A recording apparatus comprising: a cartridge comprising: a plurality of electrical terminals (170c-177c); a first portion; and a second portion; a receiving portion configured to receive the cartridge detachably attachable to the receiving portion; an electrical interface (170p-177p) disposed at the receiving portion and configured to contact the plurality of electrical terminals (170c-177c) and a movable member disposed at the receiving portion and configured to slide on the second portion and on the first portion of the cartridge in this order when the cartridge is inserted along the inserting direction into the receiving portion such that the plurality of electrical terminals (170c-177c) contact the electrical interface (170p-177p) characterized by an elastic member configured to urge the movable member first onto the second portion and then onto the first portion during insertion of the cartridge into the receiving portion to apply a force to the cartridge, wherein the plurality of electrical terminals (170c-177c) are arranged along a direction intersecting an inserting direction along which the cartridge is inserted to the receiving portion, wherein, the force applied to the cartridge has a component in a direction opposite to the cartridge inserting direction when the movable member contacts the second portion, and has a component in the cartridge inserting direction when the movable member contacts the first portion, wherein the movable member is configured to slide on the second portion of the cartridge while increasing the elastic force of the elastic member before the movable member contacts the first portion when the cartridge is inserted along the inserting direction into the receiving portion, wherein a first contact portion of the movable member contacting the first portion and a second contact portion of the electrical interface (170p-177p) contacting the electrical terminal (170c-177c) are disposed in this order with respect to the inserting direction, wherein a downstream end of the first portion and a third contact portion of the electrical terminal (170c-177c) contacting the electrical interface (170p-177p) are disposed in this order with respect to the inserting direction, wherein a distance between the first contact portion and the second contact portion is greater than a distance between the downstream end of the first portion and the third contact portion with respect to the inserting direction. a cartridge comprising: a plurality of electrical terminals (170c-177c); a first portion; and a second portion; a plurality of electrical terminals (170c-177c); a first portion; and a second portion; a receiving portion configured to receive the cartridge detachably attachable to the receiving portion; an electrical interface (170p-177p) disposed at the receiving portion and configured to contact the plurality of electrical terminals (170c-177c) and a movable member disposed at the receiving portion and configured to slide on the second portion and on the first portion of the cartridge in this order when the cartridge is inserted along the inserting direction into the receiving portion such that the plurality of electrical terminals (170c-177c) contact the electrical interface (170p-177p) characterized by an elastic member configured to urge the movable member first onto the second portion and then onto the first portion during insertion of the cartridge into the receiving portion to apply a force to the cartridge, wherein the plurality of electrical terminals (170c-177c) are arranged along a direction intersecting an inserting direction along which the cartridge is inserted to the receiving portion, wherein, the force applied to the cartridge has a component in a direction opposite to the cartridge inserting direction when the movable member contacts the second portion, and has a component in the cartridge inserting direction when the movable member contacts the first portion, wherein the movable member is configured to slide on the second portion of the cartridge while increasing the elastic force of the elastic member before the movable member contacts the first portion when the cartridge is inserted along the inserting direction into the receiving portion, wherein a first contact portion of the movable member contacting the first portion and a second contact portion of the electrical interface (170p-177p) contacting the electrical terminal (170c-177c) are disposed in this order with respect to the inserting direction, wherein a downstream end of the first portion and a third contact portion of the electrical terminal (170c-177c) contacting the electrical interface (170p-177p) are disposed in this order with respect to the inserting direction, wherein a distance between the first contact portion and the second contact portion is greater than a distance between the downstream end of the first portion and the third contact portion with respect to the inserting direction.