# Asarto Drum Unit for Brother 3400DN DR3400 50,000 pages Black

**URL:** https://aio.lv/en/product--asarto-as-lb3400dn--11843957
**Data updated:** 2026-03-09 15:00 (EET)
**Category:** Drum Cartridges
**Manufacturer:** Asarto
**Manufacturer code:** AS-LB3400DN
**EAN:** 5901741413324
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asarto-as-lb3400dn--11843957

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Asarto drum unit compatible with Brother 3400DN (model DR3400) in black. Rated for approximately 50,000 pages, this replacement drum is intended for monochrome laser printers and handles image transfer between toner and paper. Suitable for maintenance and part replacement to restore print quality and extend device service life in offices and workgroups.

## Long description

Asarto drum unit compatible with Brother 3400DN (DR3400) in black is a replacement imaging drum designed for monochrome laser printers. Rated for approximately 50,000 pages, the unit transfers toner images from the toner cartridge to paper and is intended for routine maintenance and part replacement to restore print quality and extend the service life of office and workgroup devices.
Advantages
The drum unit provides consistent image transfer and is engineered to match the operational cycle of high-performance monochrome printers. With an estimated yield of 50,000 pages, it reduces the frequency of drum replacements and supports predictable maintenance intervals. The unit is designed to be installed without special tools and maintains stable print density and sharpness throughout its rated life.
Suitable for
Monochrome laser printing in small to medium offices
Workgroup printers with moderate to high monthly page volumes
Routine maintenance and scheduled part replacement
Restoring uniform print quality and reducing background artifacts
Key specifications
Color: Black (imaging drum for monochrome output)
Typical yield: approximately 50,000 pages
Function: image transfer drum for laser printing
Compatibility: designed for use with Brother 3400DN series monochrome printers
Form factor: replaceable drum unit for user-level maintenance
How to use
Turn off the printer and allow it to cool before replacing the drum unit. Open the printer cover, remove the toner cartridge assembly as described in the printer manual, then take out the spent drum unit. Unpack the replacement drum and, if applicable, remove any protective tape or covers. Install the new drum unit in the correct orientation, reinsert the toner cartridge assembly, close the cover, and power the printer on. Follow any on-screen or manual prompts to reset the drum counter if required by the printer model.
Usage recommendations
For consistent results, use the drum unit in combination with compatible high-quality toner cartridges and follow the printer manufacturer's maintenance schedule. Store spare drum units in a dry, dust-free environment away from direct sunlight and extreme temperatures. Replace the drum if you observe streaking, ghosting, or a decline in print density before the rated page count.

## FAQ

### How much does the Asarto Drum Unit DR3400 for Brother 3400DN cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 15.07.2026 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 Asarto 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 Asarto 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/11843957/67243217_large.webp