Hewlett-Packard Development Company, L.p.

Kwangsung Park

Matthew James Storey

An Tran

Pratik Shah

Zackary Thomas Hickman

Bennett Alexander Nadeau

Ji-Won Moon

Min-Chul Lee

Jinwoo Noh

Yuntae Kim

Amy Moon Williams

Kenneth Kay Smith

Andrew P Chick

Dustin C Rosing

SeungSup Lee

Virginia K Capps

Hye Heon Jung

Andy Philip Chick

Eun-Kyung Yun

KyongHwan Kim

ChangYeop Oh

Nanette Jensen

An iconographic control panel of an image forming apparatus is provided. The iconographic control panel includes a plurality of physical iconographic control buttons respectively corresponding to a plurality of functions of the image forming apparatus, each of the plurality of physical iconographic control buttons comprising at least one dedicated light emitting diode, and at least one processor to determine an availability of the plurality of functions of the image forming apparatus respectively corresponding to each of the plurality of physical iconographic control buttons, determine a functional state of the plurality of functions of the image forming apparatus determined to be available, and control an illumination of the at least one LED of each of the plurality of physical iconographic control buttons based on the availability of each function corresponding to each of the plurality of physical iconographic control buttons and the functional state of each function determined to be available.

Iconographic control panel of an image forming apparatus

Examples of a host device that includes an input recess are described. In some examples, the input recess includes a rotating port cover offset from a central axis of the input recess. In some examples, the input recess includes a plurality of contacts disposed on an interfacing surface of the input recess to interface with a print particle replenishment device when the rotating port cover is rotated. In some examples, the plurality of contacts interfaces with a control device to authenticate the print particle replenishment device.

Contacts for a print particle input recess

Examples of a print particle replenishment device for replenishing a host device are described herein. In some examples, the print particle replenishment device includes an output assembly to output print particles, comprising an interfacing portion. In some examples, the print particle replenishment device includes a plurality of contact pads disposed on an outer portion of the output assembly to rotate with the output assembly when opening a channel of the print particle replenishment device.

Contact pads on an output assembly of a print particle replenishment device including an interior disk and a cover disk

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Pangyo, South Korea

Kwangsung Park