NEC NP-P401W User Manual page 169

(2) Push the left end of each filter and remove the hard two
honeycomb filters (large and small).
• The large filter cannot be removed by pushing on its right
end.
4. Use a vacuum cleaner to vacuum all the dust inside.
Get rid of dust in the accordion filter
NOTE:
• Whenever you vacuum the filter, use the soft brush attachment to
vacuum. This is to avoid damage to the filter.
• Do not wash the filter with water. Doing so can result in filter clog-
ging.
5. Remove dust from the filter unit and the filter cover.
Clean both outside and inside.
6. Attach the four filters to the filter unit.
(1)Insert the left end of each hard honeycomb filter (large and
small) first and then the right end of each hard honeycomb
filter to the filter unit.
• The large filter cannot be fitted if its right end is inserted.
(2) Turn the filter unit over.
• Attach the two soft accordion filters (large and small). Each
accordion filter has a slit on it. Align the slit with each pro-
trusion of the filter unit.
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7. Maintenance
Slit