Samsung Electronics Co., Ltd.

Hewlett-packard Development Company, L.p.

Chang Yong Sung

Soo Yong Kim

Sang Bum Woo

Jae Il Yu

An image forming apparatus and a method of reducing image banding of the image forming apparatus is provided. The image forming apparatus includes: a photoconductor unit on which an electrostatic latent image is formed; and a conveying unit configured to convey printing medium at a first conveying velocity toward the photoconductor unit, and configured to convey the printing medium at a second conveying velocity that is lower than the first conveying velocity when the printing medium approaches the photoconductor unit.

Image forming apparatus and method for reducing image banding of the image forming apparatus

A power transmitting device having a structure to allow a photoconductor to stably form a visible image on a printing medium. The power transmitting device interconnects a rotator and a drive motor, the drive motor generating drive power to drive the rotator. The power transmitting device includes at least one gear to be rotated upon receiving power from the drive motor, a rotating shaft having one end penetrating the gear and a coupler to interconnect the other end of the rotating shaft and the rotator. An outer diameter of the coupler, an outer diameter of the rotator and an outer diameter of the gear satisfy the following relation: 0.7D1&#x3c;Dc&#x3c;D2, where, D1: outer diameter of the rotator, D2: outer diameter of the gear and Dc: outer diameter of the coupler.

Growing community of inventors

Busan, South Korea

Chang Yong Sung