If the account is not marked as a Pattern Day Trader (PDT), you will not be able to submit a reset request. In this case you will simply have to wait until you have at least 1 Day Trade available before you can trade again.
Additional Information
Accounts that have not yet been migrated to the intraday margin standards are still subject to the Pattern Day Trading (PDT) rules and are not yet subject to Intraday Margin Deficit (IMD) calls. For more information on the FINRA rule change please review the FAQs on IMD.