How often should accumulated lint be removed from inside the dryer?
It is recommended that lint be removed from inside the dryer every 2 to 3 years, or more often depending on dryer usage. This cleaning should be done by a qualified person, as lint can gather inside the dryer and act as fuel for fire. (Page 13)
From the official Whirlpool Dryer Lint Screen Maintenance & Cycle Guide manual, page 13
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