Quality - Samsung ML-4500/XEV Service Manual

2-2 Quality

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