| 摘要 |
PROBLEM TO BE SOLVED: To obtain the use state of a placing part in recovering the replacing part in a device having it. SOLUTION: The placing part such as an ink bottle 2 is provided with a data carrier 3 for keeping the consumption data of consumables and the use state. A data writing/reading unit 9 for writing the data is provided in a device body 1. Further, for detecting the consumption of the consumables, an ink consumption detection part 10 is provided. When use is completed, the consumption data is written in the data carrier 3, together with a use record. Thus, when the replacing part is recovered, the data is read out to recognize the use state. |
