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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
M521dn A8P79A
M521dw A8P80A
ENWW
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