Cleaning The Filter; Replacing The Filter - BenQ HT6050 User Manual

Resetting the lamp timer
10. After the startup logo displays, resetting the lamp timer via the OSD menu.
• Under the OSD menu, go to System Setup : Advanced > Reset Lamp
Timer, and select Reset.
Do not reset if the lamp is not new or replaced as this could cause damage.
A "Reset Successfully" message displays to notify that the lamp time has been
reset to "0".

Cleaning the filter

The air filter prevents dust from accumulating on the surface of the optical elements inside
the projector. If the filter is dirty or clogged, your projector may overheat or degrading the
projected image quality.
1. Turn off the projector, and unplug the AC
power cord from the AC outlet.
2. Cleaning the filter with a vacuum cleaner.
Recommend avoiding dusty or smoky environments
when you operate the projector, it may cause poor image
quality. If the filter is heavily clogged and unable to clean,
replace a new filter.
Using a ladder is recommended to access the filter. Do
not remove the projector from the wall mount.

Replacing the filter

1. Turn off the projector, and unplug the
AC power cord from the AC outlet.
Clean up the dust on the projector and
around the air vents.
Pull out the filter cover and remove
from the projector.
2. Lift the filter from the filter cover.
60 Maintenance