3M™ Digital Projector S55i/X55i
Air filtre (continued)
4. Apply a vacuum cleaner to the air filter and the filter cover. Please replace the air
filter when it is damaged or too soiled.
5. Replace the air filter in its original position. Secure the air filter in place by
pressing each of the six 
locations. Make sure there is no dust or dirt remaining after the cover is in place. If any dust or dirt remains use a vacuum cleaner to remove it as when placing the filter cover on the air filter.
Reattach the filter cover to the projector by aligning the filter cover with the grooves on the projector. While holding the handle, push down on the filter cover until it locks firmly in place.
6. Turn the projector on and reset the filter time using the FILTER TIME function in the
OPTION menu (38).
Maintenance
Air filter’s knob
Air filter | mark |
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Filter cover
(1)Press the MENU button to display a menu. When the EASY MENU has appeared, please skip the next step (2).
(2)Point at the “OPTION” in the left column of the menu using ▼/▲ button, then press the ► button.
(3)Point at the “FILTER TIME” using ▼/▲ button, then press the ► button. A dialog will appear.
(4)Press the ▲ button to select “RESET” on the dialog. It performs resetting the filter time.
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