Package Contents: 1 Pack TK1172 Toner Cartridge (Black) Compatible Printer Models: M2540d M2540dw(1102RY2US0) M2040dn(1102S33NL0) Our advantages: 1,Repeated inspection during production to ensure compatibility, reliability and safety 2,Cost-effective, fast printing, and gives you excellent performance,Clear and powerful text and images. Printing Performance: 1,Our toner Cartridge deliver photo-quality prints that stay crisp for long periods of time 2,This high yield toner Cartridge the quality of prints clearly smoothly crisp dark sharp, keep real without fading, stably and long lasting. our toner: 1,High quality toner, toner capacity, fine particles, strong adhesion, The image is clear, adding powder is convenient and quick, save time and worry. 2,Create photo-quality printouts for offices in schools, hospitals, governments, trading firms, financial firms, and more. Certificate Approved: With ISO9001 and iso14001 Certificate Approved, Safe and reliable. After sales guarantee: If our products have any quality problems, we offer 3 years limited free replacement service. If Item defective, guaranteed money back: reach us via: 1. “Order List” -> Click “Contact Seller”. 2. Click the store name link under “Add to Cart”-> Click ‘Ask a question’