Canon kabushiki kaisha (20250116963). IMAGE FORMING APPARATUS
IMAGE FORMING APPARATUS
Organization Name
Inventor(s)
MASATAKA Mochizuki of Shizuoka JP
IMAGE FORMING APPARATUS
This abstract first appeared for US patent application 20250116963 titled 'IMAGE FORMING APPARATUS
Original Abstract Submitted
an image forming apparatus includes an apparatus main body, an image bearing member, a first cartridge that has a charging member, a second cartridge, an exposure unit that has a light-emitting portion that is capable of switching between an emitting state and a non-emitting state, the exposure unit entering the non-emitting state in a state in which the second cartridge is detached from the apparatus main body, a current detecting portion that detects a charge current flowing in the charging member, a potential changing portion that changes a potential of a surface of the image bearing member, and a determination portion that determines whether or not the first cartridges is attached to the apparatus main body, and whether or not the second cartridges is attached to the apparatus main body, on the basis of the charge current detected by the current detecting portion.