Samsung CLP 300N Service Manual - Page 35
CRUM, > Supplier/Model Name/MFC date/Serial Number Manufacture Information - refill
UPC - 635753722093
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Page 35 highlights
System Overview 3.3 CRUM In the case of Refill Toner Install 1) Perception of Refill Cartridge (when power is on or the cover is closed) End of Life / life span data initialization -> judge to be Refill Cartridge End of Life / life exhausted (simple refill) -> stop printing caused by life exhaustion 2) Operating It 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 of appropriate respond to the change of time and environment.) 3) Service Response It is possible to response appropriately, for the information of cartridge life is saved at Back Up Area. Process after CRU life expiration 1) Record the information of End of Life. 2) Copy the information of Operating Area into Back up Area. 3) Write-Protect Back up Area. 4) 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. Samsung Electronics Service Manual 3-17