Konica Minolta magicolor 1690MF Reference Manual page 252

Initialize
The System - Maintenance - Initialize window allows you to reset the
machine settings to their factory defaults.
Item
Network Setting
All
Clear button
Configuring the Machine for Administrator Mode
Description
Resets the network settings to their defaults.
Resets all settings to their defaults.
When clicked, the message "Do you really want to return
the settings to the factory default?" appears. Click Yes to
automatically restart the machine and return the settings
to their default values.
7-31