Samsung ML-1645

Service Manual
Product spec and feature
2-9
Samsung Electronics
1) Heat Lamp
. Heat Lamp Terminal Shape : Terminal Single Type
. Voltage 120 V : 115 +/- 5 %
220 V : 230 +/- 5 %
. Capacity : 600 Watt (ML-1640), 750 Watt (ML-2240) +/- 5 %
. Life : 3000 Hr
2) Thermostat
. Thermostat Type : Non-Contact type THERMOSTAT
. Control Temperature : 150 5
3) Thermistor
. Thermistor Type : HF-K7006
. Temperature Resistance : 7 (180 )
. SYSTEM Temperature SETTING
- Stand by : 155 / 145 / 140 +/- 5 (~30page / 31 ~ 60page / 60page~ ) (NN. Plain)
- Printing : 175 / 170 +/- 5 (~30page / 30page ~) (NN. Plain)
- Overshoot : 200 or less
- Overheat : 220 or less
4) Heat roller
. Length : 247.5 mm
. Valid length : 222 mm
. GND Type : H/R Bearing Grounding type By SECC Fuser frame
5) Pressure roller
. Shaft
- Length : 237.5 mm
. Rubber
- Length : 222 mm
6) Paper separation method
Teflon sintered Claw System
7) 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