CX820de Low Volt CA CO DO CR EC SV GT HN MX NI PA PR US VE . 7-inch eTask color touch screen features an ultra-smooth surface that can be activated by almost anything, including pens, fingertips or nails--without pressure or direct skin contact.1.33 GHz quad core processor with 2 GB of standard memory helps the CX820 Series handle complex jobs, while print speed of up to 52 ppm allows users in high-volume print environments to get fast color output. Even large color print jobs complete quickly so users are more productive