totals are the sum of two separate cartridges used one after the other. Actual yield varies with page content and use. The same printer compatibility restrictions apply to each cartridge. Check the linked listing for current availability and box condition.
04 / Check your printer
HP LaserJet 4250 and 4350 series: both capacities support compatible models in these families. Check your exact model on the cartridge product page.
HP LaserJet 4240: use HP 42A (Q5942A). HP 42X is not supported in these printers. Confirm your exact printer model and cartridge number before ordering.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Genuine Ink offers the best warranty in the industry! Our exclusive warranty covers toner cartridges for defects:
Genuine Ink is an independent toner reseller and not affiliated with any manufacturer. This allows us to offer original, brand-name toner at the lowest prices around!
HP | Q5942XD
HP | CF230X
HP | CE505X
HP | W2180X
HP | C4127X
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