Cost-Efficiency All in one Plus™ Interface Triple Interface USB V2.0 FS + Ethernet + Serial Dual Interface USB V2.0 FS + Serial USB V2.0 FS + Parallel USB V2.0 FS + SD Paper saving mode, reducing the length of a receipt up to 25% Reliable Printing Performance Printing speed up 220 mm/sec High reliability mechanism : 150 km TPH & 1.5 Million cuts Auto Cutter 203 dpi supported User-Friendly Design Stand-alone or space-saving wall-mount use 2" or 3" paper choice 2 inch partition included Anti-jam guide Easy Tracking™ supports a QR code linking to the technical support micro site on a unique label plate found on the bottom of the printer