A sheet conveying device includes: a housing in which a conveying path of a sheet is formed; a roller configured to convey the sheet by rotation; a motor arranged inside of the housing; a drive transmitter configured to transmit a drive force of the motor to the roller; a movement member including a guide part configured to guide the sheet and at least a part of the drive transmitter, the movement member being movable to a first position closing the inside of the housing with respect to an outside of the housing and a second position different from the first position; and a dust proofing part attached to a position filling a gap between the movement member located in the first position and the housing.