# Incore Toner Cartridge Black TN-421 Replacement IB-421B for Laser Printers

**URL:** https://aio.lv/en/product--incore-ib-421b--4819179
**Data updated:** 2026-03-07 14:58 (EET)
**Category:** Laser Printer Toners
**Manufacturer:** Incore
**Manufacturer code:** IB-421B
**EAN:** 5902837452913
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--incore-ib-421b--4819179

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Incore Toner TN-421 (IB-421B) is a black replacement toner cartridge compatible with printers that use the TN-421 series. It supplies black toner powder for monochrome laser printing, intended for text documents and simple graphics. The cartridge is a direct-fit compatible (zamiennik) designed for straightforward installation and regular office or home use.

## Long description

Incore Toner TN-421 (IB-421B) is a black replacement toner cartridge designed as a direct-fit compatible for printers that accept the TN-421 series. It supplies black toner powder for monochrome laser printing and is intended primarily for text documents and simple graphics. The cartridge is suitable for routine office and home printing where reliable black output and straightforward installation are required.
Advantages
The cartridge offers easy installation and a form factor that matches printers built for the TN-421 series, enabling quick replacement with minimal downtime. It provides consistent black density for clear text and simple line graphics, and is engineered to work with standard laser printing workflows. As a direct-fit compatible unit, it aims to deliver predictable yield and print quality comparable to original equipment in everyday use.
Suitable for
 Black-and-white document printing in small offices
 Home printing of text documents and occasional charts
 Administrative tasks such as invoices, letters and reports
 School or student assignments requiring clear mono text
Key specifications
 Color: Black
 Cartridge type: Direct-fit replacement for TN-421 series
 Print technology: Monochrome laser
 Intended output: Text documents and simple graphics
 Fit: Designed for straightforward user installation
How to use
Turn off the printer or set it to standby according to the device manual, open the front or top cover to access the toner compartment, remove the empty cartridge by following the printer manufacturer’s removal steps, and insert the Incore TN-421 replacement until it clicks into place. Close the cover and power the printer on if necessary; allow the device to initialize and recognize the new cartridge before printing. Run a test page or alignment routine if recommended by the printer to verify correct installation and print quality.
Usage recommendations
Store the cartridge in a cool, dry place away from direct sunlight and extreme temperatures. Handle the cartridge carefully to avoid exposure to toner powder; if toner gets on clothing or skin, wipe it off with a dry cloth and clean affected surfaces according to the printer manual. For best results, use the cartridge in printers specified for the TN-421 series and perform routine maintenance such as cleaning the paper path and replacing drum units as recommended by the printer manufacturer.

## FAQ

### How much does the Incore Toner TN-421 Replacement IB-421B cost, and is it available for purchase?

The price is 17.99 € (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 14.07.2026 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 Incore 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 Incore 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/4819179/30302326_large.webp