Hewlett-packard Development Company, L.P.

Dell Products Inc.

Poovendhran S/o Kannayah

Yu Zhao

Ling Hwee Vincent Ong

Tong Nam Samuel Low

Song Poh Chai

Wai Kiat Foo

Kuan Meng Chin

Umashankar Koggri Giddappa Godwa

Tong-Nam-Samuel Low

Tai Leung Tsui

A vending machine capable of refilling used ink cartridges as well as dispensing filled ink cartridges is closed. The vending machine includes at least one cartridge receptacle for receiving an ink cartridge, a user interface, a display unit, a nozzle health check module, a printhead servicing module, an ink reservoir, an ink refilling unit, a compartment containing new ink cartridges, a compartment containing filled, second-hand ink cartridges, and a recycle compartment for receiving discarded ink cartridges. The user is presented by the display unit with the option of (a) refilling a used cartridge, (b) purchasing a filled cartridge, or (c) returning a used cartridge in exchange for a purchase rebate or a discount voucher. When the user selects the option of refilling, the vending machine executes a refilling subroutine which includes checking the nozzle health.

Ink cartridge vending machine

A printer includes a housing, one or more print cartridges, and a positioning system configured to position print media for printing by the one or more print cartridges. The positioning system including a rotatable star wheel for translating the print media relative to the housing, the star wheel including a plurality of teeth disposed around an outer perimeter of the star wheel. At least the tips of the star wheel teeth are formed from plastic.

Printer star wheel

Growing community of inventors

Singapore, Singapore

Poovendhran S/o Kannayah