Image Quality (IQ) Troubleshooting
This section helps you locate and resolve image quality (IQ) defects.
Initial Actions
Perform these actions first to improve image quality:
• Manage the Stock Library for the media in use. Refer to Stock Library Manager Help
for “Editing an Existing Stock in the Stock Library.”
• Run print samples and evaluate the defect. From the following table, determine which
problem description matches the image quality defect and perform the appropriate
suggested solution.
Problem
Contamination on the back of prints
General contamination on backs of prints, or a specific toner-streak defect of 10–15 mm wide
running from long-edge / trail-edge (LE/TE), near the outboard side of the print.
Suggested Solutions
• Contamination can be media related.
- Look for paper damage, paper dust, or environmental conditions that may contribute.
- Ensure the media is fresh and properly loaded in the tray.
• Defects occur on heavyweight stock with lightweight stock settings. Manage the Stock
Library for the media in use. Refer to Stock Library Manager Help for “Editing an Existing
Stock in the Stock Library.”
• Perform the Clean Fuser Assembly procedure. If the defect is the specific streak on the back
of prints, there may be a secondary-bias transfer roll (2
nd
BTR) failure. Contact the Customer
Support Center for service if the problem continues.
Problem
Banding on Prints
The print shows lines or bands running from the inboard-to-outboard (IB/OB) direction (side-
to-side direction).
Note
For defects running from the lead-edge to trail-edge (LE/TE) direction, refer to Streaks or Lines
on Prints.
Suggested Solutions
Measure the frequency of the spot intervals.
7-7Xerox
®
Versant
®
3100 Press
User Guide
Troubleshooting
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