BenQ Pb8260 Users Manual

Maintenance 37 4. Use a small vacuum cleaner designed for computers 
and other office equipment to clean the filters. Or 
use a soft brush (such as a clean artist’s paintbrush) 
to gently sweep the dust away.
If the dirt is difficult to remove or the filters are 
broken, replace them. Contact your dealer or visit 
BenQ website at www.BenQ.com for more service 
information.
5. Replace the filters then press the covers back until 
they click into place.
If the covers are not correctly seated in place, you...

Maintenance 38
Lamp information
Use and replacement of the lamp
When the Lamp Indicator lights up red or a message appears suggesting it is time to replace 
the lamp, please install a new lamp. An old lamp may cause a malfunction in the projector 
and in some instances the lamp may explode.
For more detailed information on the warning indicators, please refer to page 46.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too
hot. Turn the power off, allow the...

Maintenance 39
• This lamp contains mercury. Consult your local hazardous waste regulations and 
dispose of this lamp in the proper manner.
Step 1. Turn the power off and disconnect the projector from the wall socket.
Step 2. Protect the projectors surface by clearing a flat open area on your desk and placing a 
soft item on the desk for padding.
Step 3. Turn the projector over. Then loosen the 
screws and remove the lamp cover. If the 
lamp is hot, avoid burns by waiting for 45 
minutes until the lamp...

Maintenance 40
• Do not reset if the lamp is not replaced as this could cause damage.
Step 9. Reset the lamp counter 
1. Press and hold Exit on the 
projector for 3 seconds to display 
the total used lamp time.
2. Press Menu on the projector or on 
the remote control to access the 
lamp hour timer. An adjustment 
message will appear.
3. Press W or X to reset lamp hours 
and press EXIT to leave.
Temperature warning light
When the Temperature warning light is on, it is warning you of the following possible...

Maintenance 41
LEDStatus & Description
PowerTe m pLamp
Power events
The projector has just been connected to a power outlet.
--
Stand-by mode.
--
(1) The projector needs 90 seconds to cool down as it was 
abnormally shut down without the normal cooling down 
process. Or
(2) The projector needs to cool for 90 seconds after the power 
is turned off.
--
The Power indicator light is flashing during powering up.
--The projector is under normal operation.
Lamp events
---The lamp counter has developed a...

Maintenance 42The projector has shutdown automatically. If you try to re-
start the projector, it will shutdown again. Please contact your 
dealer for assistance.
The projector has shutdown automatically. If you try to re-
start the projector, it will shutdown again. Please contact your 
dealer for assistance.
-
The projector has shutdown automatically. If you try to re-
start the projector, it will shutdown again. Please contact your 
dealer for assistance.
The projector has shutdown automatically. If...

Maintenance 43
Service information
Accessories (included in the standard package) 
Optional accessories (not included in the standard package)
Ordering parts or getting information
For product information, product assistance, service information, or to order accessories, 
please visit the BenQ Corporation website at http://www.BenQ.com. Description   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Part Number
Power cord (US)  . . . . . . . . . . . . . . ....

Troubleshooting 44
Troubleshooting
Common problems & solutions
THE PROJECTOR DOES NOT TURN ON.
NO PICTURE   
BLURRED IMAGE
REMOTE CONTROL DOES NOT WORK
  
CauseRemedy
There is no power from the power 
cable.Plug the power cord into the AC inlet on the 
projector, and plug the power cord into the 
power outlet. If the power outlet has a switch, 
make sure that it is switched on.
Attempting to turn the projector on 
again during the cooling process.Wait until the cooling down process has 
completed....

Specifications 45
Specifications
Projector specifications
Technical specifications
All specifications are subject to change without notice.
General
Product name Digital Projector
Model name PB8260         1024 x 768  XGA
Optical
Display system 1-CHIP DMD
Lens F/Number F/2.4
Lamp PB8260                    300W lamp
Electrical
Power supply AC100 ~ 240V, 4.5A, 50/60 Hz (Automatic)
Power consumption PB8260                     410W (Max)
Mechanical
Dimensions 320 mm (W) x 106 mm (H) x 236 mm (D)
Weight 8.4...

Specifications
46
Dimensions
Unit: mm
Timing chart
Supported timing for PC (including DVI-I and Wireless) input
 * The only mode supports wireless input.
• To achieve the best quality projected image, please use the projectors native resolution 
of 1024 x 768.
Environmental Requirements
Operating temperature 0°C ~ 40°C at sea level
Operating relative humidity 10% ~ 90% (without condensation)
Operating altitude 1830 meters (6000 feet) at 30°C
1830 ~ 3050 meters (6000 ~ 10000 feet) at 23°C...