Entwickler-Trägerelement, Entwicklungsvorrichtung und Einheit mit dieser Vorrichtung.

摘要

A developer carrying member (1) comprises a substrate (5) and a coating film (6). The surface of the substrate (5) is covered with the coating film (6), and the coating film (6) is formed with a film-forming composition. The film-forming composition contains a graphite (4), a carbon black or a mixture thereof, a spherical material (2) having a number average particle diameter of from 0.05 to 30 mu , and a binder resin (3).