User Guide

516 Chapter 8 - Parts and diagrams EN
Illustrations and parts lists
The following illustrations and their assorted parts tables list the field
replaceable units (FRUs) for this printer. At the end of this chapter are
two cross-reference tables of all of the parts listed in this chapter:
table 91 on page 574 lists the parts in numerical order by part
number, and table 92 on page 587 lists the parts in alphabetical order.
Both tables are cross-referenced to the appropriate figure and
reference number in this chapter.
Compatible parts
The table below lists parts that have changed from HP Color LaserJet
8500 printers to HP Color LaserJet 8550 printers. These parts are
forward and backward compatible. Formatters, however, are not
interchangeable between models of printers.
XA9-0836-000CN Screw, TP, M3 x 6, quantity=10
XA9-0926-000CN Screw, TP, M4 x 8, quantity=10
XA9-0940-000CN Screw, w/washer, M4 x 12, quantity=4
XA9-0951-000CN Screw, w/washer, M3 x 8, quantity=10
Table 57. Miscellaneous parts (continued)
Part number Description
Part HP CLJ 8500 part # HP CLJ 8550 part #
PCA, controller board RG5-3037-000CN RG5-3037-120CN
Developer/imaging drum
bias supply
RG5-3026-000CN RG5-3026-030CN
High-voltage power
supply
RG5-3943-000CN RG5-3943-000CN
Density sensor
assembly
RG5-3057-000CN RG5-3057-000CN
PCA, carousel motor
(M1)
RG5-3084-000CN RG5-3084-020CN