Xerox is a technology and services business that develops, manufactures, markets, services and finances a portfolio of document equipment, software, solutions and services. It is perhaps best known, however, for its office photocopiers, printers and fax machines. Xerox helps businesses develop online document archives and analyse how employees can share documents and knowledge in the office more efficiently. It also operates in-house print shops or mailrooms, and builds web-based processes for personalising direct mail, invoices and brochures. The company also offers associated software, support and supplies such as toner, paper and ink.