: Turn the printer off using the main power switch (usually on the right side), wait 30 seconds, and turn it back on.
This is a "Hard Reset" commonly used by technicians. It clears the SRAM (Static RAM) which holds temporary settings and the admin password, but often preserves installed firmware. kyocera printer reset
System Menu → Device Settings → Reset → Factory Default → Enter admin password (default: 2500) : Turn the printer off using the main
This method uses the Command Prompt interface on the printer's screen (FS-1000, FS-4000, older TASKalfa models). wait 30 seconds
If these do not work, you may need to perform a hardware reset (see Level 3 or 4).