NEC M230X User Manual page 127

[M420X/M420XV/M350XS/M300XS/M260XS/M300WS/
M260WS]
1. Push up the buttons on the left and right to release the
filter unit and pull it out.
2. Remove the filter unit by pulling out the tab.
3. Remove the four filters.
(1) Turn the filter unit over and pull out the two soft accordion
filters (large and small).
(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.
Filter cover
Filter unit
117
7. Maintenance