You can reset your Signature Password within the Rcopia environment.
Start on the Rcopia login screen, and sign in by entering your username and password.
Step 1: Click the icon on the top-left portion of your screen, then click Settings.
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Step 2: Click Signature Password.
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Step 3: Follow these steps in chronological order, and refer to the screenshot below:
(A) Enter your Current Signature Password.
(B) Enter your New Signature Password following the same general format as the previous Signature Password.
(C) Re-enter your New Signature Password.
(D) Click Save.
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Step 4: You have successfully changed your Signature Password!