Dukane Imagepro 8776-W Lcd Projector Users Manual

59

If the air filter becomes clogged by dust or the like, internal temperatures rise and 
could cause a fire, a burn and/or malfunction to the projector. When the indicators 
or  a  message  prompts  you  to  clean  the  air  filter,  clean  the  air  filter  as  soon  as 
possible.
Please  check  and  clean  the  air  filter  periodically,  even  if  there  is  no  message.
Please replace the air filter when it is damaged or too soiled. Preparation of a new 
air filter is recommended.
To prepare a new...

60

Maintenance
4. Apply a vacuum cleaner to the air filter 
and the filter cover. Please replace the air 
filter when it is damaged or too soiled.
5. Replace the air filter in its original 
position. Secure the air filter in place by 
pressing each of the six  locations. 
Make sure there is no dust or dirt 
remaining after the cover is in place. If any 
dust or dirt remains use a vacuum cleaner 
to remove it as when placing the filter 
cover on the air filter. 
Reattach the filter cover to the...

6

. Turn the projector off, and unplug the power cord. Allow the projector to cool sufficiently.
. After making sure that the projector has cooled adequately, slowly turn over the projector, so that the bottom is facing.
3. Remove the battery cover.  Turn the battery cover in the direction indicated “OPEN” using such as coins. Then the battery cover will come up. While removing the battery cover, pick its knob.
4. Take the old battery out. Press the metal claw of the battery holder. Then...

6

Maintenance
WARNING    ►Before caring, make sure the power switch is off and the 
power cable is not plugged in, and then allow the projector to cool sufficiently. 
The care in a high temperature state of the projector could cause a burn\
 and/or 
malfunction to the projector.
►Never try to care for the inside of the projector personally. Doing is so 
dangerous. 
►Avoid wetting the projector or inserting liquids in the projector. It could result 
in a fire, an electric shock, and/or malfunction...

63

Related messages
When the unit's power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please foll\
ow the 
instructions described below. If the same message is displayed after the remedy, 
or if a message other than the following appears, please contact your de\
aler or 
service company.
Although these messages will be automatically disappeared around several\
 
minutes, it will be reappeared every time the power is turned on....

64

Troubleshooting
Regarding the indicator lamps
Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please follow the 
instructions within the table. If the same indication is displayed after\
 the remedy, 
or if an indication other than the following is displayed, please contac\
t your dealer 
or service company.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
In Orange
Turned
off
Turned
off...

65

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Blinking
In Red
or
Lighting
In Red
Turned
off
Blinking
In Red
The cooling fan is not operating.
Please turn the power off, and allow the projector to 
cool down at least 0 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is...

66

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING  ►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or cables, 
penetration of liquids or foreign matter, etc. should occur. In such cases, 
immediately turn off the power switch and then disconnect the power plug from 
the power outlet. After making sure that the smoke or odor has stopped, contact 
your dealer or service company.
. Before...

67

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
Sound does not 
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.3, 4
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button 
on the remote control. 0
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote...

68

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.7, 8
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP 
menu.
8, 37
The lamp is approaching the end of its product 
lifetime.
Replace the...