NEC NP41 - 6 Maintenance; ➊ Cleaning the Lens and the Focus Sensor; ➋ Cleaning the Cabinet

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6. Maintenance
This section describes the simple maintenance procedures you should follow to clean the focus sensor, lens and
replace the lamp and the cooling pump.
➊
Cleaning the Lens and Focus Sensor
Cleanng the lens
Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens.
Cleanng the focus sensor
Use a blower or lens paper to clean the focus sensor.
Keep nger prints off the focus sensor. Leaving nger prints in the focus sensor might cause poor focus or short
auto focus range.
➋
Cleaning the Cabinet
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CAUTION:
When cleaning the speaker us-
ing a vacuum cleaner, do not
force the brush of the vacuum
cleaner into the slits of the cabi-
net.
Applying strong pressure or pos-
sibly impacting the speaker may
cause a malfunction.