Purchase Notes: For your convenience, before purchasing please refer to the Product Description as below Compatible Printers: Replacement for Sharp MX-3050N 3550N 4050N 3060N 3560N 4060N MX-3070N 3570N 4070N 5050N 5070N 6050N 6070N MX-2651 3051 3061 3071 3551 3561 3571 4051 4061 4071 5051 5071 6051 6071 High Capacity: 50000 Pages at 5% Coverage (Letter /A4) Condition: Our compatible cartridges from ISO 9001/14001; STMC; CE; ROHS Certified factory.LCL compatible supplies provide high-quality raw materials to ensure printing effect, and strict management ensure the stable quality Individual Package: LCL product is packaged in separate box, suitable for long-term storage, to avoid product damage or ink/toner leakage and other problems. Strict Testing: All products are tested in three stages: Stage 1 - reliability test of raw materials; Stage 2 - finished product color fidelity test; Stage 3 - strict double test: print testing during the manufacturing phase and final testing before leaving factory