PROCESS UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME

摘要

A process unit includes a rotatable image bearer to bear a toner image on a surface thereof; a developer bearer to supply developer to the image bearer and including a first range, a second range different in property from the first range and adjacent to the first range on an outer side in an axial direction via a first boundary, and a second boundary on an outer side of the first boundary in the axial direction; a cleaning member to remove residual developer from the image bearer; and an abutment part disposed to contact the surface of the image bearer to remove a foreign substance from the image bearer. The abutment part is disposed astride at least one of a first position on the image bearer corresponding to the first boundary, and a second position on the image bearer corresponding to the second boundary.

主权项

1. A process unit comprising:
a rotatable image bearer to bear a toner image on a surface thereof; a developer bearer to supply developer to the image bearer, the developer bearer including:
a first range;a second range different in property from the first range, the second rage adjacent to and outside the first range in an axial direction of the developer bearer via a first boundary; anda second boundary positioned on an outer side of the first boundary in the axial direction of the developer bearer, a cleaning member to remove residual developer from the surface of the image bearer; and an abutment part disposed to contact the surface of the image bearer to remove a foreign substance from the image bearer, the abutment part disposed astride at least one of:
a first position on the image bearer corresponding to the first boundary of the developer bearer; anda second position on the image bearer corresponding to the second boundary of the developer bearer.