Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorKENICHI HIROTA
Life of this patent
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Abstract
An image forming apparatus includes a fixing roller to fix an image by heating a sheet on which the image is transferred and to convey the sheet. In a case in which a first plain paper of which a sheet length in a sheet conveyance direction is equal to or more than a predetermined length is conveyed, the fixing roller conveys the first plain paper at a first speed. In a case in which a second plain paper of which the sheet length is less than the predetermined length is conveyed, the fixing roller conveys the second plain paper at a second speed less than the first speed. In a case in which an envelope of which the sheet length is less than the predetermined length is conveyed, the fixing roller conveys the second envelope at the first speed.
Claims9
An image forming apparatus comprising:
- a transfer portion configured to transfer an image to a sheet;
- a fixing portion including a fixing rotatable member configured to fix the image by heating the sheet on which the image is transferred by the transfer portion and to convey the sheet;
- and
- a control portion configured to control a conveyance speed of the fixing rotatable member,
- wherein in a case in which a first plain paper of which a sheet length in a sheet conveyance direction is equal to or more than a predetermined length is conveyed, the fixing rotatable member conveys the first plain paper at a first speed,
- wherein in a case in which a second plain paper of which the sheet length in the sheet conveyance direction is less than the predetermined length is conveyed, the fixing rotatable member conveys the second plain paper at a second speed less than the first speed, and
- wherein in a case in which a second envelope of which the sheet length in the sheet conveyance direction is less than the predetermined length is conveyed, the fixing rotatable member conveys the second envelope at the first speed.
Dependencies are inferred from the claim text.