Where is the serial number on my LBP122dw series printer?
Article ID: FAQ100673 | Date published: 03/17/2023 | Date last updated: 03/17/2023


The serial number is located on the back of the machine. It's next to "No." and consists of a 4 letter prefix followed by six numbers.

The serial number can also be viewed from the control panel. 
Press Satus Monitor, select DeviceInformation/Device Status  and then select Serial Number.