A cleaning device (500, 500A, 500B) comprising: a cleaning portion (570A, 570B) for coming into contact with an image carrier that carries a toner image; and a pressing portion (560A, 560B) for pressing the cleaning portion (570A,570B) against the image carrier, wherein the pressing portion (560A, 560B) including a clamping surface (562, 571) that clamps the cleaning portion (570A, 570B) from both sides in cooperation with the image carrier, and a protruding portion that protrudes from the clamping surface toward the image carrier, and the protruding portion is a ridge, a rubbing roller for rubbing the image carrier, wherein the pressing portion (560A, 560B) includes a support bracket (560A, 560B) that supports the rubbing roller, and the cleaning portion (570A, 570B) is a seal member (570A,570B) for being pressed against an adjacent region of the image carrier by the support bracket (560A,560B), the adjacent region being adjacent to a rubbed region of the image carrier that is rubbed by the rubbing roller, a cleaning blade including an abutment edge for abutting against the rubbed region after the rubbing roller, wherein the protruding portion includes a first end portion (565A, 565B) and a second end portion (566A,566B) that is further away from the rubbing roller than the first end portion (565A,565B), and the first end portion (565A, 565B) is located downstream of the second end portion (566A,566B) with respect to a direction in which the adjacent region of the image carrier moves, wherein the abutment edge is located above a position at which the rubbing roller rubs the image carrier, and a housing that accommodates the rubbing roller, wherein the rubbing roller for coming into contact with the rubbed region via an opening portion formed in the housing conveys toner removed from the rubbed region and adhering to the rubbing roller to an inside of the housing, characterized in that the cleaning device (500, 500A, 500B) further comprising: a separating plate that separates the toner from the rubbing roller, and a discharge portion that discharges the toner separated by the separating plate out of the housing. a cleaning portion (570A, 570B) for coming into contact with an image carrier that carries a toner image; and a pressing portion (560A, 560B) for pressing the cleaning portion (570A,570B) against the image carrier, wherein the pressing portion (560A, 560B) including a clamping surface (562, 571) that clamps the cleaning portion (570A, 570B) from both sides in cooperation with the image carrier, and a protruding portion that protrudes from the clamping surface toward the image carrier, and the protruding portion is a ridge, a rubbing roller for rubbing the image carrier, wherein the pressing portion (560A, 560B) includes a support bracket (560A, 560B) that supports the rubbing roller, and the cleaning portion (570A, 570B) is a seal member (570A,570B) for being pressed against an adjacent region of the image carrier by the support bracket (560A,560B), the adjacent region being adjacent to a rubbed region of the image carrier that is rubbed by the rubbing roller, a cleaning blade including an abutment edge for abutting against the rubbed region after the rubbing roller, wherein the protruding portion includes a first end portion (565A, 565B) and a second end portion (566A,566B) that is further away from the rubbing roller than the first end portion (565A,565B), and the first end portion (565A, 565B) is located downstream of the second end portion (566A,566B) with respect to a direction in which the adjacent region of the image carrier moves, wherein the abutment edge is located above a position at which the rubbing roller rubs the image carrier, and a housing that accommodates the rubbing roller, wherein the rubbing roller for coming into contact with the rubbed region via an opening portion formed in the housing conveys toner removed from the rubbed region and adhering to the rubbing roller to an inside of the housing, a separating plate that separates the toner from the rubbing roller, and a discharge portion that discharges the toner separated by the separating plate out of the housing.