Setup for the printer's control panel. You can set up as follows.
Access Web Config and select the Device Management tab > Control Panel.
Set up the following items as necessary.
You can also set up from the printer’s control panel.
Language : Settings > General Settings > Basic Settings > Language
Panel Lock : Settings > General Settings > System Administration > Security Settings > Admin Settings > Lock Setting
Operation Timeout : Settings > General Settings > Basic Settings > Operation Time Out (You can specify On or Off.)
Click OK.