HP CM6049F MFP - Manual (Page 25)

Serial number and model number location
The model number and serial number are listed on identification labels located on the rear of the printer.
The serial number contains information about the country/region of origin, the printer version, production
code, and the production number of the printer.
Model name Model number
HP Color LaserJet CM6049f MFP CE799A
ENWW Product walkaround 9