Samsung SCX4521F Service Manual - Page 31

Deverope Process, Fuser Specification

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System Overview 3.3 Deverope Process - Developing Method : Non magnetic 1 element contacting method - Toner : Non magnetic 1 element shatter type toner - Toner Qty:35gf /60gf (1k/3k) - The life span of toner 1k/3k sheets (ISO 5% Coverage ) - Toner Residual Sensor : None - OPC Cleaning : Use the conventional cleaning blade - Handling of wasted toner : Discard by collecting waste-toner at waste-toner bin. - OPC Drum Protecting Shutter : None - Classifying device for toner cartridge: ID is classified by interruption of the frame channel. - Development Roller type : conductive elastic roller - Doctor BLADE Type : Regulating toner layer by pressure - Charge Roller Type : Conductive Roller Contact-Charge 3.3.1 Fuser Specification 1) Heat Lamp - Heat Lamp Terminal Shape : Terminal Single Type - Voltage 120 V : 115 5 %, 220 V : 230 5 % - Capacity : 600 Watt 30 W - Light Qty Distribution : 140% - Life : 3000 Hr 2) Thermostat - Thermostat Type : Non-Contact type THERMOSTAT - Control Temperature : 150°C 5°C 3) Thermistor - Thermistor Type : HF-R0060 (SEMITEC 364FL Type) - Temperature Resistance : 7 k (180 °C) - SYSTEM Temperature SETTING Stand by : 165 5°C Printing : 175 5°C(5 minutes before) 170°C 5°C(5 minutes after) Overshoot: 200°C or less Overheat :210°C or less 4) Safety Relevant Facts - Protecting device when overheating 1st protecting device : H/W cuts off when detecting an overheating 2st protecting device : S/W cuts off when detecting overheating 3st protecting device : Thermostat cuts off the power - Safety device The power of Fuser is cut-off after front cover is open. The overheating safety device for customer The surface temperature of the Fuser Cover is under 80°C Samsung Electronics Service Manual 3-9

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System Overview
Samsung Electronics
Service Manual
3-9
3.3
Deverope Process
- Developing Method : Non magnetic 1 element contacting method
- Toner : Non magnetic 1 element shatter type toner
- Toner Qty:35gf /60gf (1k/3k)
- The life span of toner 1k/3k sheets (ISO 5% Coverage )
- Toner Residual Sensor : None
- OPC Cleaning : Use the conventional cleaning blade
- Handling of wasted toner : Discard by collecting waste-toner at waste-toner bin.
- OPC Drum Protecting Shutter : None
- Classifying device for toner cartridge: ID is classified by interruption of the frame channel.
- Development Roller type : conductive elastic roller
- Doctor BLADE Type : Regulating toner layer by pressure
- Charge Roller Type : Conductive Roller Contact-Charge
3.3.1
Fuser Specification
1) Heat Lamp
- Heat Lamp Terminal Shape : Terminal Single Type
- Voltage 120 V : 115
5 %, 220 V : 230
5 %
- Capacity : 600 Watt
30 W
- Light Qty Distribution : 140%
- Life : 3000 Hr
2) Thermostat
- Thermostat Type : Non-Contact type THERMOSTAT
- Control Temperature : 150°C
5°C
3) Thermistor
- Thermistor Type : HF-R0060 (SEMITEC 364FL Type)
- Temperature Resistance : 7 k
(180 °C)
- SYSTEM Temperature SETTING
Stand by : 165
5°C
Printing : 175
5°C(5 minutes before)
170°C
5°C(5 minutes after)
Overshoot: 200°C or less
Overheat :210°C or less
4) Safety Relevant Facts
- Protecting device when overheating
1st protecting device : H/W cuts off when detecting an overheating
2st protecting device : S/W cuts off when detecting overheating
3st protecting device : Thermostat cuts off the power
- Safety device
The power of Fuser is cut-off after front cover is open.
The overheating safety device for customer
The surface temperature of the Fuser Cover is under 80°C