NEC NP-P420X P350W : user's manual - Page 162
Use a vacuum cleaner to vacuum all the dust inside.
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(2)Push the left end of each filter and remove the hard two honeycomb filters (large and small). • T he 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. 7. Maintenance 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. • T he large filter cannot be fitted if its right end is inserted. Slit (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 protrusion of the filter unit. 144