Samsung SCX-4500 Service Manual page 22

2.2.1.2(e) LSU(Laser Scanner Unit)
Reflection mirror
2.2.1.2(f) Toner Cartridge
Developing Method : Non-magnetic 1 element contacting method
Toner : Non-magnetic 1 element shatter type toner
Toner remaining amount detecting sensor : None
The life span of toner : 2,000 Sheets(ISO 19752 Standard)
OPC Cleaning : Collect the toner by using cleanning blade
Management of disused toner : Collect the toner by using electric static (Non-Cleaner type)
OPC Drum protecting Shutter : None
Samsung Electronics
F -Lens
P/Motor
Product specification and feature
LD PCB
Service Manual
2-13