Sheet conveying device and image forming apparatus

A sheet conveying device comprising:

• a conveyance belt having a plurality of belt openings formed in a plurality of previously-set suction attraction regions thereof corresponding to ends of sizes of a plurality of types of sheets in a width direction perpendicular to a conveyance direction of each sheet, the conveyance belt configured to convey the sheet;
• a conveyance plate having a plurality of platen openings formed therein at positions corresponding to the belt openings in the width direction, the conveyance plate disposed on a back surface side of the conveyance belt;
• an air intake portion configured to suction air through the belt openings and the platen openings from the back surface side of the conveyance plate;
• and
• a charging portion configured to, by use of a charging member in contact with a plurality of previously-set electrostatic attraction regions provided so as to avoid the suction attraction regions in the conveyance belt, charge the electrostatic attraction regions.