Patent ID: 8025290
Filing Date: 2011-09-27
Classification: B65H

Abstract:
1. An image forming device comprising: a sheet conveying unit that conveys a sheet in a sheet feeding direction; a pair of fixing rollers that nips the sheet fed from the sheet conveying unit to fix a visible image onto the sheet, each of the pair of fixing rollers having a roller axis; a sheet guide unit displaceable to one of a first position and a second position to guide a travel of the sheet fed from the pair of the fixing rollers and to change a locus of the sheet toward a downstream side of the pair of the fixing rollers, the first position and the second position being remote from each other in a direction intersecting with at least one of the roller axes; a position detector that detects a position of the sheet guide unit; a first sheet sensor that detects passing of the sheet at a first fixed position upstream of the pair of fixing rollers in the sheet feeding direction; a second sheet sensor that detects arrival of the sheet at a second fixed position downstream of the pair of fixing rollers in the sheet feeding direction; and a control unit to which the position detector, the first sheet sensor and the second sheet sensor are connected, the control unit comprising: