An electrophotographic image forming apparatus to which a process cartridge is detachably mountable and which forms an image on a recording medium, comprising: a main body; a main body electrical contact; main body pushing means; attachment means for detachably attaching a process cartridge; conveying means for conveying the recording medium; a main body electrical contact supporting member having the main body electrical contact which is energized in a direction of said process cartridge by a spring; and the process cartridge detachably mountable in a direction (x) orthogonal to (y) to the main body of the electrophotographic image forming apparatus; wherein the cartridge comprises: an electrophotographic photosensitive body; process means (7, 12, 21) for acting on the electrophotographic photosensitive body; a frame body; a memory element for storing information; a cartridge electrical contact portion that is electrically connected to the memory element, and is electrically connectable to the main body electrical contact when the process cartridge is attached to the main body of the electrophotographic image forming apparatus; a main board provided at a portion of the frame body, having the memory element and the cartridge electrical contact portion; and a portion to be pushed, provided at a portion of the frame body and arranged such that the main body electrical contact and the cartridge electrical contact portion are pushed in the direction of being electrically connected by the main body pushing means when the process cartridge is attached to the main body of the electrophotographic image forming apparatus, wherein the main board is provided in a top face side of the frame body, and the portion to be pushed is provided in a bottom face side of the frame body when the process cartridge is attached to the main body of the electrophotographic image forming apparatus, and wherein the main body pushing means is energized in a direction of the process cartridge by another spring. a main body; a main body electrical contact; main body pushing means; attachment means for detachably attaching a process cartridge; conveying means for conveying the recording medium; a main body electrical contact supporting member having the main body electrical contact which is energized in a direction of said process cartridge by a spring; and the process cartridge detachably mountable in a direction (x) orthogonal to (y) to the main body of the electrophotographic image forming apparatus; wherein the cartridge comprises: an electrophotographic photosensitive body; process means (7, 12, 21) for acting on the electrophotographic photosensitive body; a frame body; a memory element for storing information; a cartridge electrical contact portion that is electrically connected to the memory element, and is electrically connectable to the main body electrical contact when the process cartridge is attached to the main body of the electrophotographic image forming apparatus; a main board provided at a portion of the frame body, having the memory element and the cartridge electrical contact portion; and a portion to be pushed, provided at a portion of the frame body and arranged such that the main body electrical contact and the cartridge electrical contact portion are pushed in the direction of being electrically connected by the main body pushing means when the process cartridge is attached to the main body of the electrophotographic image forming apparatus, an electrophotographic photosensitive body; process means (7, 12, 21) for acting on the electrophotographic photosensitive body; a frame body; a memory element for storing information; a cartridge electrical contact portion that is electrically connected to the memory element, and is electrically connectable to the main body electrical contact when the process cartridge is attached to the main body of the electrophotographic image forming apparatus; a main board provided at a portion of the frame body, having the memory element and the cartridge electrical contact portion; and a portion to be pushed, provided at a portion of the frame body and arranged such that the main body electrical contact and the cartridge electrical contact portion are pushed in the direction of being electrically connected by the main body pushing means when the process cartridge is attached to the main body of the electrophotographic image forming apparatus, wherein the main board is provided in a top face side of the frame body, and the portion to be pushed is provided in a bottom face side of the frame body when the process cartridge is attached to the main body of the electrophotographic image forming apparatus, and wherein the main body pushing means is energized in a direction of the process cartridge by another spring.