Product spec and featureService Manual 2-33 Samsung Electronics2.2.3 CRUMThe CLX-3185 series engine will be equipped with electronics that can read and write data into EEPROMotherwise known as CRUMs that reside within 1) C, M, Y, K Toner cartridges.The CRUM has a company ID.The CRUMs contain fixed data such as the low warning point, specified life point and also store the currentlife count (pages count, pixels count, images count) and % of usage (gas gauge)data.■ In the case of Refill Toner Install1) Perception of Refill Cartridge (when power is on or the cover is closed)End of Life / life span data initialization -> judge to be Refill CartridgeEnd of Life / life exhausted (simple refill) -> stop printing caused by life exhaustion2) OperatingIt is impossible to control appropriate development parameters, for there’s no toner specification data.It runs with the setting of default development parameter. (Image quality will be degraded, for the lack ofappropriate respond to the change of time and environment.)■ Process after CRU life expiration1) Record the information of End of Life.2) Clear some information of Operation Area.-> Supplier/Model Name/MFC date/Serial Number (Manufacture Information)-> Let cartridge refiller initialize manufacture information and life span information.
