A process cartridge and an electrophotographic image forming apparatus incorporating the same. The process cartridge includes an electrophotographic photosensitive member, a container supplying a developer to the electrophotographic photosensitive member, a cleaning member including a blade and a support portion supporting the blade, the blade selectively contacting the electrophotographic photosensitive member to remove the developer from the electrophotographic photosensitive member, and a cartridge frame supporting the electrophotographic photosensitive member and the support portion, the cartridge frame including a contact portion contacting the support portion under external forces on the cartridge frame to prevent deformation of the cartridge frame.

 
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