Epson EMP 71 Instruction Manual - Page 67

Cleaning the Air Inlets, Then use a vacuum cleaner or other equipment

Page 67 highlights

Cleaning the Air Inlets Accumulated dust in the air inlets degrades ventilation, increases the interior temperature, and can cause malfunction. To prevent debris from entering the air inlets, always stand the projector upright with the lens upward. Then use a vacuum cleaner or other equipment to suck dust from the inlets. Tip: If it is no longer possible to remove the dirt from the air inlets, it is time to replace them. Consult your vendor. 65

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65
Cleaning the Air Inlets
Accumulated dust in the air inlets degrades ventilation, increases the interior
temperature, and can cause malfunction.
To prevent debris from entering the air inlets, always stand the projector
upright with the lens upward.
Then use a vacuum cleaner or other equipment to
suck dust from the inlets.
Tip:
If it is no longer possible to remove the dirt from the air inlets, it is time to replace
them. Consult your vendor.