70
Troubleshooting
Troubleshooting
Before asking to have the projector repaired, try to diagnose the problem,
following the instructions below.
Symptoms Remedy Page
The power is not
turned on.
Check if the AC power cord is firmly connected. –
When the “Control Key Lock” is set to “On,” you
cannot turn on the projector using the / key on
the projector.
33
Check how the air filter is attached and install it
securely.
73
No image. Check if the connecting cable is connected to
external equipment firmly.
9
Check if the computer signal is set for output to an
external monitor. If you set your computer, such as a
notebook computer, to output the signal to both
your computer’s display and an external monitor,
the picture of the external monitor may not appear
properly. Set your computer to output the signal to
only an external monitor.
18
Check if the application “USB Display” or “Projector
Station for Network Presentation” is running.
54, 64
Check if the input source is correctly selected. 17
Check if the picture is muted by pressing the BLANK
key.
6
The color of image
has changed.
The color calibration may have been performed. To
restore the color or factory setting, perform “Return”
or “Reset” in “Color Calibration.”
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Images that are not
intended are output.
The color calibration may be being performed.
During this mode, the pattern for color calibration is
displayed automatically. Since the pattern turns off
automatically after this mode ends, please wait for a
while. If you press the / button on the unit or
remote control, the pattern also turns off. At the
same time, this mode also ends.
6, 31
The application “USB
Display” or “Projector
Station for Network
Presentation” does
not start.
Check if the computer connected to the projector
meets the system requirement for the applications.
54, 64
The computer cannot
connect to the
projector.
Check “LAN Settings” of the projector.
Check the condition of the wireless connection.
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General
Weight and Dimensions
