The answer to 'dryer vent dusty' is that a dusty dryer vent is a common issue that can be caused by a buildup of lint and debris in the vent. This can happen over time as the dryer is used, and can lead to reduced airflow, increased drying times, and even fire hazards.
Some of the main symptoms of a dusty dryer vent include reduced airflow from the vent, increased drying times, and excess lint buildup around the vent or in the dryer itself. To address this issue, it's important to regularly clean the dryer vent to remove any accumulated lint and debris.