Patent ID: 9176470
Filing Date: 2015-11-03
Classification: B41J,G03G

Abstract:
1. An image forming apparatus comprising: a filter filtering and ejecting an air; and an exhaust duct flowing and ejecting the air to the filter, wherein the exhaust duct includes a partition plate made of one helical plate member provided on the inner circumferential face of the exhaust duct so as to extend along the inner circumference of the exhaust duct and in the exhaust direction, the partition plate being formed so as to incline in an opposite direction to the exhaust direction, the exhaust duct is further formed by bending in the middle, and the partition plate is arranged at the downwind side in the exhaust direction from the bent portion of the exhaust duct and an end of the partition plate at the most upwind side is provided near an innermost course in the bent portion.