Samsung ML 2950ND User Manual

							Clearing paper jams614. Troubleshooting

5 
In the duplex area
1
2
1
2
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							624. TroubleshootingUnderstanding the status LED
The color of the LED indicates the machine's current status.
 
• Some LEDs may not be available depending on model or country.
• To resolve the error, look at the error message and its instructions from the troubleshooting part. 
• You also can resolve the error with the guideline from the computers’ Samsung Printer Status or Smart Panel program window. 
• If the problem persists, call a service representative.
 
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							Understanding the status LED634. Troubleshooting

6 
Status LED
 
 
StatusDescription
 (Status 
LED)OffThe machine is off-line.
GreenBlinking• When the backlight slowly blinks, the machine is receiving data from the computer.
• When the backlight blinks rapidly, the machine is printing data. 
On• The machine is on-line and can be used.
RedBlinkingA minor error has occurred and the machine is waiting for the error to be cleared. When the problem 
is cleared, the machine resumes. 
On• The cover is opened. Close the cover.
• There is no paper in the tray. Load paper in the tray ("Loading paper in the tray" on page 28).
• The machine has stopped due to a major error. 
OrangeBlinkingUpgrading firmware.
OnA paper jam has occurred (see "Clearing paper jams" on page 56).
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							Understanding the status LED644. Troubleshooting

7 
Toner LED/ WPS LED
StatusDescription
 (Toner LED)OrangeBlinkingSmall amount of toner is left in the cartridge. The estimated cartridge life of toner is close. Prepare a new 
cartridge for replacement. You may temporarily increase the printing quality by redistributing the toner 
(see "Redistributing toner" on page 47).
OnA toner cartridge has almost reached its estimated cartridge lifea. It is recommended to replace the 
toner cartridge (see "Replacing the toner cartridge" on page 48).
a.Estimated cartridge life means the expected or estimated toner cartridge life, which indicates the average capacity of print-outs and is designed pursuant to ISO/IEC 19752. 
The number of pages may be affected by operating environment, printing interval, graphics, media type and media size. Some amount of toner may remain in the 
cartridge even when red LED is on and the printer stops printing.
OffAll toner cartridges are at normal capacity.
 (WPS LED)b
b. Wireless model only (see "Features by models" on page 6).
BlueBlinkingThe machine is connecting to a wireless network.
On
The machine is connected to a wireless network (see Advanced Guide).
OffThe machine is disconnected from a wireless network.
 (Power LED)BlueOnThe machine is in power save mode.
Off
The machine is in ready mode or the machine’s power is off.
Eco button GreenOnEco mode is on. Duplex, 2-up, toner save on, skip blank page feature will automatically be applied when 
printing (see "Eco printing" on page 41). 
OffEco mode is off. 
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							5. Appendix
This chapter provides product specifications and information concerning 
applicable regulations.
•Specifications 66
• Regulatory information 76
•Copyright 87
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							665. AppendixSpecifications
1 
General specifications
 
The specification values listed below are subject to change without notice. See www.samsung.com/printer for possible changes in 
information.
 
 
ItemsDescription
DimensionWidth x Length x Height348 x 338 x 197 mm (13.7 x 13.3 x 7.7 inches) 
WeightMachine with consumables7.2 kg (15.87 lbs)
Noise LevelaReady modeLess than 30 dB (A)
Print modeLess than 50 dB (A)
TemperatureOperation10 to 32°C (50 to 90°F)
Storage (packed)-20 to 40°C (-4 to 104°F)
HumidityOperation20 to 80% RH
Storage (packed)10 to 90% RH
Power ratingb110 volt modelsAC 110 - 127 V
220 volt modelsAC 220 - 240 V
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							Specifications675. Appendix
 
Power consumptionAverage operating modeLess than 400 W
Ready modeLess than 45 W
Power save modeLess than 1.2 W
Power off mode
Less than 0.2 W (0.1 Wc)
Wireless dModuleT77H262
a. Sound Pressure Level, ISO 7779. Configuration tested: basic machine installation, A4 paper, simplex printing.
b. See the rating label on the machine for the correct voltage (V), frequency (hertz) and type of current (A) for your machine.
c. For the machine that has a power switch.
d. Wireless model only (see "Features by models" on page 6).
ItemsDescription
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							Specifications685. Appendix
2 
Print media specifications 
 
TypeSizeDimensions
Print media weight/Capacitya
Tray Manual feederb
Plain paper
Letter216 x 279 mm (8.5 x 11 inches)
60 to 163 g/m2 (16 to 43 lbs 
bond) 
• 250 sheets of 80 g/m
2 (21 lbs 
bond)60 to 220 g/m
2 (16 to 59 lbs 
bond)
•  1 sheet of 80 g/m
2 (21 lbs 
bond)
Legal216 x 356 mm (8.5 x 14 inches)
US Folio216 x 330 mm (8.5 x 13 inches)
A4210 x 297 mm (8.27 x 11.69 inches)
Oficio216 x 343 mm (8.5 x 13.5 inches)
JIS B5182 x 257 mm (7.17 x 10.12 inches)
ISO B5176 x 250 mm (6.93 x 9.84 inches) 
Executive184 x 267 mm (7.25 x 10.5 inches)
A5148 x 210 mm (5.83 x 8.27 inches)
A6105 x 148 mm (4.13 x 5.83 inches)
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							Specifications695. Appendix
Envelope
Envelope 
Monarch98 x 191 mm (3.87 x 7.5 inches) Not available in a tray.
60 to 220 g/m2 (16 to 59 lbs 
bond)
•  1 sheet of 80 g/m
2 (21lbs 
bond)Envelope No. 10105 x 241 mm (4.12 x 9.5 inches)
Envelope DL110 x 220 mm (4.33 x 8.66 inches)
Envelope C5162 x 229 mm (6.38 x 9.02 inches)
Envelope C6114 x 162 mm (4.49 x 6.38 inches)
Thick paperRefer to the Plain 
paper section Refer to the Plain paper section 
91 to 105 g/m2 (24 to 28 lbs 
bond)91 to 105 g/m2 (24 to 28 lbs 
bond)
Thicker paperRefer to the Plain 
paper section Refer to the Plain paper section  Not available in a tray.
164 to 220 g/m2 (44 to 59 lbs 
bond)
Thin paperRefer to the Plain 
paper section Refer to the Plain paper section 
60 to 70 g/m2 (16 to 19 lbs bond) 60 to 70 g/m2 (16 to 19 lbs 
bond)
TransparencyLetter, A4Refer to the Plain paper section  Not available in a tray.
138 to 146 g/m
2 (37 to 39 lbs 
bond)
TypeSizeDimensions
Print media weight/Capacitya
Tray Manual feederb
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							Specifications705. Appendix
 
Labelsc
Letter, Legal, US 
Folio, A4, JIS B5, 
ISO B5, Executive, 
A5Refer to the Plain paper section Not available in a tray.
120 to 150 g/m2 (32 to 40 lbs 
bond)
Card stock
Letter, Legal, US 
Folio, A4, JIS B5, 
ISO B5, Executive, 
A5, Postcard 4x6Refer to the Plain paper section
121 to 163 g/m2 (32 to 43 lbs 
bond)121 to 163 g/m2 (32 to 43 lbs 
bond)
Bond paperRefer to the Plain 
paper section Refer to the Plain paper section 
106 to 120 g/m2 (28 to 32 lbs 
bond)106 to 120 g/m2 (28 to 32 lbs 
bond)
Minimum size (custom)•Manual feeder: 76.2 x 127 mm (3 x 
5 inches)
•Tray 1: 105 x 148.5 mm (4.13 x 5.85 
inches)60 to 163 g/m
2 (16 to 43 lbs bond) d, e
Maximum size (custom)216 x 356 mm (8.5 x 14 inches)
a. Maximum capacity may differ depending on media weight, thickness, and environmental conditions. 
b. 1 sheet for manual feeder.
c. The smoothness of the labels used in this machine is 100 to 250 (sheffield). This means the numeric level of smoothness.
d. The paper types available in the manual feeder: Plan, Thick, Thicker, Thin, Cotton, Colored, Pre-printed, Recycled, Envelope, Transparency, Labels, Cardstock, Bond, 
Archive.
e. The paper types available in the tray: Plan, Thick, Thin, Recycled, Cardstock, Bond, Archive
TypeSizeDimensions
Print media weight/Capacitya
Tray Manual feederb
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