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Original Prusa Serial Number

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Last updated 15 days ago
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Every Original Prusa printer has a unique serial number assigned to it. This is found on a silver sticker on every machine and is also hardcoded to the main controller board. Serial numbers issued before November 2021 start with "CZPX", while after November 2021 we introduced a new format starting with "SN". All serials are registered in our internal database and they allow us to confirm your printer as genuine.

For some printer models, placing the serial sticker on the frame is part of the assembly process!
The best way to reference your printer is the order number you received when purchasing the printer. This can be found on the invoice or in your order-history in the eshop.

Original Prusa MK-series 

A label can be found on the back of the frame above the PSU, or on the rear plate of the printer.
 
Original Prusa MK-series until 2022Original Prusa MK-series from 2023

Original Prusa MINI & MINI+

A label is found on the Z-axis extrusion (circled in red), on the right side.
 
 

Original Prusa XL

A label is found on the back of the printer, near the power plug connection.

Original Prusa SL1 & SL1S

A label is found on the back (circled in red), in the bottom left. 
 
 

Hardcoded serial number

This requires a special application and commands, dependent on the printer, to extract. Nothing proprietary, but the procedure is rather advanced. If you really need to get the serial number this way, please email Customer support. 
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