Epson, online at epson.com, save money on hot items when shopping on Epson when applying our coupons, promo codes during checkout. Trust us, these coupons are good. Make the best of our Epson promo codes to get 20% OFF. All discounts are totally free to use. commonly known as Epson , is a Japanese electronics company and one of the world's largest manufacturers of computer printers, information and imaging related equipment. Headquartered in Suwa, Nagano, Japan, the company has numerous subsidiaries worldwide and manufactures inkjet, dot matrix and laser printers, scanners, desktop computers, business, multimedia and home theatre projectors, large home theatre televisions, robots and industrial automation equipment, point of sale docket printers and cash registers, laptops, integrated circuits, LCD components and other associated electronic components. It is one of three core companies of the Seiko Group, a name traditionally known for manufacturing Seiko timepieces since its founding.