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US 10,649,373 B2Granted
Image forming apparatus with cleaning unit and jam detection
AssigneeCanon Kabushiki Kaisha
InventorYuya Konno
Life of this patent
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Abstract
In a case where a sheet jam detection unit detects that a sheet jam has occurred in an image bearing member, and determines that there is no sheet P at a nip portion, a printer control unit starts cleaning by a cleaning unit without waiting for removal of the sheet P causing the sheet jam.
Claims15
An image forming apparatus comprising:
- a conveyance unit configured to convey a recording medium, the conveyance unit provided on a conveyance path, and;
- an image bearing member configured to bear a toner image to be transferred onto the recording medium;
- a transfer unit configured to transfer the toner image borne by the image bearing member to the recording medium at a transfer position;
- a cleaning unit configured to clean a toner on the image bearing member;
- a detection unit configured to detect a jam of the recording medium occurred in the conveyance path;
- and
- a control unit configured to control the conveyance unit to stop driving of the conveyance unit, in a case where the detection unit detects that the jam of the recording medium occurred in the conveyance path,
- wherein, in a case where the detection unit detects that the jam of the recording medium occurred in the conveyance path, and the control unit determines that no recording medium exists at the transfer position, the control unit allows the cleaning unit to start cleaning without waiting for removal of the recording medium causing the jam.
5 more elements
Dependencies are inferred from the claim text.