Patent ID: 7383017
Filing Date: 2008-06-03
Classification: G03G

Abstract:
1. A curl correcting device for use with an image forming apparatus capable of forming a toner image onto a plurality of sheets and discharging the sheets via a discharging unit to one of a plurality of sheet loading units mountable to the image forming apparatus, each sheet loading unit having a stacked portion with a discharge height and one sheet loading unit can have a stacked portion adapted to support the sheets and being positioned relative to the discharge unit by a constant discharge height different from another sheet loading unit, the curl correcting device comprising: a curl corrector operable to correct a curl amount of each sheet; a controller controlling the curl corrector in accordance with a table of curl correction amounts; and a curl correction limiter operable to limit the curl correction amount by the curl corrector in accordance with the constant discharge height of the sheet loading unit receiving the sheets.