Epson Projector Emp 7850 User Manual

120
Maintenance MaintenanceEMP-7850 User’s Guide
Air filters at side and base of projector
Pull the air filters out from the projector and then use a vacuum cleaner to 
clean them.
Replacing Consumables
This section describes how to replace the lamp and the air filters.
It is time to replace the lamp when:
The message Lamp Replace. appears on the screen when 
projection star ts.The   indicator is flashing orange
The projected images get darker or start to deteriorate in quality.
TIP
 If the air...

121
Maintenance MaintenanceEMP-7850 User’s Guide
PROCEDURE
Turn the projectors power off, wait for the cool-down 
period to end, and then disconnect the power cable.
The cool-down period lasts for about 30 seconds.Wait until the lamp has cooled down, and then 
remove the lamp cover from the base of the projector.
It takes a further one hour after the cool-down period has 
finished for the lamp to be cool enough.
Insert the screwdriver that is supplied with the spare lamp or 
some other flat-tipped...

122
Maintenance MaintenanceEMP-7850 User’s Guide
Loosen the two lamp fixing screws.
Use the screwdriver that is supplied with the spare lamp or 
some other flat-tipped screwdriver to loosen the two lamp 
fixing screws that are securing the lamp to the projector.
Take out the old lamp.
Fold out the handle as shown in the illustration below and pull 
the lamp out of the projector.
If the lamp is broken, replace it with a new lamp, or contact 
your local dealer for further advice. If replacing the lamp...

123
Maintenance MaintenanceEMP-7850 User’s Guide
Install the new lamp.
Hold the lamp so that it faces the correct way to fit into the 
projector, and then insert the lamp until it clicks into place and 
tighten the two lamp fixing screws.Install the lamp cover.
Slide the cover in until it clicks into place.
56
TIP
 Install the lamp securely. If the lamp cover is removed, the lamp 
turns of automatically as a safety precaution. Moreover, the lamp will 
not turn on if the lamp or the lamp cover is not...

124
Maintenance MaintenanceEMP-7850 User’s Guide
The projector has a built-in counter which keeps track of the lamp 
operating time, so that when the cumulative operating time reaches a 
certain point, it causes the replacement warning message to be displayed. 
Therefore, the counter needs to be reset using the configuration menu after 
the lamp has been replaced with a new one.PROCEDURE
Connect the power cable, turn on the projectors 
power, and then press the [Menu] button on the 
remote control.
The...

125
Maintenance MaintenanceEMP-7850 User’s Guide
The air filters can be replaced even if the projector is installed on a ceiling.PROCEDURE
Turn the projectors power off, wait for the cool-down
period to end, and then disconnect the power 
cable.
The cool-down period lasts for about 30 seconds.
Pull out the air filters.
Insert a flat-tipped screwdriver into the hollow as 
shown in the illustration below, and then pull it 
straight upwards.
The projector has two air filters.
Fold out the handle before...

126 EMP-7850 User’s Guide
Saving a Users LogoYou can record the image that is currently being projected as a users logo.
PROCEDURE
Project the image that you would like to use as a 
users logo, and then press the [Menu] button on 
either the remote control or the projectors control 
panel.Select the Users Logo menu, and then press the 
[Enter] button on the remote control or the [Auto/
Enter] button on the projectors control panel.
Select Yes in the sub-menu, and then press the 
[Enter] button on the...

127
Saving a Users Logo Saving a Users LogoEMP-7850 User’s Guide
The image to be recorded and a selection marquee 
box will be displayed, so move the marquee box to 
select the part of the image to use.
Tilt the [ ] button on the remote control or press the [ ], 
[ ], [ ] and [ ] buttons on the projectors control panel to 
select the part of the image to use as the users logo, and then 
press the [Enter] button on the remote control or the [Auto/
Enter] button on the projectors control panel.
Select Yes...

128
Saving a Users Logo Saving a Users LogoEMP-7850 User’s Guide
Select Yes at the confirmation screen, and then 
press the [Enter] button on the remote control or the 
[Auto/Enter] button on the projectors control panel.
The image will then be saved. Once the image has been saved, 
the message Completed. will be displayed.
7
Save image as users logo?Save image as users logo?If you save it, the previous users logo willIf you save it, the previous users logo willbe overwritten.be overwritten.
YESNO
NO...

129 EMP-7850 User’s Guide
Optional AccessoriesThe following optional accessories are available for purchase if required. This list of optional accessories is current as of June 2003. Details of accessories are 
subject to change without notice.
*1 The 40 Billboard Vision screen cannot be used in combination with 
the Long throw zoom lens.
*2 Cannot be installed by the customer. Please contact your dealer for 
assistance.
*3 A special method of installation is required in order to suspend the 
projector...