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

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216 Phaser 5400 Laser Printer Service Guide
6 FUSER INSPECTION
1. Open the Exit Assembly.
Warning: If the printer has been powered ON,
the Fuser will be hot. Use extreme care
when handling the Fuser.
2. Remove the Fuser Assembly.
3. Turn the Fuser Assembly upside down.
4. Rotate the fuser idler gear manually and inspect the
Heat Roller.
5. Turn the Fuser Assembly right side up.
6. Open the fuse jam access cover.
7. Rotate the fuser idler gear manually and inspect the
Pressure Roller.
Are the Heat and Pressure Rollers free of
scratches (damage) and contamination?
Go to
Step 7. Replace the
Fuser
Assembly
[RRP 5.1,
page 288 ].
7
“YES” FROM STEP 6 ABOVE
1. Open the fuser jam access cover.
2. Rotate the fuser idler gear manually and inspect the
contact between the Heat Roller and the Pressure
Roller along the rotation.
Do the Heat and Pressure Rollers contact each
other uniformly?
Go to
Step 8. Replace the
Fuser
Assembly
[RRP 5.1,
page 288 ].
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 ]
■
LVPS [RRP 8.6, page 312 ]
Table 117 Unfused Image Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No