Epson Brightlink 455wi Interactive Projector Users Guide

Using the Projector on a Network101
■A/V Mute button temporarily turns off the picture and sound (see 
page 54).
■The Page Up/Down buttons control PowerPoint slides (requires 
USB cable. See page 58).
■The Volume buttons raise or lower the audio volume.
■The CC (Closed Captioning) button lets you display closed 
captioning for content that provides it. 

102Using the Projector on a Network 

103
7
Maintaining the Projector
Your projector needs little maintenance. All you have to do on a 
regular basis is clean the lens, and check that the air filter and vents are 
clean. A clogged air filter or vent can block ventilation needed to cool 
the projector.
The only parts you should replace are the lamp and air filter. If any 
other part needs replacing, contact your dealer or a qualified servicer.
This chapter covers the following:
■Cleaning the projection window
■Cleaning the projector case...

104Maintaining the Projector
Cleaning the Projection Window
Clean the projection window whenever you notice dirt or dust on the 
surface.
To remove dirt or smears on the window, use a commercially available 
cloth for cleaning glasses.
Cleaning the Projector Case
Before cleaning, turn off the projector and unplug the power cord.
■To remove dirt or dust, wipe the case with a soft, dry, lint-free 
cloth.
■To remove stubborn dirt or stains, moisten a soft cloth with water 
and a neutral detergent and firmly...

Maintaining the Projector105
Cleaning the Air Filter 
Your projector includes an air filter to ensure the best performance 
and help protect your equipment investment. If dust collects on the 
air filter, clean it as described here. Dust clogs prevent proper 
ventilation and can cause overheating, which can damage the 
projector.
1. Turn off the projector.
2. Remove dust from the air filter using a small vacuum cleaner 
designed for computer or office equipment, or gently clean the 
vent with a soft...

106Maintaining the ProjectorContact your dealer or call Epson at 800-GO-EPSON 
(800-463-7766) to obtain a new air filter. Request part number 
V13H134A34.
1. Turn off the projector and unplug the power cord.
2. Slide the switch, then open the air filter cover on the side of the 
projector.
3. Grasp the tab and pull the air filter straight out as shown.
note
Air filters contain ABS resin 
and polyurethane foam. 
Dispose of used air filters 
according to local 
regulations. 

Maintaining the Projector107
4. Press in the new air filter until it clicks into place.
Replacing the Lamp
The life span of the projection lamp is about 2500 hours if Power 
Consumption 
in the Settings menu is Normal (default), and 3500 
hours if this setting is 
ECO. See page 111 to check the lamp usage.
It is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The message Replace the lamp appears on the screen and the 
Lamp light flashes orange. To maintain...

108Maintaining the ProjectorFollow these steps to replace the lamp:
1. Turn off the projector and unplug the power cord.
2. Let the projector cool for at least an hour (if it has been on). The 
lamp is extremely hot immediately after use. 
3. Loosen the lamp cover screw (you cannot remove it). Then slide 
the lamp cover off.
4. Loosen the two screws holding the lamp in place (you can’t 
remove them).
warning
Let the lamp cool fully 
before replacing it. 
In the unlikely event that 
the lamp has broken,...

Maintaining the Projector109
5. Grasp the lamp handle as shown and pull it straight out.
 
6. Gently insert the new lamp along the guide rail, then push it in 
place. 
note
The lamp(s) in this 
product contain mercury. 
Please consult your state and 
local regulations regarding 
disposal or recycling. Do not 
put in the trash. 

110Maintaining the Projector7. Tighten its screws, then press it in by the handle until it clicks 
into place. 
8. Replace the lamp cover, then tighten its screw.
9. Reset the lamp timer as described in the next section. 
note
Tighten the lamp cover 
securely so you do not receive 
a lamp cover error when you 
turn the projector back on.