Crum Overview - Samsung CLP-350N Service Manual

2.3.9 CRUM Overview

- Stands for "Customer Replaceable Unit Monitor"
- EEPROM, SAMSUNG CRUM is used for CRUM Memory.
- CRUM stores various information on consumables (including consumables' life).
- In CLP350N, total five CRUM's are used
(four on toner cartridges and one on image unit)
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
Image Count
Model ID
2.3.10 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 and the status LED is on as Green.
Step 3) Download F/W via USB
Samsung Electronics
Product specification and feature
Service Manual
2-33