HP LaserJet 4550 series

18 Printer description C7085-90921
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.
Figure 1-3 Model and Serial number information
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.
country
of origin
printer version
production numbe
r
production code
Table 1-2 Model names and numbers
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