Hewlett-packard Development Company, L.p.

Jaeil Yu

Changwoo Lee

Junhui Kim

Tae-Hee Kim

Taeil Jung

Heonjoo Kim

Sungdae Kim

Sooyong Kim

Jeongyeon Park

Yasuhisa Ehara

Sangbum Woo

Youngwan Cho

An example image forming apparatus includes a toner cartridge movable to a mounting position in which the toner cartridge is mounted to a mounting portion and a click position further proceeded from the mounting position in a mounting direction; an elastic member to apply elastic force to the toner cartridge in a direction returning from the click position to the mounting position; a locking member to selectively allow removal of the toner cartridge from the mounting portion in accordance with a click operation by which the toner cartridge is moved to the click position and the mounting position; and a click restricting member to selectively allow movement of the toner cartridge from the mounting position to the click position.

Unlocking toner cartridge by click operation

An example connection structure to couple with a toner cartridge includes a connector to be located at a driving position to contact a coupler provided in a toner cartridge, or a tilting position to be tilt with respect to the driving position, and a position maintaining portion to maintain the connector at the tilting position when the connector is separate from the coupler. The connector located at the tilting position is tilted toward a direction opposite to a direction in which the coupler moves when making contact with the connector.

Connection structure for coupling with toner cartridge

An example connection structure includes a connector and a connector support body. The connector is to engage with a coupler of a toner cartridge at a driving position when the toner cartridge is located at an operable position. The connector support body is rotatable about a rotation axis. The connector is also to support the connector to allow the connector to be inclined toward one side or another side with respect to the rotation axis while moving along the rotation axis with respect to the driving position.

A universal coupler includes: a driving shaft, a coupler holder, driving coupler, a driving coupling pin, and an elastic member. The driving shaft has a driving shaft a first pin hole. The coupler holder includes a bore, a separation prevention member that partially blocks the bore, and a coupling groove formed in the bore. The driving coupler includes a spherical portion that is located in the bore and in contact with the separation prevention member, a shaft insertion portion formed through the spherical portion, and a second pin hole that penetrates the spherical portion. The driving coupling pin is insertable into the driving pin hole, and has an end insertable into the coupling groove. The elastic member applies elasticity to the coupler holder in a direction that urges the spherical portion of the driving coupler against the separation prevention member.

Universal coupler with coupler holder and driving coupler elastically combined with each other

An example image forming apparatus includes a printing engine including a plurality of photosensitive drums, a motor device to provide a driving force to each of the plurality of photosensitive drums, and a processor to control the printing engine such that printing data is printed on a printing paper and control the motor device such that at least one of the plurality of photosensitive drums operates at a different speed from the other photosensitive drums while the printing data is printed.

Growing community of inventors

Seongnam-si, South Korea

Jaeil Yu