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US 2023/0350333 A1Published application
Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorRyoichi Kawasumi
Life of this patent
Estimating the term…
Abstract
In opposition to a sheet feeding path, an ultrafine particle (UFP) collecting filter provided between transfer and fixing is easily exchanged. Therefore, a duct unit kept in a state of holding the UFP collecting filter is removably and easily mounted to a duct.
Claims7
-9. (canceled)
An image forming apparatus comprising:
- an image forming portion configured to form a toner image on a sheet at a first position by using toner containing a parting agent;
- a fixing portion configured to thermally fix, at a second position, the toner image formed on the sheet by the image forming portion;
- a duct, including a suction port provided opposed to a sheet feeding path between the first position and the second position, configured to discharge air to outside of the image forming apparatus;
- a filter, provided at the suction port of the duct, configured to collect particles of a predetermined particle size resulting from the parting agent;
- a holder configured to hold the filter;
- and
- a door provided at a side surface of the image forming apparatus and movable between a first position exposing the fixing portion and a second position covering the fixing portion,
- wherein in a state in which the door is positioned in the first position, the holder is detachable from the duct.
5 more elements
Dependencies are inferred from the claim text.