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Cannot Access the Printer or Scanner after Configuring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the printer’s control panel. Connect the printer and a computer, and then
configure IEEE802.1X again.
Related Information
&
“Configuring an IEEE802.1X Network” on page 582
Problems on Using a Digital Certificate
Cannot Import a CA-signed Certificate
CA-signed Certificate and the information on the CSR do not match.
If the CA-signed Certificate and CSR do not have the same information, the CSR cannot be imported. Check the
following:
❏
Are you trying to import the certificate to a device that does not have the same information?
Check the information of the CSR and then import the certificate to a device that has the same information.
❏
Did you overwrite the CSR saved into the printer after sending the CSR to a certificate authority?
Obtain the CA-signed certificate again with the CSR.
CA-signed Certificate is more than 5KB.
You cannot import a CA-signed Certificate that is more than 5KB.
The password for importing the certificate is incorrect.
Enter the correct password. If you forget the password, you cannot import the certificate. Re-obtain the CA-signed
Certificate.
Related Information
&
“Importing a CA-signed Certificate” on page 565
Cannot Update a Self-Signed Certificate
The Common Name has not been entered.
Common Name
must be entered.
Unsupported characters have been entered to Common Name.
Enter between 1 and 128 characters of either IPv4, IPv6, host name, or FQDN format in ASCII (0x20-0x7E).
A comma or space is included in the common name.
If a comma is entered, the
Common Name
is divided at that point. If only a space is entered before or after a
comma, an error occurs.
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Solving Problems for Advanced Security
590
Содержание WF-C20600
Страница 21: ...Part Names and Functions Front 22 Rear 24 ...
Страница 34: ...Loading Paper Paper Handling Precautions 35 Paper Size and Type Settings 35 Loading Paper 37 ...
Страница 45: ...Inserting and Removing a Memory Device Inserting an External USB Device 46 Removing an External USB Device 46 ...
Страница 102: ...Copying Available Copying Methods 103 Basic Menu Options for Copying 111 Advanced Menu Options for Copying 113 ...
Страница 500: ...3 Click Edit Administrator Information Settings to Use the Printer Setting a Shared Network Folder 500 ...
Страница 595: ...Where to Get Help Technical Support Web Site 596 Contacting Epson Support 596 ...