Where is the serial number located on my MF640 series multifunction printer?
Article ID: FAQ100520 | Date published: 04/03/2020 | Date last updated: 03/22/2023


The serial number can be found on the label on the back side of the machine.

The serial number is a a number followed by two letters and five more numbers numbers. It is located on the bottom left side of the label when viewed from the back of the machine. It is beneath the bar code and to the right of "No.".