Photosensitive member unit and development unit

A cartridge comprising:

• a first unit including a first frame, a first pressing member, a second pressing member, a photosensitive drum being rotatable about a first axis which extends in a first direction, wherein the first frame includes (i) a first engaging portion, (ii) a second engaging portion, (iii) a first supporting portion and (iv) a second supporting portion;
• and
• a second unit separatably attached to the first frame, the second unit including (i) a development roller being rotatable about a second axis that extends in a second direction, (ii) a first engaged portion, (iii) a second engaged portion and (iv) a second frame supporting the development roller and accommodating toner, wherein in a state where the second unit is attached to the first frame, the first engaged portion is inserted into the first engaging portion, the second engaged portion is inserted into the second engaging portion, and the second frame is pressed by the first pressing member and the second pressing member such that the development roller is pressed against the photosensitive drum,
• wherein the first supporting portion and the second supporting portion are configured to support the second frame,
• wherein the first pressing member includes a first pressing portion that presses the second frame, the second pressing member includes a second pressing portion that presses the second frame, the first pressing portion and the second pressing portion are located between the first supporting portion and the second supporting portion with respect to the first direction, and
• wherein a region on the development roller is configured to be coated with the toner, the first pressing portion and the second pressing portion are located between both ends of the region with respect to the second direction.