Package Contents: 1-Pack 045 White Toner Cartridge. Compatible Printer Models: imageCLASS MF631Cn imageCLASS MF632Cdw imageCLASS MF633Cdw imageCLASS MF634Cdw imageCLASS MF635Cx i-SENSYS MF635Cx imageCLASS LBP610C imageCLASS LBP611Cn imageCLASS LBP612Cdw imageCLASS LBP613Cdw i-SENSYS LBP613Cdw Our advantages: Cost-effective, fast printing, and gives you excellent performance, Clear and powerful text and images. Printing Performance: Our Toner Cartridges deliver photo-quality prints that stay crisp for long periods of time Use our toner: Create photo-quality printouts for offices in schools, hospitals, governments, trading firms, financial firms, and more. After-sale service: If our products have any quality problems, we offer 3 years limited free replacement service.