8
Parts and Diagrams
How To Use the Parts Lists
The figures in this chapter illustrate the major subassemblies
and component parts of the HP LaserJet 4/4M, LaserJet 4 Plus/
4M Plus, and LaserJet 5/5M/5N printers. When ordering an
electrical part, pay special attention that the part chosen has the
correct voltage rating for the machine under repair.
Part numbers with no indicator in the Notes column are stocked
and can be ordered through Hewlett-Packard’s Support Materials
Organization (SMO). Parts marked with an S in the Notes column
are special order parts which can be ordered through SMO but
may have an eight-week lead time.
An alphanumeric index referencing all part numbers is included
at the end of this chapter (see Parts List, page 8-40).
Note
Not all parts are orderable. The parts listed are
the only orderable parts. Parts that have no
reference designator or part number are not
field-replaceable and cannot be ordered through
SMO.
Figures referred to in the tables are placed before the table
throughout the chapter.
Accessory Parts are listed on 8-33. This list includes such items
as the MIO and SIMM cards.
Parts and Diagrams 8-1