Epson Projector Emp 730 User Manual

69
Images appear dark
Are the image signal format settings correct?
If the Input Signal command in the Video menu is set 
to YPbPr or YCbCr when a computer is connected, the 
projected images will appear purplish.
If a computer, component video
  or RGB-Video source is 
connected to the projector, use the Input Signal command 
in the Video menu to select the signal format which 
matches the signal connected source. (p.49, 50)
If a composite video
 or S-Video source is connected to 
the projector, use...

70
Images appear greenish.
No sound can be heard.
The remote control does not work
Do the settings for component video input signals 
match the signals from the connected device?
If the Input Signal command in the Video menu is set 
to RGB when a component video signal source is 
connected to the projector, the images will appear greenish. 
Select the correct signal format for the connected source. 
Video - Input Signal (p.50)
Is the audio source connected correctly?
(p.20, 26)
Has the volume been...

71
The power does not turn off (after the [Power] button is pressed)
The Power indicator remains orange.
This projector is designed so that the Power indicator 
remains lit even when after the power has been turned off. 
The Power indicator will switch off when the power cord is 
disconnected from the electrical outlet.
The cooling fan does not stop.
After the [Power] button is pressed to turn off the power, 
the cool-down
 period starts. (During this time, the lamp 
is cooling down and the Power...

73
Appendices
This chapter provides information on maintenance procedures to 
ensure the best level of performance for the projector for a long time.
Maintenance.......................................................................74
 Cleaning ................................................................................................ 74Cleaning the Projector Case .............................................................................. 74
Cleaning the Lens...

74
Maintenance
This section describes maintenance tasks such as cleaning the projector and 
replacing consumable parts.
Cleaning
You should clean the projector if it becomes dirty or if the quality of projected 
images starts to deteriorate.
Caution :
Be sure to read the separate Safety Instructions/ World-Wide Warranty Terms for details 
on safe handling of the projector during cleaning.
Clean the projector case by wiping it gently with a soft cloth.
If the projector is particularly dirty, moisten the...

75
If the air filter becomes clogged with dust, it can cause overheating and damage 
the projector.
While keeping the projector horizontal, use a vacuum cleaner to clean away the 
dust from the air filter.
Tip :
 If the air filter is difficult to clean or if it is broken, it should be replaced. Contact your 
dealer for a spare air filter.
 Replacement lamps are provided with a spare air filter. The air filter should also be 
replaced when the lamp is replaced.
Cleaning the Air Filter 

76
Replacing Consumables
This section describes how to replace the remote control battery, the lamp and 
the air filter.
If the remote control becomes slow in responding or if it stops working, the 
battery may be dead. If this happens, replace the battery with a new one.
* The replacement period given above may vary depending on the amount of 
usage and the ambient conditions.
Use the following type of battery as a replacement.
    1 CR2025 lithium battery
Replace the remote control battery with a new...

77
It is time to replace the lamp when:
The message Lamp Replace. appears on the screen for 30 seconds 
when projection starts
.
When the   indicator is flashing red at 0.5-second intervals
The projected image gets darker or starts to deteriorate.
Tip :
 The replacement warning message is set to appear after about 1400 hours of lamp use 
in order to maintain the brightness and quality of the projected images. If you continue 
to use the lamp after this period, the possibility of the lamp breaking...

78
Caution :
 If the lamp stops working and needs to be replaced, there is the danger that the lamp 
may break when handled.
If replacing the lamp of a projector that has been installed to the ceiling, you should 
always assume that the lamp is broken and remove the lamp cover very carefully.
 Wait until the lamp has cooled down sufficiently before opening the lamp cover. It takes 
a further one hour after the cool-down
 period has finished for the lamp to be cool 
enough.
Procedure
1Turn off the...