Aurora, Illinois - There can be several reasons why you may experience intermittent ring artifacts, here is just one to consider:

Confirm that your HV brushes on your brush block are not out of spec or close to replacement. Brushes can bounce and may cause intermittent ring artifacts. Always keep your rings cleaned and confirm your brush block and brush depth.

For more information, contact our technical support team at technicalsupport@dunlee.com.

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