Printing apparatus having means fixing ink ribbon unit and intermediate transfer sheet unit in printer body

Abstract

The printing apparatus comprises a first detachable unit U, a second detachable unit U, and a main body unit Uformed such that the first and second detachable units Uand Uare detachably mounted thereto. When a unit fixing meansprovided on a head unit Uof the main body unit rotates in a clockwise direction to be laid horizontally and then a bossis fitted into a concave portionA, the head unit Uand a pinch roller unit Uare connected to each other through the unit fixing means. The first detachable unit is pressed by a left end of the unit fixing means, and the second detachable unit is pressed by a right end of the unit fixing means. As a result, it is possible to prevent the first and second detachable units from separating from the main body unit forward. In addition, when the unit fixing means is rotated in a counterclockwise direction to be upwardly constructed, the first detachable unit Uand the second detachable unit Ucan be mounted detachably to the main body unit.