Digital certificate problems, Digital, Certificate problems – Dell C2665dnf Color Laser Printer User Manual

Page 559

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Digital Certificate Problems

Symptom

Cause

Action

The certificate import button is

SSL communication is disabled.

Create a self-signed certificate and enable SSL.

disabled.
The certificate details button is

disabled.
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 trying to The certificate data stored in

Import the certificate and enable the security

use security functions that require

internal memory is either deleted,

settings again.

certificates.

corrupt, or is not readable.

A certificate cannot be set with

The validity period is invalid.

The validity period of the certificate is invalid.

"Certificate Details".

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, The type of the certificate is

To import a certificate for use with the device (own

it is not displayed when selecting

incorrect.

device), import the secret key and a certificate of

with "Local Device".

the PKCS#12 (p12/pfx) format as a pair.

Server validation is not operating

The certificate chain is incorrect

Although importing a root certificate (Trusted) to

correctly.

when importing.

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.

Digital Signature cannot be selected The certificate cannot be associated. Either the certificate has not been imported or the

with the IPsec setting.

certificate has not been associated for use with

Digital Signature of IPsec. Refer to "Setting the

Certificate in the IPsec Digital Signature Mode" to

set a certificate of IPsec.

Troubleshooting Guide

557

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