Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsMasahiro Makino, Ryuta Ai, Yuichi Hatanaka, Takashi Ueno
Life of this patent
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AssigneeCanon Kabushiki Kaisha
InventorsMasahiro Makino, Ryuta Ai, Yuichi Hatanaka, Takashi Ueno
Estimating the term…
An image forming apparatus includes a photosensitive member; a charging member configured to electrically charge the photosensitive member; a developing device configured to form a toner image by supplying toner to the photosensitive member; a transfer member configured to transfer the toner image from the photosensitive member onto a toner image receiving member; a cleaning member provided in contact with the photosensitive member and configured to remove the toner remaining on a surface of the photosensitive member after transfer; and a controller configured to carry out a process for notifying information on a lifetime of the charging member, on the basis of use amount information on a use amount of the charging member and contact pressure information on contact pressure applied by the cleaning member to the photosensitive member.
1-19. (canceled)
A cartridge detachably mountable to a main assembly of an image forming apparatus comprising:
Dependencies are inferred from the claim text.