| 摘要 |
In an expendable part installation structure and an imaging apparatus implementing such a structure, both disclosed herein, identification features for identifying an expendable part and its corresponding setting part are improved and a replacement procedure for replacing an expendable part is facilitated. A carriage in an ink jet printer includes plural setting parts that are provided with solid portions. Ink cartridges that are arranged to be set to the setting parts are also provided with solid portions. The number of protrusions provided at the solid portion of a setting part is arranged to equal the number of protrusions provided at the solid portion of a corresponding ink cartridge to facilitate identification of a match between the parts. For example, it may be easily determined that an ink cartridge with one protrusion is arranged to be set to a setting part with one protrusion. The solid portions may be easily recognized through touch, and thereby, setting positions of the ink cartridges may be easily determined.
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