Patent ID: 11868084
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. An image forming apparatus comprising:
a housing having an opening;
a cover configured to open the opening in an open state and to close the opening in a close state, the cover in the open state being configured to allow a sheet with a toner image fixed thereon to be ejected through the opening;
a photosensitive drum configured to form a toner image onto a sheet;
a heater configured to heat the sheet to fix the toner image on the sheet, the heater being located between the cover in the close state and the photosensitive drum;
a fan configured to force air out of the housing;
a controller configured to execute a printing process for forming a toner image on a sheet; and
a temperature sensor,
wherein during execution of the printing process, the controller is configured to cause the fan to rotate at a first speed if the cover is in the closed state, and to rotate at a second speed lower than the first speed if the cover is in the open state, and
wherein during execution of the printing process, the controller is configured to cause the fan to rotate at the second speed when a temperature based on a detection result of the temperature sensor is below a temperature threshold even if the cover is in the closed state.