# Toner cartridge Asarto AS-LO721B black replacement for models compatible with code 45488802, EAN 5901741411993

**URL:** https://aio.lv/en/product--asarto-as-lo721b--11842058
**Data updated:** 2026-03-09 14:57 (EET)
**Category:** Laser Printer Toners
**Manufacturer:** Asarto
**Manufacturer code:** AS-LO721B
**EAN:** 5901741411993
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Asarto AS-LO721B is a black replacement toner cartridge compatible with devices that accept the 45488802 cartridge (EAN 5901741411993). It provides black printing for laser printers or multifunction devices, suitable for text documents, invoices and office use. The cartridge is a direct substitute designed for straightforward installation and consistent monochrome output.

## Long description

Asarto AS-LO721B is a black replacement toner cartridge designed as a direct substitute for printers and multifunction devices that accept the corresponding reference cartridge. It supplies black toner for monochrome laser printing, delivering consistent text density and legible output for everyday office documents. The cartridge is intended for straightforward installation and reliable operation in compatible devices.
Advantages
The cartridge offers consistent black print density and predictable page-to-page quality, supporting clear text and sharp mono graphics. It is manufactured to fit directly into compatible models without modification and is intended to provide stable performance across standard office workloads. The product’s design facilitates simple handling during replacement and reduces downtime associated with cartridge changes.
Suitable for
 Printing invoices, receipts and business correspondence
 Daily black-and-white office documents and reports
 Home office printing needs requiring monochrome output
 Administrative departments and small business workgroups
Key specifications
 Colour: Black
 Technology: Toner cartridge for laser printing
 Intended output: Monochrome text and graphics
 Form factor: Replaceable toner cartridge compatible with devices that accept the referenced cartridge
 Handling: User-installable without tools
How to use
Remove the used toner cartridge according to the device manufacturer’s instructions, taking care to power off the device if recommended. Unpack the replacement cartridge, remove any protective seals or transport tapes, and insert the cartridge into the printer along the guides until it seats securely. After installation, run a test print or alignment routine if the device suggests it to confirm correct installation and optimal print quality.
Usage recommendations
Store the cartridge in a cool, dry place away from direct sunlight and high humidity. Handle the cartridge by its casing to avoid contact with the toner roller. For consistent results, use within the manufacturer’s recommended storage period and replace the cartridge when print density decreases or defect patterns appear on printed pages.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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/11842058/67241441_large.webp

