Repeating Defect Measurement - Xerox Phaser 6130 Service Manual

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Repeating Defect Measurement

Phaser 6130 Color Laser Printer Service Manual

Horizontal lines and/or spots that occur

periodically are usually caused by one of

the printer's many rollers. However, the

interval does not necessarily match the

circumference of the roller. Compare the

print defect intervals on the test print with

the gauges on the Pitch Chart that can be

printed from the diagnostics in Service

Mode. The problem may be solved easily

by the check.

To print the Pitch Chart, print the

Contamination Check test prints:

Mode > Test Print > Contamination

Exit Pinch Roller

Imaging Unit

Print-Quality Troubleshooting

Transfer Unit

Drive Roller