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Digital certificate problem – Dell C3760dn Color Laser Printer User Manual

Page 395

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Troubleshooting Guide

393

Digital Certificate Problem

9

Replace the toner cartridge (C). See "Replacing the Toner Cartridges."

The task is complete.

(The toner cartridge

(C) you are using has

been damaged. Replace

it with a new one.)

Contact Dell.

Symptom

Cause

Action

The LDAP-SSL/TLS

Communication setting and the

Upload Signed Certificate button

are not displayed.

The optional hard disk installed in

the printer is not encrypted.

Confirm whether the optional hard disk is

connected correctly, and confirm whether Data

Encryption is enabled from the operator panel or

Dell Printer Configuration Web Tool.

The certificate import button is

disabled.

SSL communication is disabled.

Create a self-signed certificate and enable SSL.

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 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.