Digital certificate problem – Dell C3760dn Color Laser Printer User Manual
Page 395
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.