Solution
Serial number (found on the label on the back side of the machine)
Caution
Checking the serial number from the operation panel
Select ⋖Status Monitor⋗ () ⋖Device Information⋗/⋖Device Status⋗ ⋖Serial Number⋗.
Content Id: 8203889000
Serial number (found on the label on the back side of the machine)
Checking the serial number from the operation panel