Samsung ML-5000A, Service Manual

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2-2 Samsung Electronics
Specifications
Input Voltage AC 200~240 V ± 15 %, 50/60 Hz ± 3 Hz
DC Output Voltage
Line Regulation 24 V ± 3 %
5 V ± 2 %
Load Regulation 24 V - 3 %/+10 %
5 V ± 3 %
Ripple Noise 24 V : 120 mV (Peak 400 mV)
5 V : 50 mV (Peak 100 mV)
Over Current Protect 24 V : 2.7 A ± 10 % (by C't )
5 V : 1.5 A ± 10 % (by C't )
Power Consumption Max. 450 Wh Everage: 200 Wh
Power Save Mode: 25 Wh
Warming Up Time 20 seconds or less
First Print Time Idle mode : 20 seconds or less
Power Save mode : 30 seconds or less
Acoustic Noise Standby : 36 dB or less
Sleep Mode: Background level
Operating : 48 dB or less
Reliability
Insulation Resistance 10 Mohm or less (at DC 500 V)
Dielectric Strength AC 1500 V (DC 2100 V), 10 mA
Ground Continuous 0.1 ohm or less
Voltage DIP Rated voltage ± 15 %
AC Impulse Noise AC 1000 V 10, 100, 200, 400, 1000 ns
Leakage Current 3.5 mA or less
Surge 0.5 ~ 4 kV, 0.25 ~ 2 kA
Ozone Emission 0.1 ppm or less (8 hours)
Top Cover Open Isolating the input power of the LSU, high voltage part, and fuser
Overcurrent Protect Fuse inside the Engine Controller
Fusing System
Trouble Sensing The temperature doesn't rise to the specific temperature within a
specific time. Fuser error occurs if the temperature is too high.
Overheat Sensing 240 ~ 250
o
C (The thermostat cuts off the Fuser from the power.)
Thermistor Open Sensing Without the initial temperature change of the Fuser
Source of Light Laser Diode (LSU)
Developer
Developing Non-magnetic contact developing
Charging Conductive roller charging
Density Adjustment Dark, Medium
Transfer System Pre-transfer by LED & conductive roller
Fusing System Temperature & Pressure
Ozone Emission 0.1 PPM or less (8 hours)
2-2 Electrical