Samsung SCX-5530FN/XAZ Service Manual page 24

System Overview
3.1.3.7 Toner Cartridge
OPC Cleaning :Mechanical Cleaning by the cleaning blade.
The recycled toner : Trash room for the recycled toner
No shutter for protecting the OPC Drum
Cleaning Roller
2
-1.35KV
1
Cleaning Blade
8
Service Manual
3-6
V = -380V
DC
3
6
+4.2kV
7
4
-
200V
5
Samsung Electronics