Patent ID: 8419156
Filing Date: 2013-04-16
Classification: B41J

Abstract:
1. An image forming apparatus comprising: a sheet feeding tray configured to accommodate sheets; a printing head configured to form an image by ejecting ink drops onto a sheet conveyed from the sheet feeding tray; a carriage configured to reciprocate in a main scanning direction carrying the printing head, said carriage being arranged above the sheet feeding tray; a sheet ejection tray configured to stack sheets bearing images formed by the printing head thereon, said sheet ejection tray being arranged above the carriage; a sheet amount detector configured to detect an amount of sheets accommodated in the sheet feeding tray; an ejected sheet amount detector configured to detect an amount of sheets ejected onto the sheet ejection tray; a vibration damper configured to damp vibration of the image forming apparatus caused by movement of the carriage; and a controller configured to control the vibration damper to damp vibration of the image forming apparatus in accordance with respective amounts of sheets and ejected sheets detected by the sheet amount detector and the ejected sheet amount detector in prescribed acceleration and deceleration regions of the carriage.