BenQ Projector MX726 User Manual

Maintenance61
Timing of replacing 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 or consult your dealer. An old lamp may cause a 
malfunction in the projector and in some instances the lamp may explode.
Go to http://www.benq.com for a replacement lamp.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too 
hot. Turn the projector off and let the projector cool for 45 minutes....

Maintenance 62
Replacing the lamp
• If lamp replacement is performed while the projector is suspended upside-down from the 
ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or 
damage to the human eyes caused by fractured lamp.
• To reduce the risk of electrical shock, always turn the projector off and disconnect the power 
cord before changing the lamp.
• To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before 
replacing the...

Maintenance63
5. Loosen the two captive screws that 
secure the lamp.
• Do not turn the power on with the lamp 
cover removed.
• Do not insert your fingers between the 
lamp and the projector. The sharp edges 
inside the projector may cause injuries.
6. Lift the handle so that it stands up. Use 
the handle to slowly pull the lamp out 
of the projector.
• Pulling it too quickly may cause the lamp to 
break and scatter broken glass in the 
projector.
• Do not place the lamp in locations where 
water might...

Maintenance 64
12. Restart the projector.
Do not turn the power on with the lamp cover removed.
Resetting the lamp timer
13. After the startup logo, open the On-Screen Display (OSD) menu. Go to the 
SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. 
The Lamp Settings page displays. Highlight Reset lamp timer. A warning 
message displays asking if you want to reset the lamp timer. Highlight Ye s and press 
MODE/ENTER. The lamp time will be reset to 0.
Do not reset if the lamp is not new or...

Maintenance65
Indicators 
LightStatus & Description
Pow e rTe m pLamp
Pow e r  ev e n t s
Orange Off OffStand-by mode
Green
FlashingOff Off
Powering up
Green Off OffNormal operation
Orange
FlashingOff Off
Projector is cooling.
Lamp events
Off Off Orange 
FlashingThe lamp ignition is not lit up.
Off Off Red1. The projector needs 90 seconds to cool down. Or
2. Please contact your dealer for assistance.
Thermal events
Red Red Off
The fans are not 
working.The projector has shutdown 
automatically. If you...

Maintenance 66
System events
Green Off Red
The projector has shutdown automatically. If you try to re-
start the projector, it will shutdown again. Please contact 
your dealer for assistance. Red
FlashingOff Off
Red Off Red
Off Green RedLamp door is open. Please check if the lamp door is open or 
not closed properly.
Green Off OrangeLamp life exhausted.
Red Off OffDownload.
Off Red OffLAN download fail.
Off Green OffLAN download processing. 

Troubleshooting67
Troubleshooting
The projector does not turn on. 
No picture. 
Blurred image. 
Remote control does not work. 
The password is incorrect. 
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 68
Specifications
Projector specifications
All specifications are subject to change without notice. 
Optical
Resolution
MX726
1024 x 768
MW727
1280 x 800
Display system
Single-chip DLP™ system
Lens F/Number
F=2.59 to 2.91, f=16.87 to 21.87mm
Lamp
280W lamp
Electrical
Power supply
AC100-240V
50-60 Hz (Automatic)
3.9A
Power consumption
390W (Max); < 0.5W (Standby)
Mechanical
Weight
7.28 lbs (3.3 Kg)
Output terminals
Speaker
(Mono) 10 watt x 1
Audio signal output
PC audio jack x 1
Monitor...

Specifications69
Dimensions
314.2 mm (W) x 116 mm (H) x 216.3 mm (D)
314.2
216.3314.2
51.2116.065.2
45.6
76.0 109.0 71.090.5
537.9577.7636.9
81.8
314.2216.3
Ceiling Mount Installation*Ceiling Mount Screws:
  M4 (Max. L=25, Min. L=20)Unit: mm 

Specifications 70
Timing chart
Supported timing for PC input 
Resolution ModeRefresh
rate
(Hz)H-
frequency
(kHz)Clock
(MHz)3D Field
Sequential3D
over-
under3D
side-
by-side
800 x 600 640 x 480720 x 400
1024 x 768
1152 x 864
1024 x 576
1024 x 600
1280 x 720
1280 x 768
1280 x 800
1280 x 1024VGA_60
VGA_72
VGA_75
VGA_85 720 x 400_70
SVGA_60
SVGA_72
SVGA_75
SVGA_85
XGA_60
XGA_70
XGA_75
XGA_85
1152 x 864_75
BenQ NB Timing
BenQ NB Timing
1280 x 720_60
1280 x 768_60
WXGA_60
WXGA_75
WXGA_85
SXGA_60
SXGA_75...