Dell Projector 4220/4320 User Manual

Troubleshooting Your Projector101
4
Troubleshooting Your Projector
If you experience problems with your pr ojector, see the following troubleshooting 
tips. If the problem persists, contact  Dell™ (see Contacting Dell™ on page 115).
Problem Possible Solution
No image appears on the 
screen
• Ensure that the lens cap is removed and the  projector is turned on. 
• Ensure that you have chosen the correct  input source on the  INPUT SOURCE menu.
• Ensure the external graphics port is enabled.  If you are...

102Troubleshooting Your Projector
Partial, scrolling, or 
incorrectly displayed image1Press the Auto Adjust button on the remote 
control or the control panel.
2If you are using a Dell™ portable computer, 
set the resolution of the computer to WXGA 
(1280 x 800) or XGA (1024 x 768): 
aRight-click the unused portion of your 
Microsoft® Win do ws® desktop, click 
Properties, and then select Settings tab.
bVerify that the setting is 1280 x 800 or 
1024 x 768 pixels for the external monitor 
port.
cPress...

Troubleshooting Your Projector103
Image is out of focus1Adjust the focus ring on the projector lens.
2Ensure that the projection screen is within 
the required distance from the projector 
(3.94 ft [1.2 m] to 32.81 ft [10 m]).
The image is stretched when 
displaying a 16:9 DVD The projector automatically detects the input 
signal format. It will maintain the aspect ratio 
of the projected image according to input 
signal format with an Original setting. 
If the image is still stretched, adjust the aspect...

104Troubleshooting Your Projector
TEMP light is solid amber  The projector has overheated. The display 
automatically shuts down. Turn the display on 
again after the projector cools down. If the 
problem persists, contact Dell™.
TEMP  light is blinking amber If the projector fan fails, the projector will 
automatically shut down. Try to clear the 
projector mode by pressing and holding the 
Po w e r button for 10 seconds. Please wait for 
about 5 minutes and try to power up again. If 
the problem...

Troubleshooting Your Projector105
Guiding Signals
Projector Status DescriptionControl Buttons
Indicator
Po w e r TEMP
(Amber) LAMP 
(Amber)
Standby mode Projector in Standby mode. Ready to power  on. BLUE
Flashing OFF OFF
Wa r m i n g  u p  
mode Projector takes some time to warm up and 
power on.
BLUE
OFF OFF
Lamp on Projector in Normal mode, ready to display 
an image.
 Note: The OSD menu is not accessed.BLUE OFF OFF
Cooling mode Projector is cooling to shutdown. BLUEOFF OFF
Cooling before 
Pow e r...

106Troubleshooting Your Projector
Changing the Lamp
 CAUTION: Before you begin any of the procedures in this section, follow the 
Safety Instructions as described on page 8.
Replace the lamp when the message  Lamp is approaching the end of its useful 
life in  the  operation. Replacement sug gested! www.dell.com/lamps  appears 
on the screen. If this problem persists af ter replacing the lamp, contact Dell™. For 
more information, see Contacting Dell™on page 115.
 
CAUTION: Use an original lamp to ensure...

Troubleshooting Your Projector107
Setting menu on page 54). When a new lamp module has been changed, the 
projector will automatically dete ct and reset the lamp hours.
 CAUTION: Lamp Disposal (for the US only)
 LAMP(S) INSIDE THIS PRODUCT  CONTAIN MERCURY AND MUST BE 
RECYCLED OR DISPOSED OF  ACCORDING TO LOCAL, STATE, OR FEDERAL 
LAWS. FOR MORE INFORMATION, GO  TO WWW.DELL.COM/HG OR CONTACT 
THE ELECTRONIC INDUSTRIES AL LIANCE AT WWW.EIAE.ORG. FOR 
LAMP-SPECIFIC DISPOSAL INFORMAT ION, CHECK...

108Specifications
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Specifications
Light Valve 4220: 0.55 XGA S450 DMD, DarkChip3™
4320: 0.65 WXGA S450 DMD, DarkChip3™
Brightness 4220: 4100 ANSI Lumens (Max.)
4320: 4300 ANSI Lumens (Max.)
Contrast Ratio 2000:1 Typical (Full On/Full Off)
Uniformity 80% Typical (Japan Standard - JBMA)
Number of Pixels 4220: 1024 x 768 (XGA) 4320: 1280 x 800 (WXGA)
Displayable Color 1.07 billion colors
Color Wheel Speed 2X 1X for 3D Display
Projection Lens F-Stop: F/ 2.4~2.66
Focal length, f=18.2~21.8 mm
1.2X manual Zoom...

Specifications109
Power Consumption Normal mode: 375 W ± 10% @ 110 Vac
(Network On)
Eco mode: 320 W ± 10% @ 110 Vac (Network On)
Power saving mode: 

110Specifications
Composite Video input: One Yellow RCA jack for 
CVBS signal.
HDMI input: One HDMI connector for supporting 
HDMI 1.3. HDCP compliant.
Analog Audio input: Two 3.5 mm stereo mini phone 
jack (Blue) and one pair of RCA connector 
(Red/White).
Variable audio output: One 3.5 mm stereo mini 
phone jack (Green).
USB (type A) port: One USB connector for 
Photo/PtG viewer (JPG/PPT format).
USB (type B) port: One mini USB slave for remote 
support and One USB connector for supporting 
USB...