To facilitate the work for replacing an ink ribbon without staining the hand.

The ribbon cassette 1 has an ink ribbon 15 stretched from a first guide arm part 14a provided at one end part of a ribbon case 14 toward a second guide arm part 14b provided at the opposite end part wherein a ribbon guide 17 for leading the ink ribbon 15 to a print head 8 part is clamped at the stretching part of the ink ribbon 15 such that the ribbon guide 17 can be fixed removably to the ribbon case body 14. Furthermore, the ribbon guide 17 stops the ink ribbon 15 in slidable shape by means of a ribbon protector 18.