100% Genuine- Computer/Laptop Replacement or Internal partsPart Number: CT-S310II-U-BKCT-S310II-U-BKThe CT-S310II receipt pritner is a green step forward towards reducing negative impact on the environment and it is ENERGY STAR compliant. Take advantage of its benefits including lower cost with more features, lower power consumption and excellent paper savings. Energy/Environment standards ENERGY STAR Yes ENERGY STAR Qualified Yes Printer Connectivity Technology: Wired Interface: Serial , USB Max H-Document Size: 3.15 in Max H-Resolution B/W: 203 dpi Max Media Size (Standard): Roll (3.15 in) Max Printing Speed: 378 inch/min Max Printing Width: 2.8 in Max V-Resolution B/W: 203 dpi Media Sizes: Roll (2.3 in) , Roll (3.15 in) Media Type: Thermal paper Min H-Document Size: 2.25 in Output Type: Two-color (monochrome) Technology: Thermal line Type: Receipt Printer Note:Picture may not match actual product. Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity.