Other

Satoshi Shirasawa

Isao Nakajima

Yukio Otome

Kazutaka Sato

Shuho Yokokawa

Kenji Asuwa

An image production apparatus includes at least one image production unit having a latent image forming device for forming a latent image on an image carrying member and a developing device for attaching toner to the latent image formed by the latent image forming device. A toner image formed by the image production unit is transferred to a transfer medium to produce an image. The image production apparatus further includes a periodicity giving device for giving periodicity to movement in a main scanning direction of the image carrying member or transfer medium. According to this periodicity, the movement time from an image forming position to a transfer position, or the movement time of a transfer medium between adjacent transfer positions is set equal to an integral multiple of the period.

Image production apparatus

In an image forming apparatus, attachment/detachment guide pins ( and ) are disposed on a side face of a belt cartridge ( ). Attachment/detachment guide grooves ( , and ) which guide the attachment/detachment guide pins ( and ) are disposed in a frame ( ) of a main unit of an image forming apparatus. A belt tension applying mechanism including a tension link ( ) and a spring ( ) is disposed on the side of the apparatus main unit. When the belt cartridge ( ) is to be attached to the apparatus main unit, the cartridge is attached along the attachment/detachment guide grooves ( and ), so that the rotation shaft of a tension roller ( ) is easily and surely engaged with the belt tension applying mechanism ( and ).

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Tsuchiura, Japan

Satoshi Shirasawa