PROCESS CARTRIDGE PROVIDED WITH CLEANING UNIT

摘要

A process cartridge includes a photosensitive drum, a developing roller, a frame, a first seal member, a second seal member, and a cleaning member. The developing roller is configured to supply developing agent to the photosensitive drum. The developing roller has a first end and a second end in an axial direction of the photosensitive drum. The first seal member is positioned between the frame and the first end of the developing roller. The first seal member has a first end inwardly in the axial direction. The second seal member is positioned between the frame and the second end of the developing roller. The second seal member has a second end inwardly in the axial direction. The cleaning member is positioned between the first end of the first seal member and the second end of the second seal member in the axial direction.

主权项

1. A process cartridge comprising:
a photosensitive drum having a peripheral surface configured to face a transfer roller, the photosensitive drum being rotatable in a rotating direction; a developing roller configured to supply developing agent to the peripheral surface, the developing roller defining an axial direction and having a first end at a first side and a second end at a second side opposite to the first side in the axial direction; a frame accommodating the developing roller; a first seal member positioned between the frame and the first end of the developing roller, and the first seal member having a first end at the first side inwardly in the axial direction; a second seal member positioned between the frame and the second end of the developing roller, and the second seal member having a second end at the second side inwardly in the axial direction; and a cleaning member positioned downstream of the transfer roller and upstream of the developing roller in the rotating direction, the cleaning member being in contact with the photosensitive drum, the cleaning member positioned between the first end of the first seal member and the second end of the second seal member in the axial direction.