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Repair Analysis Procedures (RAPs)
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Xerox DocuPrint N17 Service Manual
7.5.4 Non-Uniform Image Quality
Definition
The line darkness and solid area density image varies across the print.
NOTE: If the problem has not been resolved after completing this RAP, go to RAP 7.5.7 Vertical Band
Initial Actions
•
Remove the EP Cartridge and gently rock it back and forth to distribute toner evenly in
cartridge. Reinstall the cartridge.
•
Ensure the grounding pin on the EP Cartridge is in proper contact with the Earth Plate
Assembly.
Procedure
1 Generate five prints of the System Controller Test Pattern from Tray 1. Image Quality varies from
inboard to outboard.
Y: Go to step 3.
N: Go to step 2.
2 Image quality varies from lead edge to trail edge.
Y: Replace the HVPS.
N: Return to
RAP 7.5.1 Image Quality Entry Flowchart.
3 Do the following:
•
Inspect the Bias Transfer Roll for contamination. Clean or replace the EP Cartridge.
•
Inspect the Photoreceptor for deterioration and/or contamination. Replace the EP Cartridge.
•
Check for laser beam obstructions such as dust or lint fibers between the Laser Assembly
and the EP Cartridge.
•
Perform the procedure for Light Prints,
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Содержание DocuPrint N17
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