Table 77 Laser Assembly Troubleshooting Procedure - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

Table 77 Laser Assembly Troubleshooting Procedure (cont'd.)
Step Actions and Questions
14 LASER ASSEMBLY REPLACEMENT
Replace the Laser Assembly [RRP 7.1,
Does the problem still appear?
15 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
Laser Assembly [RRP 7.1,
I
Print Engine Controller Board [RRP 8.5,
I
Harness Assembly [PL 9.2,
I
LVPS Power Supply [RRP 8.6,
I
CRUM PWB [RRP 3.7,
I
132
page
page 297]
page
page 406]
page 312]
page 281]
Phaser 5400 Laser Printer Service Guide
Yes
Go to
Electrical
297].
Noise,
page 157.
310]
No
Problem
solved.