According to one embodiment, a sheet conveying apparatus includes: a fixing device configured to heat, with a heat roller, a sheet having a toner image transferred thereon and fix a toner on the sheet; a conveying roller arranged downstream of the fixing device and including plural rollers configured to convey the sheet from the fixing device; a heating unit configured to heat the plural rollers of the conveying roller; and a temperature control unit configured to control the heating unit such that the temperature of the plural rollers approaches the toner temperature of the sheet passing through the conveying roller.