Lexmark LEX56F1000 Black Return Program Toner Cartridge

Product Description

The LEXMARK LEX56F1000 is a black Return Program toner cartridge designed for use in select Lexmark MS and MX series laser printers. It uses Unison Toner formulation, which is engineered to deliver consistent image density, sharp text output, and reliable performance across the cartridge's rated yield. The cartridge supports a shake-free print system, eliminating the need to redistribute toner before or during use. Licensed for single use, the cartridge is designed to be returned after depletion for remanufacturing or recycling as part of Lexmark's closed-loop sustainability program. Installation and replacement are performed by IT technicians or qualified office equipment service personnel.

The LEX56F1000 is intended for use in office environments running Lexmark laser printer systems that require consistent monochrome output. Compatible models include the MS321dn, MS421dn, MS521dn, MS621dn, MX321adn, MX421ade, MX521ade, and MX622ade, among others in the Lexmark MS and MX series lineup. This cartridge is appropriate for standard office print workloads where consistent black output and predictable yield are priorities.

Key Features

• Unison Toner formulation delivers consistent image quality and density throughout cartridge life
• Shake-free design requires no toner redistribution before installation or during use
• Return Program cartridge supports sustainability through remanufacturing and recycling after single-use depletion
• Licensed for single use, ensuring predictable yield and controlled print system performance
• OEM cartridge engineered specifically for Lexmark MS and MX series laser printers

Compatibility

Compatible with Lexmark MS321dn, MS421dn, MS521dn, MS621dn, MX321adn, MX421ade, MX521ade, MX622ade, and other select models in the Lexmark MS and MX series printer families.

Installation Notes

Power down or place the printer in a ready state before opening the toner access panel. Handle the cartridge by its housing and avoid touching the drum or toner outlet. Follow the printer's on-screen or printed installation guide for seating the cartridge correctly. Once the cartridge is depleted, use the provided return packaging or label to send it back per the Lexmark Return Program instructions.