Method for determining the connection status of a toner refill device

An example image forming apparatus includes a printing engine to perform a printing work by using toner filled in a toner cartridge, a communication device to communicate with a circuit board attached to a toner refill apparatus that refills toner in the toner cartridge by using a plurality of termi...

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Bibliographic Details
Main Authors Noh, Jin Woo, Kong, Young Kang, Lee, Su Yong
Format Patent
LanguageEnglish
Published 27.12.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:An example image forming apparatus includes a printing engine to perform a printing work by using toner filled in a toner cartridge, a communication device to communicate with a circuit board attached to a toner refill apparatus that refills toner in the toner cartridge by using a plurality of terminals, and a processor to identify a connection state of the toner refill apparatus based on a voltage value of at least one of the plurality of terminals.
Bibliography:Application Number: US201917312513