A storing unit stores therein a plurality of different display language data that is switchable according to a use environment of a user. A selecting unit selects a display language data from the storing unit in response to display language specification information supplied from a main unit at a time of starting the electronic device. A displaying unit displays an operation screen with selected display language data. When there is no display language specification information from the main unit, the selecting unit selects a predetermined display language data according to a difference between stored display language data and display language data set in a factory setting.