9-pin technology Dot Matrix printer prints up to 337 characters per second in 12 characters-per-inch, high-speed draft mode. Features greater flexibility with serial, parallel and USB ports. Delivers an MTBF rating of 6,000 POH. Produces up to 400 million strokes per wire. Handles five-part forms with ease. Includes eight built-in bar code fonts so you can customize documents as needed. Works effectively in space-constrained environments using little counter space. Lightweight printer generatesspreadsheets, mailing labels, and correspondence with clear, sharp text. At 49 dB, the LX-300+II is quieter than most impact printers. Printer has an 8K input buffer; USB, Parallel, Serial interfaces; and continuous feed of 88 milliseconds per 16" and 3" per second. Paper size ranges from 3.9" to 10.1".