Hewlett-Packard Development Company, L.p.

Haneol Yoon

Hyeonseung Lee

Jang-Geun Kim

Mok-Hwa Lim

Jongwon Hong

Bosun Jang

Sanghyun Park

Provided is a method of operating an image forming apparatus. The method includes: calculating a remaining lifespan of at least one component consumed through an image forming job in the image forming apparatus; determining whether to proceed with a refill operation to refill a toner in a cartridge of the image forming apparatus, based on the remaining lifespan of the at least one component; and displaying guide information to guide the refill operation based on a result of the determining.

Image forming apparatus for guiding refilling operation of toner

An example image forming apparatus includes a memory, a print engine to perform a printing job, and a processor to store received user information in the memory when the user information of a group from among a plurality of groups is received from a server having the plurality of groups and user information of each of the plurality of groups, determine whether a user corresponding to a user terminal is a user belonging to the group when print data and user information are received from the user terminal, and control the print engine to print the print data based on the determination result.

Security printing using group information

Growing community of inventors

Seongnam-si, South Korea

Haneol Yoon