Dell S2825cdn Users Guide - Page 391

Problem Action Although a certificate was imported, The type of the certificate is incorrect. To import a certificate for use it is not displayed when selecting with the device (own device), import the secret key and a certificate with "Local Device." of the PKCS#12 (p12/pfx) format as a pair. Server validation is not operating correctly. Although importing a root certificate (Trusted) to 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 Either the certificate has not been imported or the certificate has with the IPsec setting. 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. Wireless Problems NOTE: • Wireless network is available on Dell H625cdw and Dell H825cdw. Problem Action Cannot setup wireless connection. Ensure that the Ethernet cable is disconnected from the printer. Ensure that Wi-Fi is set to On. See "Wi-Fi | WPS." The firewall on your computer may be blocking communication with your printer. Disable the firewall on your computer. Ensure that your local wireless network is supported on 802.11b/g/n at 2.4 GH. Cannot setup wireless connection Ensure that the security setting of the wireless LAN access point or with WPS (Wi-Fi Protected Setup). router is WPA or WPA2. (WEP is not supported on WPS.) Cannot setup wireless connection with the WPS-PBC (Wi-Fi Protected Setup-Push Button Configuration). Press the WPS button on the wireless LAN access point or router within 2 minutes after starting the WPS operation on the printer. For details about the wireless LAN access point or router, refer to the manual supplied with the wireless LAN access point or router. Cannot setup wireless connection with WPS-PIN (Wi-Fi Protected Setup-Personal Identification Number). Check if the PIN you have entered on the computer is correct. Problems With Installed Optional 550-sheet feeder If an optional 550-sheet feeder does not operate correctly following installation or stops working, perform the following: • Turn off the printer, wait for 10 seconds, and then turn it on again. If this does not fix the problem, unplug the printer, and then check the connection between the optional 550-sheet feeder and the printer. • Print the system settings report to see if the optional 550-sheet feeder is listed in the Installed Options list. If the optional 550-sheet feeder is not listed, re-install it. See "Report / List." • Make sure that the optional 550-sheet feeder is selected in the print driver you are using. The following table lists corrective actions for related problems. If the suggested corrective action does not correct the problem, contact Dell. Troubleshooting | 391