Original OEM Ink Cartridge HP 302/304 (B7RT7AE) (Black) is a reliable choice for Dear Customer when you want crisp, readable documents and deep black text from your Hewlett Packard inkjet printer. As an original HP cartridge, it’s designed to work in harmony with your device—so everyday printing feels smooth, predictable and hassle-free.
With a capacity of 2.00 ml, this cartridge delivers a yield of up to 120 pages (calculated at 5% page coverage). It’s a great option for home printing, school materials and office notes—whenever you need clean lines, strong contrast and consistent results from the first page to the last.
We also take care of what happens before it reaches you: every parcel is carefully protected for transport, so your cartridge arrives safely and ready to install. If you print more often, we encourage you to check the Related products tab—there you’ll find higher-capacity XL options, color cartridges for brilliant colour prints, and convenient multipacks to stock up in one go.
original OEM HP quality for dependable performance;
deep black ink for sharp text and clear everyday documents;
up to 120 pages yield at 5% coverage
Popular printers that the product is compatible with: HP DeskJet 2620 All-in-One, HP DeskJet 2130, HP DeskJet 3762 All-in-One.
Frequently asked questions about this product
Buying an original printer cartridge often turns out to be a huge expense, exceeding the price of a new printer. So when making a purchase, it’s worth considering the availability of compatible cartridges.
Generic cartridges bearing the DrTusz logo are made from high-quality, specially selected, and tested components available on the market. These cartridges deliver the highest print quality, indistinguishable in any way from prints made with original cartridges.
Additionally, our compatible replacement cartridges are covered by the “Golden Warranty”
program—a warranty valid for the entire lifespan of the cartridge. A key benefit of this program is a quick, hassle-free, and effective claims process.
Yes, at DrTusz.pl you’ll find high-quality replacements for original printer cartridges (ink and toner). These are DrTusz brand products that meet the highest quality standards and allow you to save up to 80% compared to original consumables.
All information regarding prices and product availability can be found on our website: www.drtusz.pl.
To find the replacement you need:
- Enter your printer model or the original cartridge’s part number in the search bar located at the top of the page, between DrTusz’s head and our logo.
- Then click on the product you’re looking for in the suggestions pane.
On the product page, you can check whether a DrTusz replacement is available for that original cartridge, as well as its price and availability.
Bei der riesigen Auswahl an Tinten- und Tonerkartuschen kann man leicht den Überblick verlieren, und die richtige zu finden, ist nicht immer einfach.
Falls Sie die gewünschte Tinte/den gewünschten Toner nicht finden, senden Sie eine E-Mail mit Ihrem Druckermodell an sklep@drtusz.pl. Sie erhalten dann umgehend unser Angebot.
Alternativ können Sie sich auch persönlich von einem unserer Experten beraten lassen. Sie erreichen uns telefonisch unter +49 525-22-33-22 (Montag bis Freitag, 9:00–17:00 Uhr).
Our online store does not buy back empty cartridges
. We only offer free disposal of products that were previously purchased from our store.
Used ink and toner cartridges are hazardous waste and must not be disposed of in regular trash bins—that’s why we offer free disposal
so you can help protect the environment in a simple and safe way. For larger quantities of empty cartridges (10 or more), we’ll arrange for pickup by a courier after you contact us via email; for smaller quantities, you can return them to us at your own expense or bring them in person to our brick-and-mortar store.
Companies and public entities can also obtain a Waste Transfer Form (downloadable from the BDO system) if they generate more than 100 kg of such waste annually.
For details and instructions on how to return used cartridges for disposal, see the article:
Disposal at DoktorTusz
Yes, we accept empty cartridges (ink and toner), but only those purchased from our store.
✓10 or more empty cartridges
– please email us at sklep@drtusz.pl
. Once you’ve contacted us, we’ll arrange for a free pickup by courier.
✓Fewer than 10 empty cartridges
– please also contact us via email in advance. In this case, you’ll send the package at your own expense
to our company’s address.
✓Cartridges from other stores—
we do not accept them.
The process consists of the following steps: 1
. Arrange with us how to return the empty cartridges. 2. Fill out the waste transfer form (BDO):
you can fill out the document yourself on the BDO website (we only accept waste under code 160214).
3. Send the empty containers . 4. Upon receipt of the empty containers, we’ll confirm receipt in the BDO system.
Please note: if you do not generate more than 100 kg of such waste per year, the form is not required
.
