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Troubleshooting Guide 557
The certificate cannot be imported. The time setting is incorrect. Confirm validity period of the certificate as well as
the time setting of the device.
The certificate file is incorrect. Confirm whether the password is correct.
Confirm whether the file type is PKCS#7/#12 or
x509CACert (extension: p7b/p12/pfx/cer/crt).
Confirm whether the attribute information (key
Usage/Extended key usage) of the certificate to be
imported is set correctly.
The browser is incorrect. Use Internet Explorer.
016-404 is displayed when setting
the encryption of the optional hard
disk to Off.
The optional hard disk is formatted
and the certificate data is deleted
when setting encryption of the
optional hard disk to Off. Since a
certificate is required and the
security function cannot be enabled
when restarting the device afterward,
016-404 is displayed and the security
setting must be initialized. The
cause is the same when formatting or
removing the optional hard disk.
After initializing, import the certificate and enable
the security settings again. The action is the same
when formatting the optional hard disk.
016-404 is displayed when
formatting the optional hard disk.
Security is set to Off when setting
encryption of the optional hard disk
to Off.
Security is set to Off when
formatting the optional hard disk.
A certificate is deleted when setting
encryption of the optional hard disk
to Off.
A certificate is deleted when
formatting the optional hard disk.
A certificate cannot be set with
"Certificate Details".
The validity period is invalid. The validity period of the certificate is invalid.
Confirm whether the time setting of the machine is
correct, and whether the validity period of the
certificate has expired.
The certificate path is invalid. The certificate chain (path validation) of the
imported certificate may not be correctly validated.
Confirm whether all of the high-level certificates
(Trusted/Intermediate) have been imported and are
not deleted, and whether the validity period has
expired.
Although a certificate was imported,
it is not displayed when selecting
with "Local Device".
The type of the certificate is
incorrect.
To import a certificate for use with the device (own
device), import the secret key and a certificate of
the PKCS#12 (p12/pfx) format as a pair.
Server validation is not operating
correctly.
The certificate chain is incorrect
when importing.
Although importing a root certificate (Trusted) to
use for server authentication, an Intermediate
certificate may be required when validating the
path.
When executing a certificate file with the
certification authority, create the certificate with a
format including all paths and then import that
certificate.
Symptom Cause Action