Epson BrightLink Pro 1470Ui Users Guide - Page 318
If dust is difficult to remove or the air filter is damaged, replace the air filter.
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Page 318 highlights
canned air; the gases may leave a flammable residue, or push dust and debris into the projector's optics or other sensitive areas. 5. Vacuum the front of the air filter (the side with the tabs) to remove any remaining dust. Note: If dust is difficult to remove or the air filter is damaged, replace the air filter. 6. Place the air filter back in the projector as shown. 318
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318
canned air; the gases may leave a flammable residue, or push dust and debris into the projector's
optics or other sensitive areas.
5.
Vacuum the front of the air filter (the side with the tabs) to remove any remaining dust.
Note:
If dust is difficult to remove or the air filter is damaged, replace the air filter.
6.
Place the air filter back in the projector as shown.