Phaser 6280 Color Laser Printer Service Manual 5-15
Print-Quality Troubleshooting
Contamination Check
This test print provides prints that can be checked for any regular lines or
toner spots when encountering print-quality problems. From the difference in
the interval of regular lines or spots, you can determine the parts that have
caused the issues. Compare the print with the following chart to determine the
problem.
â– Pages 1 to 4: Prints the scale patterns in vertical and horizontal
directions for evaluating regularity and intervals.
â– Page 5: Prints the list of intervals by component fault.
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