BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
FIGS. 1A and 1B are a plan view and a front view illustrating a known drive transmission mechanism, respectively;
FIGS. 2A and 2B are enlarged detailed views of a known driven pulley unit, respectively;
FIG. 3 is a cross sectional view of FIG. 2B taken along a line III-III;
FIG. 4 is an enlarged view illustrating a known insertion hole;
FIG. 5 is a perspective view illustrating an outer appearance of a multi-function apparatus according to an embodiment of the present invention;
FIG. 6 is a longitudinal cross sectional view illustrating an inner structure of the multi-function apparatus;
FIG. 7 is an enlarged cross sectional view illustrating a main structure of a printer unit;
FIG. 8 is a plan view illustrating a main structure of a printer unit;
FIG. 9 is a perspective view illustrating a mechanism in the vicinity of an image recording unit;
FIG. 10 is an enlarged view in the vicinity of a driven pulley;
FIG. 11 is an enlarged view in the vicinity of a hole;
FIG. 12 is a bottom surface view illustrating a nozzle forming surface of an ink jet recording head;
FIG. 13 is a schematic view illustrating an inner structure of the ink jet recording head;
FIG. 14 is a block diagram illustrating a structure of a controlling unit of the multi-function apparatus;
FIGS. 15A and 15B are cross sectional views illustrating essential parts viewing from XV-XV direction of FIG. 10;
FIGS. 16A, 16B and 16C are outer appearances illustrating a front shape and side shapes of the holder body, respectively;
FIG. 17 is a perspective view of the holder body viewing obliquely from a lower direction;
FIGS. 18A, 18B and 18C are views of outer appearance of a shaft viewing from three different directions;
FIG. 19 is an enlarged perspective view of the shaft;
FIGS. 20A and 20B are exploded perspective views explaining an assembly structure of the driven pulley;
FIG. 21 is a cross sectional view of FIG. 15B taken along a line XXI-XXI; and
FIG. 22 is a cross sectional view of FIG. 15B taken along a line XXII-XXII.