HP LaserJet Pro 500 Color MFP M570 - Manual (Page 21)

Serial number and model number location
The model number and serial number are listed on an identification label located on the back of the product.
They are also listed on the inside of the front door. The serial number contains information about the
country/region of origin, the product version, production code, and the production number of the product.
Model name Model number
M570dn CZ271A
M570dw CZ272A
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