# Toner Katun Black Toner Replacement TN-321 4000 pages Black

**URL:** https://aio.lv/en/product--katun-43849--238904
**Data updated:** 2025-12-28 21:10 (EET)
**Category:** Laser Printer Toners
**Manufacturer:** KATUN
**Manufacturer code:** 43849
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--katun-43849--238904

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The Katun Black Toner Replacement TN-321 is designed for high-quality printing with a yield of up to 4000 pages. This toner ensures sharp text and vibrant images, making it ideal for both home and office use. Its easy installation and reliable performance help reduce downtime, while the cost-effective design provides excellent value for money. Compatible with various printers, this toner is a smart choice for your printing needs.

## Long description

The Katun Black Toner Replacement TN-321 (MPN 43849) is a single-pack black toner cartridge compatible with Konica Minolta printers. Designed for an estimated yield of up to 4,000 pages, this toner delivers sharp text and consistent monochrome output for home and office printing. The cartridge is part of Katun’s range of new-build and remanufactured laser printer cartridges that undergo quality control throughout production to ensure reliable performance and image quality.
Advantages
Katun’s TN-321 replacement provides consistent print density and crisp black text while offering a cost-effective alternative to OEM cartridges. The product benefits from Katun’s remanufacturing and testing procedures, which include multiple quality checkpoints to maintain performance and reduce the risk of defects during use. Easy installation minimizes downtime and helps maintain productivity.
Suitable for
Monochrome document printing in small offices
High-volume black-and-white reports and drafts
Home office printing with emphasis on text quality
Key specifications
Brand: KATUN
Model / MPN: 43849 (TN-321 replacement)
Compatible brand: Konica Minolta
Colour: Black
Yield: up to 4,000 pages (estimated)
Quantity per pack: 1 pc
How to use
Remove the used cartridge from the printer following the manufacturer’s instructions, unpack the Katun TN-321 replacement, and gently shake it side to side to distribute toner evenly. Insert the cartridge into the printer until it clicks into place, then run a test print or calibration if available. Dispose of the empty cartridge or packaging in accordance with local recycling regulations.
Usage recommendations
Store the cartridge in a cool, dry place away from direct sunlight. For best results, use within the shelf life indicated by the supplier and perform routine printer maintenance to preserve print quality and extend cartridge life.

## Specifications

### Features

| Feature | Value |
|---|---|
| Printing colours | Black |
| Brand compatibility | Konica Minolta |
| Quantity per pack | 1 pc(s) |
| Compatibility | C284 |

## FAQ

### How much does the Toner Katun TN-321 43849 cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 29.06.2026 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 KATUN 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 KATUN 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, 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/238904/62570894_large.webp