Hi Ken,
(this message was moved from the General Inquiries forum to here, due to the nature of the question)
Once checks have been reconciled to a status other than Outstanding (ie Cleared, Reversed, etc), you need to print the Check Reconciliation report, ensuring that you select all of the possible check statuses. After printing this report to paper or to a file, you will be given the opportunity to purge all checks with a status other than Outstanding.