| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an electrophotographic dry developer not causing the problems of surface fogging, the scattering of the toner, the spoilage of the carrier, etc., and having high safety. SOLUTION: This electrophotographic dry developer consists of a toner contg. triphenylmethane compd. represented by the formula and a ferrite carrier contg. 1-10mol% MgO and 90-99.0mol% Fe2 O3 .</p> |
