Dell C3760n Color Laser Printer User's Guide - Page 395
Digital Certificate Problem, Symptom, Cause, Action
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9 Replace the toner cartridge (C). See "Replacing the Toner Cartridges." The task is complete. Contact Dell. (The toner cartridge (C) you are using has been damaged. Replace it with a new one.) Digital Certificate Problem 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. 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. The optional hard disk is formatted After initializing, import the certificate and enable and the certificate data is deleted the security settings again. The action is the same when setting encryption of the when formatting the optional hard disk. 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. A certificate is deleted when setting encryption of the optional hard disk to Off. A certificate is deleted when formatting the optional hard disk. Troubleshooting Guide 393