With an MTBF of 20,000 power-on hours, the Epson C11C524001 is a 9-pin dot matrix printer built for sustained, high-volume document output. It reaches 680 cps at Ultra Speed Draft (12 cpi), steps down to 419 cps at standard draft and 104 cps at near letter-quality, and prints bi-directionally at up to 240 x 144 dpi across 160 columns. The printhead is rated for 400 million characters at 14 dots per character, and the 128K input buffer supports up to 7 multipart form parts, including original plus 5 carbonless copies or 1 + 6 copies with pull tractor at a maximum thickness of 0.018 in. Paper feed runs at 62 milliseconds per 1/6 in, with paper widths from 3.9 in to 10.1 in on single sheets. Parallel and USB interfaces are standard, and Epson ESC/P, IBM PPDS and Oki Microline emulation broaden system compatibility. The chassis weighs 16.80 lb and measures 16.3 in wide by 13.8 in deep by 6.6 in tall, running on 110 V AC at 60.50 Hz.