Image fixing device

An image fixing device includes: a heating part and a pressure roller, a sheet to which toner is attached being adapted to pass through a nip formed between the heating portion and the pressure roller to fix the toner on the sheet; a drive unit adapted to drive the pressure roller; and the transmission part that is connected with the drive unit and the two ends of the pressure roller, and the drive unit simultaneously drives the two ends of the pressure roller to rotate through the transmission part. Therefore, the clamping force between the two ends of the pressure roller and the heating part is balanced, and the fixing quality is improved. 一种图像定影装置，包括：加热部和加压辊，附有碳粉的纸张适于通过所述加热部和所述加压辊间形成的夹持部位，以将碳粉定影在所述纸张上；驱动部，适于对所述加压辊进行驱动；传动部，与所述驱动部及所述加压辊两端相连接，所述驱动部通过所述传动部同时驱动所述加压辊两端旋转。由此，保证所述加压辊两端与所述加热部间夹持力均衡，提高定影质量。