Samsung ML-4600/XET, Service Manual

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Samsung Electronics 2-3
Specification
2-2 Quality
Conditions
Paper Normal Paper 75g/m
2
Environment Temperature : 20 ~ 25°C
Humidity : 40 ~ 60%
Print Quality
Image Density Min. 1.3
Min. 1.0(Temperature : 10 ~ 15°C)
Background Max. 0.2
Uniformity Max. 0.2(Including Continuous Print)
Fusing Min. 80% (All Black) 75g/m
2
Start Position Top : x ± 4.23mm, Side : y ± 4mm From Left
Skew Top : Max. ± 1.5mm/117.9mm
Side : Max. ±1.8mm/241.3mm
Orthogonality ± 1.0mm
Horizontal Scan ± 0.6mm/208mm
(Bowed Line Skew : Pattern 1)
Special Paper Exception Image Density : Min 1.0 (Envelope)
Fusing : Min. 70% (All Black)
(Envelope/OHP/Postcard)
Paper Jam Less than 1/1,000(75g/m
2
Paper)
Paper Curl First : Less than 10mm (10 Sheets, 75g/m
2
Paper)
After Cooling : Less than 10mm (10 Sheets, 75g/m
2
Paper)
Reliability
Insulation Resistance Less than 10 M Ω (at DC 500V)
Dielectric Strength AC 1000V (DC 1420V), 10mA
Ground Continuity Less than 0.1 Ω
Voltage DIP Rated Voltage ± 15%
AC Impulse Noise AC 1000V 10, 100, 200, 400, 1000ns Rated Power
Leakage Current Less than 3.5mA
Surge 6 KV, 500A/3 KV, 500A
OZONE Emission Less than 0.1 ppm (8 Hours)
Top Cover Open Isolating the input power of the LSU,
High Voltage Part, and Fuser
Overcurrent Protect Fuse inside the SMPS
Fusing System
Trouble Sensing .The temperature doesn’t rise to the specific
temperature in the specific time.
.The temperature is too high.
Overheat Sensing 240 ~ 250°C (The thermostat cuts off the Fuser
from the power.)
Thermistor Open Sensing .Without the initial temperature change of the Fuser
Indicate the
Fuser error