Samsung CLP 300 Service Manual - Page 44
CRUM Overview, 4.10 FW Upgrade, CRUM stores the following information - download
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S/W Structure and Descriptions 4.9 CRUM Overview - Stands for "Customer Replaceable Unit Monitor" - EEPROM is used for CRUM Memory. - CRUM stores various information on consumables (including consumables' life). - In CLP600, total five CRUM's are used (four on toner cartridges and one on transfer belt) CRUM stores the following information Model Name Supplier ID Serial Number Company ID MFG Date Capacity Page Count - Toner Cartridge and Transfer Belt - Indicates how many pages are printed by using the consumable Dot Count - Toner Cartridge Only - Indicates how many dots are printed by using the toner cartridge 4.10 FW Upgrade Via USB or Network (SWS/SWAS) You can upgrade F/W via USB or Network whenever the printer is "Ready" Via Using F/W Download Mode : Step 1) Power on while pressing the Online Key Step 2) Press Online Key one more time if "Press Key Again" is displayed on LCD Step 3) Download F/W via USB Samsung Electronics Service Manual 4-5