Power through demanding print runs with the ROYOE 66S1000 Black Toner Cartridge, engineered for dependable performance and crisp monochrome output. This compatible toner is precisely tailored for Lexmark MS531, MS531dw, MS631, MS631dw, MS632, MS632dwe, MX532, MX532adwe, MX632, and MX632adwe laser printers, delivering seamless fit and consistent results. With a high yield of up to 5,500 pages per cartridge at 5% coverage (Letter/A4), it’s an ideal, cost-efficient replacement for busy offices and productivity-focused home users alike. Expect sharp text, solid fills, and clean graphics designed to stay legible without smudging, streaking, or premature fading, so memos, invoices, reports, and labels look professional from the first page to the last. Optimized for paper (plain) print media and single-color laser output, this 1-pack includes one brand-new FK-66S1000-1PK toner cartridge ready to install and get to work. Backed by ROYOE’s 2-year warranty, you can buy with confidence knowing your printing needs are supported over the long term. If questions arise, responsive support stands ready to help. Choose the ROYOE 66S1000 high yield black toner to keep your Lexmark MS/MX series printer performing at its best while controlling cost per page and maintaining the crisp, high-contrast quality your documents demand.- Brand: ROYOE- Type: Toner Cartridge- Color: Black- Manufacturer Warranty: Yes- Model: FK-66S1000-1PK- Unit Quantity: 1- Unit Type: Unit- Perfect for: Lexmark MS531 MS531dw MS631 MS631dw MS632 MS632dwe MX532- Compatible With: Lexmark MS531 MS531dw MS631 MS631dw MS632 MS632dwe MX532 MX532adwe MX632 MX632adwe Printers Toner(1-Pack) 66S1000- MPN: 00001742- UPC: N/A- Item Number: 00001742