Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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134 Phaser 5400 Laser Printer Service Guide
6 “YES” FROM STEP 5 ABOVE
1. Reconnect P/J171, P/J172 and P/J17.
2. Switch printer power ON.
3. Measure the voltage between J17-2 on the Print
Engine Controller Board and frame ground.
Does the voltage m3.3 VDC?
Replace the
Fuser Board
[RRP 8-8,
page 314 ]. If
problem
persists,
replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
Step 7.
7 “NO” FROM STEP 6 ABOVE
Measure the voltage between P/J16-4 on the Print
Engine Controller Board and frame ground.
Does this voltage m3.3 VDC?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 .
Replace the
LVPS
[RRP 8.6,
page 312 ].
8
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, page 288 ]
■
Print Engine Controller Board [RRP 8.5, page 310 ]
■
Fuser Board [RRP 8-8, page 314 ]
■
LVPS Power Supply [RRP 8.6, page 312 ]
■
Fuser Interlock Switch [PL 9.2, page 406 ]
■
Harness Assembly [PL 9.2, page 406 ]
Figure 17 Fuser Connector P174
Table 78 Fuser Assembly Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No