Patent ID: 7664422

Claim:
An image forming system, comprising: an image forming section to form an image on a sheet; a fixing section to fix the image formed on the sheet; and a sheet processing unit having: a sheet conveying passage to convey the fixed sheet from the fixing section; a humidifying roller arranged on the sheet conveying passage and to come in contact with the sheet conveyed on the sheet conveying passage so as to humidify the sheet; a water supplying tank to feed water to the humidifying roller; a pair of supporting members between which the humidifying roller is supported and the water supplying tank is located; a housing to form an enclosed space in which the sheet conveying passage, the humidifying roller, the water supplying tank and the pair of supporting members are accommodated; an electric component; and a waterproofing member including a partition member provided between a side wall of the housing and one of the pair of supporting members, wherein the electric component is arranged between the partition member and the side wall so that the electric component is protected from being in contact with water droplets by the partition member.