Patent ID: 6873822

Claim:
An image forming apparatus comprising: a plurality of sheet storage means; image forming means for forming an image on a sheet fed from any of said sheet storage means; a sheet re-feeding path for guiding again the sheet, which has a first image formed on one side surface thereof by said image forming means, to said image forming means so as to form a second image on the other side surface of the sheet; and a drawing path for drawing in the sheet to switchback it when the sheet having the first image formed thereon is sent to said sheet re-feeding path; wherein said sheet re-feeding path is disposed substantially horizontally at a location below said image forming means; said drawing path is disposed substantially horizontally between said sheet re-feeding path and said plurality of sheet storage means; and a sheet feeding path for feeding the sheet from said sheet storage means crosses said drawing path to join to said sheet re-feeding path.