Ricoh Pro 8100 EX User Guide - Page 263
When Problems Occur While Logging In, Digital Signature's device
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When Other Messages Appear Messages Causes Solutions "XXX cannot be YYY because the Digital Signature's device certificate is not currently valid." (XXX and YYY indicate the user action.) The device certificate (PDF with digital signature or PDF/A with digital signature) has expired. A new device certificate (PDF with digital signature or PDF/A with digital signature) must be installed. For details about how to install a device certificate (PDF with digital signature or PDF/A with digital signature), see Security Guide . "XXX cannot be YYY because there is a problem with the Digital Signature's device certificate. Check the device certificate." (XXX and YYY indicate the user action.) There is no device certificate (PDF with digital signature or PDF/A with digital signature), or the certificate is invalid. A new device certificate (PDF with digital signature or PDF/A with digital signature) must be installed. For details about how to install a device certificate (PDF with digital signature or PDF/A with digital signature), see Security Guide . • If an e-mail cannot be sent and a message appears which states that there is a problem with the device certificate or user certificate, a new certificate must be installed. For details about how to install a new certificate, see Security Guide . When Problems Occur While Logging In Messages "Authentication has failed." "Authentication has failed." Causes Solutions The entered login user name or login password is not correct. For details about the correct login user name and login password, see Security Guide . The machine cannot perform authentication. For details about authentication, see Security Guide . 213
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