# Toner cartridge Brother TN-421BK Original Black, 1 pc, Black printing

**URL:** https://aio.lv/en/product--brother-toner-black-pages-3000--11954904
**Data updated:** 2026-03-11 13:52 (EET)
**Category:** Laser Printer Toners
**Manufacturer:** Brother
**Manufacturer code:** Toner, Black Pages 3.000
**EAN:** 5711783505600
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 145.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 120.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--brother-toner-black-pages-3000--11954904

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

Original Brother TN-421BK black toner cartridge for compatible Brother printers. Supplied as a single unit (1 pc) in black, designed for monochrome printing tasks. Used for document and office printing where consistent black output and OEM compatibility are required. Suitable for routine replacements and standard print workflows.

## Long description

Original Brother TN-421BK black toner cartridge, supplied as a single unit, is designed for monochrome laser printing in compatible Brother printers. The cartridge provides consistent black output for office documents, reports and standard print workflows, with an estimated yield of approximately 3,000 pages measured to ISO/IEC standards. It is intended as a routine replacement to maintain OEM print quality and reliability.
Advantages
The genuine Brother TN-421BK cartridge is engineered to deliver stable, high-contrast black text and sharp monochrome graphics from the first page to the last. As an original consumable, it is formulated to work with Brother imaging systems to reduce the risk of printer faults and maintain predictable performance. The cartridge’s capacity supports extended print runs, helping to reduce the frequency of replacements and minimize workflow interruptions.
Suitable for
 Office document printing: letters, invoices, contracts
 Black-and-white reports and internal communications
 Routine cartridge replacement in compatible Brother laser printers
 Environments requiring consistent monochrome output and reliable OEM supplies
Key specifications
 Printing colour: Black
 Quantity: 1 cartridge per pack
 Estimated yield: around 3,000 pages (ISO/IEC test conditions)
 Weight: approximately 0.479 kg
 Type: Original (manufacturer) toner cartridge for monochrome laser printing
How to use
Turn off the printer and wait a few minutes to allow internal components to cool. Open the printer cover or toner access panel according to the printer’s user manual, remove the empty cartridge by pulling it straight out, and unpack the replacement TN-421BK cartridge from its protective packaging. Gently shake the new cartridge from side to side to distribute toner evenly, remove any protective seals, and insert the cartridge into the correct slot until it clicks into place. Close the access panel, power the printer on if required, and perform a short test print or alignment check following the printer’s instructions.
Usage recommendations
Store unopened cartridges in a cool, dry place away from direct sunlight. Use within the manufacturer’s recommended period and handle by the cartridge housing to avoid contact with the toner surface. If print quality declines, run any printer cleaning or calibration routines and replace the cartridge when prompted to maintain consistent black output.

## Specifications

### Features

| Feature | Value |
|---|---|
| Type | Original |
| Printing colours | Black |
| Brand compatibility | Brother |
| Quantity per pack | 1 pc(s) |
| Product colour | Black |
| Country of origin | China |
| Approximate page yield (black, ISO/IEC 19798) | 3000 pages |
| Compatibility | HL-L8260CDW, HL-L8360CDW, DCP-L8410CDW, MFC-L8690CDW, MFC-L8900CDW |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.479 kg |
| Package weight | 872 g |
| Height | 343 mm |
| Width | 183 mm |
| Depth | 140 mm |
| Package type | Box |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) cases per pallet | 30 pc(s) |
| Layers per pallet | 5 pc(s) |
| Products per pallet | 120 pc(s) |
| Master (outer) cases per pallet layer | 6 pc(s) |
| Pallet gross weight | 122400 g |
| Pallet gross height | 163 mm |
| Harmonized System (HS) code | 84439990 |
| Pallet type | 800 x 1200 mm |

## FAQ

### How much does the Brother TN-421BK toner cartridge (Black) cost, and is it available for purchase?

The price is 145.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 29.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Brother TN-421BK toner cartridge (Black) be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Brother 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 Brother 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: brand compatibility, quantity per pack, weight, printing colours, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11954904/67484147_large.webp