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

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.