Compatible with SP400DN and SP450DN printers, ensuring seamless integration and dependable performance. Optimized performance delivering clear, consistent prints to improve workflow and overall output. page yield ideal for volume environments, reducing replacement frequency and downtime. Easy installation with a straightforward replacement process, enabling quick to printing. Durable construction built to withstand daily use, delivering reliable operation and long service life. Delivers consistent quality with every print, meeting the needs of both and professional printing. Use scenarios: Small office printing daily invoices, reports, and client communications that require reliable, predictable output. Home office tasks such as statements, forms, and project documents that need consistent results. Small business or department volume runs like training materials, memos, and internal documents.