| 摘要 |
PROBLEM TO BE SOLVED: To provide an image formation apparatus which can estimate a change in the weather. SOLUTION: An image formation apparatus which is provided with a means to measure an ink concentration is provided with a measured-data storage part 3 which measures and stores a change in the ink concentration in a prescribed time, with a statistical-data storage part 5 in which weather information and statistical data on the change in the ink concentration in the prescribed time are stored in advance and with a comparison means 6 in which measured data on the change is compared with the statistical data. The image formation apparatus is constituted in such a way that they are compared and collated on the basis of compared data and that the weather information is estimated. |
