Epson Projector Emp 755 User Manual

80
Problems SolvingUser’s Guide
 No images appear
 Can not switch projection  to a video source by pressi ng the [Source Search] button
Problems relating to images
Check
Remedy
Was the [Power] button pressed?
Press the [Power] button to turn the power on.
Are both indicators switched off?
The power cable is not connected  correctly or power is not being supplied normally. Connect the 
projectors power cable correctly.  sp.35
Check that your power supply socket is working.
Is A/V Mute  mode active?
Press...

81
Problems SolvingUser’s Guide
 Projection stops automatically
 The message Not Suppo rted. is displayed
Check
Remedy
Is Sleep Mode set to ON?
When the Sleep Mode menu command has been set  to ON, the lamp turns off automatically if 
no operations are carried out for  about 30 minutes while no video signal is being input. The Power 
indicator will flash orange at th is time. Press the [Power] button to  turn the power on. If you do not 
want sleep mode to be used, change the Sleep Mode setting to OFF....

82
Problems SolvingUser’s Guide
 The message No Signal. is displayed
 Images are fuzzy or out of focus
Check
Remedy
Are the cables conne cted correctly?
Check that all of the cables require d for projection are securely connected.  sp.20 – p.26
Has the correct vi deo input port been 
selected?
Press the [Computer], [S-Video], [Video] or  [EasyMP](EMP-765/755 only) button on the remote 
control or the [Source Search] button  on the remote control or the projectors control panel to change 
the image....

83
Problems SolvingUser’s Guide
 Interference or dist ortion appear in images
Check
Remedy
Are the image signal  format settings correct?
If a composite video
g or  S-Video
g source is connected to the projector, use the Video Signal 
menu command to select the signal format. 
Signal - Video Signal  sp.61
Are the cables conne cted correctly?
Check that all of the cables require d for projection are securely connected.  sp.20 – p.26
Is an extension cable being used?
If an extension cable is used, el...

84
Problems SolvingUser’s Guide
 Image is truncated (large) or small
Check
Remedy
Has the Resize been set correctly?
Press the [Resize] button on the remote control.
 s p.51
Is the image still  being enlarged by the 
E-Zoom function?
Press the [Esc] button on the remote control to cancel the E-Zoom function.  sp.52
Has the Position  setting been adjusted 
correctly?
If analogue RGB images from a computer or  RGB video images are being projected, press the 
[Auto] button on the remote control  or the...

85
Problems SolvingUser’s Guide
 Image colours are not right
Check
Remedy
Do the input signal set tings match the signals 
from the connected device?
If you connect a computer or RGB video to th e [Computer/Component Video] port, and select 
Component Video for Computer  Input in the configuration menu, the projected image is tinged 
with purplish red.
If you connect a  component video
g to the [Computer/Component  Video] port, and select 
Computer for Computer Input in  the configuration menu, the...

86
Problems SolvingUser’s Guide
 Images appear dark
 Power does not turn on
Check
Remedy
Have the image brig htness and luminance 
been adjusted correctly?
Use the Brightness and Brightness Control  menu commands to adjust the brightness and 
luminance.
Image - Brightness  sp.56 , p.58
Setting - Brightness Control  sp.62
Has the image  contrast
g been adjusted 
correctly?
Use the Contrast menu command to adjust the contrast.
Image - Contrast  sp.56 , p.58
Is the lamp due for replacement?
When the lamp...

87
Problems SolvingUser’s Guide
 No sound can be heard  or the sound is faint
 The remote control does not work
 The projectors contro l panel does not work.
Other problems
Check
Remedy
Is the audio source connected correctly?
Check that the cable is connected to the [Audio] port correctly.  sp.27
Has the audio output  setting been set to 
External? (EMP -765/755 only)
If using the EMP-765/755, you cannot pl ay sound through the projectors built-in speaker when the 
EasyMP Audio Out in the configuration...

88
Problems SolvingUser’s Guide
 The fans do not stop when power  is turned off (EMP-765/755 only)
 Mail notification messages ar e not being sent when a problem occurs with the projector
Check
Remedy
Is the Standby Mode co nfiguration menu set 
to Network ON?
If the menu is set to Network ON, the fans will  continue to operate after the cool-down period has 
finished.
Extended - Standby Mode  sp.66
Problems Relating to Monitoring  and Controlling Projectors Using  a Network (EMP-765/755 only)
Check...

89
Problems SolvingUser’s Guide
 The projector cannot  be monitored and controlled using the EMP Monitor function
 When Network Screen is runn ing, the current image stays projected and connection from anot her computer is not possible
Check
Remedy
Is the wireless or wired LAN card inserted?
Check that the wireless or wired LA N card is correctly inserted into the card slot of the projector.
Inserting and Removing Cards  sp.17
Is the network cable  connected  correctly?
Check that the network cable is...