This is an original, OEM Lexmark 52D1H00 (521H) high yield black laser toner cartridge for your Lexmark laser printer. It delivers an impressive yield of up to 25,000 pages, ensuring you can print high volumes without frequent replacements. The Lexmark 52D1H00 toner cartridge provides exceptional print quality, producing crisp and clear pages that are ideal for both home and office use.