US 11,054,780 B2
Image forming apparatus with automatic cleaning mode
Hiroshi Oya, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Sep. 3, 2019, as Appl. No. 16/558,434.
Claims priority of application No. JP2018-165051 (JP), filed on Sep. 4, 2018.
Prior Publication US 2020/0073307 A1, Mar. 5, 2020
Int. Cl. G03G 15/00 (2006.01); G03G 15/20 (2006.01)
CPC G03G 15/5016 (2013.01) [G03G 15/2025 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an image forming portion configured to form a toner image on a recording material;
a fixing device including a rotatable heating member and a rotatable pressing member which are configured to fix the toner image with heat and pressure by nipping and feeding, in a nip, the recording material on which the toner image is formed by said image forming portion, wherein the image forming apparatus is configured to execute an operation in a cleaning mode for cleaning a surface of said rotatable heating member by introducing, to the nip, a recording material on which a predetermined toner image is formed by said image forming portion or a recording material on which an image is not formed;
a display;
a selector configured to select at least one of (1) an operation in a manual mode for executing the operation in the cleaning mode by manual input, and (2) an operation in an automatic mode for automatically executing the operation in the cleaning mode when a predetermined condition is satisfied; and
a controller configured (1) to cause said image forming apparatus to execute the operation in the cleaning mode, when the predetermined condition is satisfied in a state in which the selection for the automatic mode is made, (2) to cause said image forming apparatus to execute a first display mode, when the predetermined condition is satisfied in a state in which the selection for the manual mode is made, wherein the first display mode outputs (a) a display prompting execution of the operation in the cleaning mode and (b) a display prompting selecting for the automatic mode or not, and (3) to cause said image forming apparatus to execute a second display mode, when the predetermined condition is satisfied after executing the first display mode in a state in which the selection for the manual mode is made, wherein the second display mode (a) outputs the display prompting execution of the operation in the cleaning mode and (b) does not output the display prompting selecting for the automatic mode or not.