Get crisp, reliable, high-contrast printing with the 20N10K0 black toner cartridge —engineered for outstanding compatibility with Lexmark CS331, CS431, CX331, CX431 and their variants, including CS331dw, CS431dw, CX331adwe, CX431adw . This toner is built with an upgraded intelligent smart chip , ensuring automatic printer recognition, smooth operation, and consistent print output without compatibility issues. According to the official product information on page 2 and 4, the latest chip enables accurate data reading and stable efficiency , guaranteeing each print job performs exactly as expected. With a high page yield of up to 1500 pages at 5% coverage , this high-yield Lexmark toner replacement is ideal for busy environments such as offices, schools, hospitals, banks, and home workstations. The enhanced toner formulation produces sharp text, rich blacks, and improved image clarity , as shown in the product’s “After vs Before” print quality comparison (page images). Printing becomes cleaner, faster, and more efficient—perfect for reports, documents, forms, invoices, and technical prints. This cartridge installs easily using a simple four-step process (shake, remove cover, pull sealing tape, insert). The built-in chip means no modifications, no extra tools, and no error messages . Designed for users who demand both quality and value, it delivers OEM-level performance at a lower cost. Whether you need dependable printing for professional, academic, or high-volume personal use, this 20N10K0 smart-chip toner cartridge offers durability, clarity, and long-lasting performance that keeps productivity moving. ITEM SPECIFICS

• Brand: XWWHGG
• Type: Toner Cartridge
• Model: 20N10K0 (Black)
• MPN: 00001052
• UPC: N/A
• Unit Quantity: 1
• Unit Type: Cartridge
• Compatible Brand: For Lexmark
• Compatible Model: CX331, CX431, CS331, CS431
• Features: Smart Chip Technology, High Stability, High Yield (1500 pages), Crisp Print Quality, Easy Installation
• Color: Black
• Compatible Devices: CS331, CS431, CX331, CX431, CS331dw, CS431dw, CX331adwe, CX431adw
• Power Source: Not applicable
• Material: Plastic Cartridge + Electronic Smart Chip
• Department: Office / Home Office / Business
• Page Yield: Up to 1500 pages at 5% coverage
• Package Weight: 2 lb 0 oz (rounded)
• Package Dimensions: 14 × 6 × 5 inches (rounded)
• Perfect For: Schools, Offices, Home Workstations, Hospitals, Banks
• Custom Bundle: Yes
• Item Number: 00001052