Chapter 1 29
General Information
Serial Numbers and Repair Information
Serial Numbers and Repair Information
Hewlett-Packard makes frequent improvements to its products to
enhance performance, usability, or reliability. Hewlett-Packard service
personnel have access to complete records of design changes to each
type of equipment, based on the equipment serial number. Whenever
you contact Hewlett-Packard about a product, have the complete serial
number available to ensure obtaining the most complete and accurate
information possible.
The serial number label is usually attached to the rear of the product.
The serial number has two parts: the prefix (two letters and the first
four numbers), and the suffix (the last four numbers).
Figure 1-1 Serial Number Label Example
The two letters identify the country in which the unit was
manufactured. The four numbers of the prefix are a code identifying the
date of the last major design change incorporated in your
Hewlett-Packard product. The four-digit suffix is a sequential number
and, coupled with the prefix, provides a unique identification for each
unit produced. Whenever you list the serial number or refer to it in
obtaining information about your Hewlett-Packard product, be sure to
use the complete number, including the full prefix and the suffix.
Units which were produced before the serial number format was
changed may also be covered by this documentation. On earlier serial
number labels, the prefix consists of the first four numbers and a single
letter. The suffix is a five-digit sequential number.
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