# Compatible drum unit for Brother DR-3400/DR-3420, black, replacement for Brother printers

**URL:** https://aio.lv/en/product--nenurodyta-chdr-3400dr-3420-ob--10733238
**Data updated:** 2026-07-27 04:20 (EEST)
**Category:** Drum Cartridges
**Manufacturer:** Nenurodyta
**Manufacturer code:** CH/DR-3400/DR-3420-OB
**EAN:** 871889101350
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-08-29 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nenurodyta-chdr-3400dr-3420-ob--10733238

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.79 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

Compatible drum unit designed for Brother DR-3400 and DR-3420 models in black. This replacement drum restores image transfer performance in compatible laser printers, supporting continued print quality and stable page yields. Suitable for office or home use to replace worn original drums, it helps maintain consistent text and graphics output and reduces downtime.

## Long description

The compatible drum unit for Brother DR-3400 and DR-3420 models is a reliable replacement designed for laser printers. This black drum unit plays a crucial role in the image transfer process, ensuring that text and graphics remain clear and sharp throughout its lifespan. It is engineered to integrate smoothly with select Brother printers, helping to maintain stable page yields and consistent printing performance in both home and office environments.
Advantages
This replacement drum unit provides a dependable and cost-effective alternative to original manufacturer parts without compromising on daily print quality. It supports efficient document production by ensuring smooth toner transfer and reducing common printing flaws such as fading or streaks. Designed for straightforward installation, it helps minimize printer downtime and keeps office workflows running smoothly.
Suitable for
Printing text documents and reports in home offices
High-volume daily printing tasks in small office environments
Replacing worn or depleted original Brother drum units
Maintaining consistent output quality for black and white graphics
When it may not be suitable
This product is not compatible with printer brands other than Brother or models that require a different drum unit series. It is also not intended for color printing applications, as this unit is strictly designed for black toner systems.
Key specifications
Color: Black
Component type: Compatible drum unit
Printer technology: Laser
Replacement for: Brother DR-3400 and DR-3420
How to use
Open the printer front cover and access the drum unit compartment. Carefully release the latch and pull out the old drum unit. Unpack the new replacement drum, remove any protective covers, and insert it firmly into the printer until it clicks into place. Close the printer cover and follow any on-screen prompts to reset the drum counter if required.
What to consider before purchase
Verify your specific printer model to ensure compatibility with DR-3400 or DR-3420 units
Confirm whether you need a replacement drum unit rather than a toner cartridge
Check the current status of your printer maintenance indicators
Usage recommendations: Store the drum unit in its original packaging in a cool, dry place away from direct sunlight until ready for installation. Avoid touching the surface of the drum roller to prevent permanent print quality issues.

## FAQ

### How much does the Drum unit compatible with Brother DR-3400/DR-3420 cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Nenurodyta products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Nenurodyta service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10733238/59844874_large.webp