Samsung ML-1665 - Basic Printer Setup and Configuration

Product spec and feature
Service Manual
2-16
Samsung Electronics
2.2.3.6 Toner Cartridge
By using the electronic photo process, it creates a visual image. In the toner cartridge, the OPC unit and the
developing unit are in a body. The OPC unit has OPC drum and charging roller, and the toner cartridge unit
has toner, supply roller, developing roller, and blade (Doctor blade)
• Developing Method : Non magnetic 1 element contacting method
• Toner : Non magnetic 1 element shatter type toner
• Charging capacity : - 39.1 ± 3 μC/g
• Average OD : 8.0 ± 0.5㎛ (Toner)
• The life span of toner (ISO 19752 pattern / A4 standard)
→ Initial toner : 0.7K
→ Sales toner : 1.5K
• Toner Residual Sensor : Dot count with CRUM(CRU Monitor)
• OPC Cleaning : Collect the toner by using cleaning blade
• Handling of wasted toner : Collect the wasted toner in the cleaning frame by using cleaning blade
• OPC Drum Protecting Shutter : None
• Classifying device for toner cartridge: ID is classied by CRUM.
Cleaning Roller
Cleaning Blade
-720V
-350V
-550V
0.20mW
Max -1.4KV
-100V
1
2
3
4
5
6
7
8
+3.5kV
-150V↓