Operation Manual

Message Causes Solutions
"XXX cannot be YYY
because the device
certificate used for the S/
MIME signature is not
currently valid."
(XXX and YYY indicate the
user action.)
The device certificate (S/
MIME) has expired.
A new device certificate (S/MIME)
must be installed. For details about
how to install a device certificate (S/
MIME), see Security Guide .
"XXX cannot be YYY
because there is a problem
with the device certificate
used for the S/MIME
signature. Check the device
certificate."
(XXX and YYY indicate the
user action.)
There is no device certificate
(S/MIME), or the certificate
is invalid.
For details about the device certificate
(S/MIME), see Security Guide .
"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 a fax or 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 .
10. Troubleshooting
222