5-6 Phaser 7500 Printer Service Manual
Print-Quality Troubleshooting
Analyzing the Test Pattern
1. Color Registration (Horizontal): The colored lines should match as shown as
the illustration below.
2. Color Registration (Vertical): The colored lines should match as shown as the
illustration below.
3. Uniform RGB: The secondary color squares should be uniformly colored with
no mottling.
4. Density: The color squares should have even density from top to bottom.
GoodGood
Bad
Analyzing Test Pattern 1
Good
Good
Bad
Analyzing Test Pattern 2
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