Note: Mirror Editions are deployed on Ethereum mainnet - not Optimism.
You can navigate to Etherscan to withdraw the funds from an Edition:
1) Go to the plugins page on Mirror: https://mirror.xyz/dashboard/plugins
2) Click on your edition
3) Click “View Edition”
4) Click the Edition pill underneath the title of your edition (this will take you to the Etherscan page for the edition)
5) Click the Contract tab
6) Connect your wallet (Note it must be the owner of the Edition)
7) Navigate to “Write Contract” tab.
8) Select “withdrawFunds” function
9) Input funding recipient Ethereum address (e.g. 0x123…456) and enter 250 for the feeBPS value
10) Click on “Write”
Once completed, this will transfer all funds to the funds recipient. If you have any additional questions, please submit a support request.