Bedienungsanleitung Dell H625cdw (Seite 391 von 399) (Englisch)

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Troubleshooting |

391

Wireless Problems

NOTE:

• Wireless network is available on Dell H625cdw and Dell H825cdw.

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.

Although a certificate was imported,

it is not displayed when selecting

with "Local Device."

The type of the certificate is incorrect. To import a certificate for use

with the device (own device), import the secret key and a certificate

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

with the IPsec setting.

Either the certificate has not been imported or the certificate has

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.

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

with WPS (Wi-Fi Protected Setup).

Ensure that the security setting of the wireless LAN access point or

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.

Problem Action

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