Patent ID: 9250583
Filing Date: 2016-02-02
CPC Classification: G03G

Claim Text:
1. A fixing device comprising: an induction current generating section configured to generate induction current; a heating section configured to generate heat through the induction current, wherein the heating section is provided with a fixing belt including a heating layer which generates heat through the induction current; an auxiliary heating section configured to increase the calorific value of the heating section based on the induction current as it is moved closer to the heating section, but not to generate heat itself through the induction current, wherein the auxiliary heating section includes a plurality of division portions divided in a width direction of the fixing belt; a driving section configured to relatively move the heating section and the auxiliary heating section, wherein the driving section moves at least one of the plurality of division portions closer to or away from the fixing belt; and a center portion positioned at the center in the width direction of the fixing belt within the plurality of division portions is fixed at a certain position, wherein the driving section moves side portions positioned at two ends in the width direction of the fixing belt within the plurality of division portions closer to or away from the fixing belt.