PROBLEM TO BE SOLVED: To provide an impact airflow grinding machine using a jet stream in which toner having a vary small particle diameter and high sharpness of the particle size distribution and being capable of fixing at a low temperature in high image quality can be obtained, and to provide a manufacturing method of toner with the grinding machine and toner manufactured by the manufacturing method.;SOLUTION: There is provided an impact airflow grinding machine comprising an ejecting nozzle 2 for ejecting a jet flow to a grinding chamber 4, a jet flow path 11 for supplying an object to be ground into the jet flow, and an impact plate 5 provided at a position opposed to the ejecting nozzle, wherein an impact member 8 is provided on an impact plate support 6 rearward from the impact plate so that the object to be ground dispersed by hitting the impact plate further hits the impact member 8.;COPYRIGHT: (C)2006,JPO&NCIPI
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