Table 53 Error Code U4: Fuser Failure Troubleshooting Procedure; Rap 49 - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 32 Error Code U4:
There is a problem with the Fuser Assembly.
Table 53 Error Code U4: Fuser Failure Troubleshooting Procedure
Step Actions and Questions
1 POWER OFF / ON
1. Switch the printer power OFF.
2. Wait a few minutes, then switch the printer power ON.
Does the error code reappear?
TEST PRINT VERIFICATION
2
1. Enter Diagnostics mode.
2. From the Main Menu, select Test Print / Print Pattern /
press [4] to start printing test pages, [0] to stop.
3. Run 20 to 30 test pages.
Does the Fuser Failure error code reappear?
3 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.
Fuser Assembly [RRP 5.1,
I
Wiring and connectors linking the components
I
100
Fuser Failure
Power Off / On
page 288]
Phaser 5400 Laser Printer Service Guide
Yes No
Go to Go to

RAP 49,

Step 2.
page 133.
Go to Problem
RAP 49, solved.
page 133.