Identification 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 C4084A for the HP Color LaserJet 4500. The serial number contains information about the country of origin, the printer version, production code, and the production number of the printer (see Figure 1-3). For information on determining the version of printer you are servicing, see page 140.
printer version country of origin production code production number Figure 1-3 Model and Serial number information Table 1-2 Model names and numbers Note Two versions of the HP Color LaserJet 4500 series printers are available. Before servicing the printer or ordering parts, you will need to identify which printer version you are servicing. For more information, see page 140. The HP Color LaserJet 4550 series printer, unless otherwise specified, is equivalent to the later version of the HP Color LaserJet 4500 series printer.
18 Printer description C7085-90921 Model Name Model Number HP Color LaserJet 4500 C4084A HP Color LaserJet 4500 N C4089A HP Color LaserJet 4500 DN C4094A HP Color LaserJet 4550 C7085A HP Color LaserJet 4550N C7086A HP Color LaserJet 4550DN C7087A HP Color LaserJet 4550HDN C7088A