C7085-90921 Chapter 8 Parts and diagrams 329
Illustrations and parts lists
The following illustrations and parts tables list the field replaceable units (FRU) for this printer. At the
end of this chapter are two tables of all of the parts shown in this chapter: Table 8-18 lists the parts in
alphabetical order, and table 8-19 lists the parts in numerical order by part number. Both tables list
the appropriate figure in this chapter where the part can be found.
Determining the printer version
Two versions of the HP Color LaserJet 4500 series printer are available. To accurately perform
removal and replacement procedures or determine the correct part for reordering, you will need to
know the version of the printer that is being serviced. To identify the printer, check the serial number,
which is located at the rear of the printer. All printers will have US or JP in the first two positions of the
serial number (e.g., USBB123456). Newer versions of the HP Color LaserJet 4500 printer will have
an “H” or higher letter in the third position (e.g., USHB123456). If the letter in the third position in the
serial number is “B”, “C”,”D”, or “F”, then you have an older version of the HP Color LaserJet 4500
printer. The HP Color LaserJet 4550 series printer is equivalent to the newer version of the HP Color
LaserJet 4500 series printer, unless otherwise noted, although it does have some different service
parts from the 4500 series.
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