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

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182 Phaser 5400 Laser Printer Service Guide
4 PRINT CARTRIDGE REPLACEMENT
1. Install a new Print Cartridge.
2. Run a test print.
Is there a normal image on the paper?
Problem
solved. Go to
Step 5.
5 METAL CONTACT INSPECTION
1. Remove the Print Cartridge.
2. Inspect the metal contacts on the rear end of the Right
Print Cartridge Guide.
Are the metal contacts intact and free of
contamination?
Go to
Step 6. Reform or
clean the
metal
contacts so
that they
make better
contact with
the Print
Cartridge, or
replace the
Right Print
Cartridge
Guide
[RRP 7.2,
page 299 ].
6 “YES” FROM STEP 5 ABOVE
Check for continuity between the metal contacts and the
printer frame.
Is there continuity between the metal contact and
the printer frame?
Go to
Step 7. Replace the
Right Print
Cartridge
Guide
[RRP 7.2,
page 299 ].
7 BIAS TRANSFER ROLLER INSPECTION
Inspect the Bias Transfer Roller (BTR).
Is the BTR intact and free of contamination?
Go to
Step 8. Replace the
BTR
Assembly
[RRP 7.6,
page 304 ].
8 “YES” FROM STEP 7 ABOVE
1. Generate a Test Print and switch printer power OFF
halfway through the print cycle.
2. Carefully remove the Print Cartridge and inspect the
toner image on the drum just before the transfer area
(BTR).
Is the image remaining on the drum completely
developed, with sharp, black easily read area?
Go to
Step 9. Go to
RAP 59,
page 153 .
9 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.
■
HVPS Board [RRP 8.2, page 307 ]
■
Laser Assembly [RRP 7.1, page 297 ]
■
BTR Assembly [RRP 7.6, page 304 ]
■
Print Engine Controller Board [RRP 8.5, page 310 ]
■
LVPS Assembly [RRP 8.6, page 312 ]
■
Right Print Cartridge Guide [RRP 7.2, page 299 ]
■
Wiring and connectors linking the components
Table 102 Blank Prints Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No