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Identification
HP's Product Stewardship program monitors product design to help protect the environment.
Model and serial numbers
The model number and serial numbers are listed on identification labels located on the rear
of the printer. The model number is alphanumeric, such as Q5990A for the HP Color
LaserJet 3550 printer. The serial number contains information about the country/region of
origin, the printer version, production code, and the production number of the printer (see
Figure 1-11. Serial number information).
Figure 1-11.
Serial number information
Table 1-12. Model names and numbers
Model name Model number
HP Color LaserJet 3500 Q1319A
HP Color LaserJet 3500n Q1320A
HP Color LaserJet 3550 Q5990A
HP Color LaserJet 3550n Q5991A
HP Color LaserJet 3700 Q1321A
HP Color LaserJet 3700n Q1322A
HP Color LaserJet 3700dn Q1323A
HP Color LaserJet 3700dtn Q1324A
Power and regulatory information
The identification label on the rear of the printer also contains power rating and regulatory
information as shown in
Figure 1-12. Sample label.
22 Chapter 1 Printer description ENWW