Epson Powerlite Pro Cinema 9350 Users Guide

Maintenance51
Cleaning the Projector Case
Before you clean the case, 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. Then wipe the case 
and dry it with a dry cloth.
Caution: Never use wax, alcohol, benzene, 
thinner, or other chemical detergents. These 
can damage the case.
Cleaning and Replacing the Air Filter
Your projector includes...

52Maintenance
7. Gently tap both sides of the air filter against a hard surface 
four or five times to remove loose dust from the air filter.
Note: Do not tap the filter too hard. This can cause it to bend 
or break.
8. Use a small vacuum cleaner that is designed for computers 
and other office equipment to remove any remaining dust 
from the surface of the filter. If you don’t have one, gently 
clean the filter using a very soft brush (such as a clean 
artist’s paintbrush).
If the dirt is difficult to...

Maintenance53
Replacing the Lamp
The projection lamp lasts for up to 4000 hours. You can use the Info menu to check how 
long it’s been in use (see page 56). It’s time to replace the lamp when:
■The projected image gets darker or starts to deteriorate.
■The projector’s lamp light flashes red at half-second 
intervals.
■The message Replace the lamp appears on the screen 
when you start projecting.
Note: Lamp life results will vary depending on mode selected, 
environmental conditions, and usage. 
Turn off...

54Maintenance
5. Insert the screwdriver that came with the lamp (or a similar tool) into the slot on the back 
of the projector to release the lamp cover. Then lift up the cover to remove it.
6. Loosen the two screws securing the lamp (they don’t come all the way out).
7. Grasp the lamp as shown and pull it straight out.
WARNING:  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. 

Maintenance55
8. Gently insert the new lamp and tighten its screws.
Caution: Don’t touch the glass portion of the lamp assembly. Touching the glass could result 
in premature lamp failure.
9. Replace the lamp cover. (The projector won’t work if the lamp cover is open or loose.)
10. Reset the lamp usage timer, as described on page 56. 

56Maintenance
Resetting the Lamp Usage Timer
After replacing the lamp, plug the projector back in, turn on the power switch on the back, 
and press the Ppower button. Then follow these steps to reset the lamp usage timer:
1. Press the 
Menu button on the projector or remote control.
2. Use the menu navigation buttons to open the 
Reset menu, then select Reset Lamp 
Hours
. 
3. When you see a confirmation prompt, highlight 
Yes and press the Enter button.
4. When you’re finished, press the 
Menu button to...

Maintenance57
Storing the Projector
If you need to store the projector for an extended time, do the following:
■Make sure the temperature of the storage area is within 14 to 140 °F (–10 to 60 °C).
■Attach the lens cover and retract the feet.
■Remove the batteries from the remote control.
■Pack the projector in its original packaging or equivalent.
Transporting the Projector
Note: Epson shall not be liable for any damages incurred during transportation.
The projector contains many glass and precision...

58Problem Solving
Problem Solving
This section explains how to interpret the projector’s status lights, solve problems with the 
picture and remote control, and contact technical support.
What To Do When the Lights Come On 
or Flash
The lights on top of the projector indicate the projector’s 
status and let you know when a problem occurs.
If the projector isn’t working correctly, first press the 
Ppower button, let the projector cool down, turn off the 
power switch on the back, and unplug the power...

Problem Solving59
Note: If the  power and  source lights don’t come on, they may have been turned off using 
the Illumination setting (see page 48).
Lights indicating a problem
Light state Cause and solution
All  lights  are  off The projector is not receiving power. Make sure the power switch 
on the back of the projector is turned on and the power cord is 
connected securely at both ends.
The temperature 
light flashes 
orange and the 
power light is 
flashingHigh-speed cooling is in progress. If the...

60Problem Solving
Solving Picture Problems
You cannot turn on the projector.
■Make sure the power cord is connected and the power switch in back of the projector is 
turned on. Then wait a moment for the Ppower light to come on before pressing the 
Ppower button.
■If you’ve set the Control Panel Lock, the control panel buttons are disabled; you must 
use the remote control to turn on the projector (see page 32).
■If you’ve set the Child Lock, you have to press the Ppower button for 3 seconds to turn 
on...