Dell S2815dn tm Smart Multifunction Printer User Guide - Page 527
Digital Certificate Problems
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Problem Cannot scan using TWAIN or Windows Image Acquisition (WIA) on a Windows Server® 2012 or Windows Server® 2012 R2 computer. Action Install the Desktop Experience feature on the computer. To install Desktop Experience: 1 Click Server Manager from the Start screen. The Server Manager screen appears. 2 Under Manage, click Add Roles and Features. Add Roles and Features Wizard appears. 3 Click Next to skip the Before you begin page. 4 Ensure that Role-based or feature-based installation is selected, and then click Next. 5 Ensure that Select a server from the server pool is selected, select the server under Server Pool, and then click Next. 6 Click Next to skip the Select server roles page. 7 Select the Desktop Experience check box under User Interfaces and Infrastructure, and then click Next. 8 Click Confirmation from the list on the left. 9 Select the Restart the destination server automatically if required check box, and then click Install. 10 Restart the computer. Digital Certificate Problems Symptom The certificate import button is disabled. The certificate details button is disabled. The certificate cannot be imported. Cause SSL/TLS communication is disabled. The time setting is incorrect. The certificate file is incorrect. 016-404 is displayed when trying to use security functions that require certificates. The browser is incorrect. The certificate data stored in internal memory is either deleted, corrupt, or is not readable. Action Create a self-signed certificate and enable SSL/TLS. Confirm validity period of the certificate as well as the time setting of the device. 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. Use Internet Explorer®. Import the certificate and enable the security settings again. Troubleshooting Guide 527
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