Restoring The Security Function Using Web Config; Problems Using Network Security Features - Epson LQ-780N Network Manual

Network Guide
F
Press the d button or the u button to select the menu parameters of IPsec/IP Filtering. Press the o button
to scroll through the values within the selected parameter until you find Off.
G
After you finish settings, press the o and d buttons.
The Font and Tear off lamps turn off and the printer exits the default-setting mode.
The settings you made is saved as new value.
Note:
If you turn off the printer prior to exiting default-setting mode, any changes you may have made are canceled and not
saved.

Restoring the Security Function Using Web Config

You can disable the function if you can access the device from the computer.
Disabling IPsec/IP Filtering Using Web Config
A
Access Web Config and select Network Security Settings > IPsec/IP Filtering > Basic.
B
Select Disable for IPsec/IP Filtering in Default Policy.
C
Click Next, and then clear Enable this Group Policy for all group policies.
D
Click OK.
Related Information
"Accessing Web Config" on page 20
&

Problems Using Network Security Features

Forgot a Pre–shared Key
Configure the key again using Web Config.
To change the key, access Web Config and select Network Security Settings > IPsec/IP Filtering > Basic >
Default Policy or Group Policy.
Related Information
"Accessing Web Config" on page 20
&
Cannot Communicate with IPsec Communication
Are you using an unsupported algorithm for the computer settings?
The printer supports the following algorithms.
Solving Problems
52