Epson LQ-590II. Maximum print speed: 550 cps Character pitch: 10 cpi Built-in barcodes: Code 128 (A/B/C)Code 39EAN13EAN8Interleaved 2/5POSTNETUPC-AUPC-E. Print head: 24-pin. Standard tray media types: Envelopes Labels Plain paper Roll Cut sheet thickness range: 0.00256 - 0.0193" (0.0650 - 0.49 mm) Continuous paper thickness range: 0.00256 - 0.0193" (0.0650 - 0.49 mm). Buffer size: 128 KB. Standard interfaces: Parallel USB 2.0