You can check the serial number of the machine using the control panel or Web Image Monitor.
On the Home screen, press [Settings].

Press [Inquiry].

Check the serial number (an alphanumeric character string) next to Serial Number of Machine.

Press [Close].
Press [Home] (
).
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Launch the Web browser.
Enter "http://(IP address of the machine or host name)/" on the address bar of the Web browser, and then press the Enter key.
Accessing to Web Image Monitor
Click [Device Info] on the [Status/Information] menu.

In the "System" category, check the serial number (an alphanumeric character string) next to "Machine ID".
Click [Back].
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