Citizen IF1-EFX1 - Supported Protocols Tab; User Account Tab; Maintenance Tab

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5-3-3. “Supported Protocols” Tab
Use the “Supported Protocols“ tab to enable
LPR and the RAW protocol, set the printer
timeout duration, enable "Priority to
Ethernet", and enable UPnP.
5-3-4. “User Account” Tab
Use the “User Account” tab to change the
administrator name and password.
Warning
If you forget the new username and password,
settings must be returned to the factory default
settings.
5-3-5. “Maintenance" Tab
Use the “Maintenance“ tab to restart the
LAN interface board, return the settings to
the factory default settings, and update the
firmware.
Warning
After the firmware upgrade starts, do not
disconnect power or transmission to the printer
until the upgrade is complete.
When updating the firmware, it is necessary to
obtain the correct firmware data from us.
If the firmware is not updated correctly, this interface board may not boot.