Canon Projector WUX10 Mark II User Manual

121Troubleshooting
Appendix
■The projected image is blur.
■You cannot project an image appropriately.
■The projector is forced to be turned off.
Cause Countermeasure
The image is out of focus. Adjust the focus. (P54)
The distance to the screen is too 
short.Check whether the distance to the screen is appropriate. If 
the distance is shorter than approximately 1.2m (3.9), the 
projector cannot focus on the screen. (P33, P131)
The projector is not placed straight 
in front of the screen.Check whether the...

Troubleshooting
122
■You cannot operate the remote control.
The lamp has exploded (or it is 
defective).Check whether the lamp has exploded.
If the lamp has exploded, replace the lamp according to 
Lamp Handling Precautions on page 17. Check the lamp 
by replacing it with a spare lamp if you have one. (P17, 
P125, P126)
The operating temperature is inap-
propriate.Check whether the operating temperature is 5 to 35°C. (P19)
If you use the projector at 2300 meters or higher above sea 
level, contact your...

123
Appendix
Maintenance
Cleaning the Projector
Clean the projector frequently to prevent dust from settling on the surface.
A dirty lens may ruin the quality of the projected image.
Wipe the projectors main unit softly with a soft cloth.
If the projector is heavily soiled, soak the cloth in water with a small amount of detergent 
in it, squeeze the cloth very well, and then wipe the projector with it. After cleaning, wipe 
the projector with a dry cloth.
 The main unit is very hot immediately after...

Maintenance
124
Cleaning and Replacing the Air Filter
An air filter is installed in the air intake vent on the bottom of the main body to protect the 
internal lens and mirror from dust. Should the air filter become clogged with dust, the pro-
jector may be damaged since it will block the air flow into the projector and raises the 
internal temperature of the projector. The following screen is displayed when turning on 
the projector if the air filter needs to be cleaned. Clean the air filter if such is...

125Maintenance
Appendix
Replacing the Lamp
When the time of use of the lamp exceeds the certain amount of time, the following mes-
sage (two types) is displayed for 10 seconds every time the projector is turned on.
1,800 - less than 2,000 hours
 After this screen has been displayed for 10 seconds and disappeared, all buttons 
become operable.
 This message will not be displayed again if you select [Cancel] in response to the mes-
sage Do you want to display this message again?.
Over 2,000 hours
 After...

Maintenance
126
■Replacing the Lamp
1Turn off the projector, disconnect the 
power plug from the AC outlet, and let 
the projector stand for at least 1 hour.
2Loosen a screw with a flathead screw-
driver and remove the lamp cover.
3Loosen two screws, pull up the handle, 
and then remove the lamp.
4Fully insert a new lamp and secure it 
with two screws.
* After the installation, be sure to 
push down the handle.
5Replace the lamp cover and tighten 
the screw.
6Turn on the projector.
7Bring up the menu and...

127
Appendix
Relationship between Aspect and Screen Aspect
This section describes the relationship between screen aspect (P57) and aspect (P61).
To project an image on the whole screen, select the most appropriate screen aspect ratio 
and aspect according to the aspect ratio of the screen and input signal type.
When Projecting an Image from a Computer
When the input signal is [ANALOG PC-1], [ANALOG PC-2], or [DIGITAL PC], select screen 
aspect and aspect as follows according to the resolution of the...

Relationship between Aspect and Screen Aspect
128
ScreenScreen Aspect 
Ratio SettingResolution of Com-
puter ScreenObject of ProjectionAspect Setting
[4:3][4:3 D. 
image shift]
WUXGA 16:10
Project an image in a 
largest possible size 
on the screen.
[Auto]
WSXGA+,
WSXGA 16:10
Project an image in a 
largest possible size 
on the screen.
[Auto]
Project the computer 
screen in the original 
resolution.
[True size]
WXGA
Project an image in a 
largest possible size 
on the screen.
[Auto]
Project the computer...

129 Relationship between Aspect and Screen Aspect
Appendix
When Projecting an Image from Image Software
To project an image such as an image shot by a TV set, commercially available DVD soft-
ware, or video camcorder (input signal [HDMI], [VIDEO],  [COMPONENT]), select an 
aspect ratio according to the image software format as follows. 
* The image is projected on the 16:9 or 4:3 screen.
 [Auto] cannot be selected for the aspect setting if the input signal type is [VIDEO].
 If an image from image...

130
Supported Computer Signal Types
This projector supports following signal types.
If your computer or AV equipment is compatible with any one of these signal types, the projectors 
auto PC function selects the input signal type to project an image appropriately.
ANALOG RGB
* The specifications in the table above are subject to 
change without notice.
* This projector does not support any computer signal of 
which dot clock is 170 MHz or higher.
* Use a full connected VGA cable in which all pins are...