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Cheryl MillerSep 1, 2025
Why does Ricoh Printer show authentication error with space, colon, or quotation mark in username?
- CcarolinebowersSep 1, 2025
If you're encountering an authentication error on your Ricoh printer because the username contains a space, colon (:), or quotation mark ("), recreate the account without these prohibited characters. If the account name was entered incorrectly, re-enter it correctly and log in again.