Epson Projector Emp 7700 User Manual

 When the Indicators Provide No Help - 79
·The image is 
disturbed.
·Noise appears
Has the cable been connected correctly?
see page 26, 36Is the selected resolution correct?
Align the computer with the signals supported by the projector. Refer 
to the computer’s instruction manual for details on how to amend the 
signals.
see page 26
Has the [Sync., Tracking and Position] been adjusted?
The image can be adjusted by regulating the [Tracking] and [Sync] 
buttons on the projector while monitoring the...

80 - When the Indicators Provide No Help
The image is cut up (Large)/Small
The image color is bad
·The image is cut 
up
·The image is small
There is a possibility that the [Resize] setting has not been correctly 
selected.
Press the [Resize] button.
see page 55
Has the [Position] been adjusted?
Adjust with [Menu] − [Video] − [Position].
see page 66
Is the selected resolution correct?
Align the computer with the signals supported by the projector. Refer 
to the computer’s instruction manual for details...

 When the Indicators Provide No Help - 81
The image is dark
No sound
Is it time to replace the lamp?
If the Lamp Indicator is blinking, it means that the time to replace the 
lamp is drawing near. When the time to replace the lamp draws near, 
the image will appear dark and the tint will deteriorate. In this event, 
replace the lamp with a new one.
see page 86
Has the image brightness been correctly adjusted?
see page 66
Has the contrast been correctly adjusted?
see page 66
Has the sound input been...

82 - When the Indicators Provide No Help
The remote control will not work
Cannot end (after the [Power] button has been pressed)
Point
If an abnormality remains after checking the results of the above inspections, disconnect 
the Power Plug from the socket and consult with your dealer.
Is the [R/C ON OFF] switch on the remote control on?
see page 41
Is the remote control being aimed in the correct direction?
The operable range of the remote control unit is 30° to the left and 
right, and 15° up and...

 Cleaning the Projector, Cleaning the Lens, Cleaning the Air Filter - 83
Maintenance
This section provides explanations on taking care of the projector, replacing consumable items and other maintenance procedures.




 
Cleaning the Projector, Cleaning the Lens, 
Cleaning the Air Filter
Clean the projector if it becomes soiled or if the quality of the projected images deteriorate. 
Please clean the air filter about every 100 hours of operation.
Switch off the power supply and disconnect the Power Cord...

84 - Cleaning the Projector, Cleaning the Lens, Cleaning the Air Filter
Cleaning the projector
·Gently wipe the soiled parts of the projector with a soft cloth. 
·When the soiling is severe, wipe the area with a cloth moistened with a medium-strenth 
cleaning agent diluted with water, and then gently wipe it with a dry cloth. 
Never use wax, Benzene, thinner or other active agents. Failure to observe this may result in 
damage or paint peeling from the casing.
Cleaning the lens
Clean the lens with an...

 Replacing the Air Filter - 85




 
Replacing the Air Filter
Replacement method 
1Switch off the power supply, allow the projector to cool down, and then disconnect the 
Power Cord. The amount of time required for the projector to cool down will depend 
on the surrounding temperature.
2Remove the Air Filter.
Point
Ensure that the projector is stood on its end when replacing the Air Filter to prevent the dirt 
and dust from penetrating inside.
3Set a new Air Filter in place.
Point
·Insert the clips...

86 - Replacing the lamp




 
Replacing the lamp
Replace the lamp at the following times (model number: ELPLP12).
When a message stating [Lamp Replace] is displayed for thirty seconds after 
the start of projection
When the lamp indicator is blinking in orange
When the brightness and picture quality has deteriorated below the initial 
levels
Point
·Replace the lamp when it will not light up even if it is not time for replacement.
·Replace the lamp as quickly as possible after the message has been...

 Replacing the lamp - 87
Replacement method 
1Switch off the power supply, allow the projector to cool down, and then disconnect the 
Power Cord.
The amount of time required for the projector to cool down will depend on the surround-
ing temperature.
2Remove the lamp cover only after the lamp has cooled sufficiently. 
·It will take at least 60 minutes for the lamp to cool sufficiently.
·Loosen the screw fixing the lamp cover in place with the screwdriver provided with the 
replacement lamp. Pull the...

88 - Replacing the lamp
5Attaching the lamp cover.
First attach the hook on the left side of the lamp cover, and then the right. Snap the cover 
into place and secure with the screw.
Point
·Attach the lamp and lamp cover firmly. The power will not be reinstated unless the lamp 
and lamp cover are set firmly in place.
·A replacement Air Filter is packaged with the replacement lamp. Replace the Air Filter at 
the same time as replacing the lamp.
·Ensure that the lamp illumination time is reset in...