Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorYasumi Yoshida
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a drum heater for heating an image bearing member and a guide for guiding air to the image bearing member. The guide forms a path of the air flow. In the path, there are provided a filter for removing dust from the air adjacent an optical system, a fan and a heater for heating the air. The air heated by the heater is introduced to the image bearing member after passing by or around a corona wire of a charger of the image forming apparatus so as to remove moisture from the image bearing member.
Claims31
An image forming apparatus, comprising:
- an image bearing member;
- first heating means for heating said image bearing member;
- second heating means for heating air;
- means for guiding the air heated to said image bearing member;
- and
- means for controlling said second heating means to operate it during an initial stage of operation of said image forming apparatus.
An image forming apparatus, comprising:
- an image bearing member;
- first heating means for heating said image bearing member;
- temperature detecting means for detecting temperature of said image bearing member;
- first control means for controlling said first heating means in accordance with an output of said temperature detecting means;
- second heating means for heating air;
- means for guiding the air heated by said second heating means to said image bearing member;
- and
- second control means for controlling said second heating means in accordance with the output of said temperature detecting means.
An image forming apparatus, comprising:
- an image bearing member;
- means for heating air;
- means for guiding the heated air to said image bearing member;
- and
- control means for energizing said heating means during an initial stage of operation of said image forming apparatus.
Dependencies are inferred from the claim text.