Xerox 3450B Service Manual - Page 86

Fusing, Resolution, Print-Quality Troubleshooting

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Fusing Rub the image three times at the indicated points with a soft cloth or tissue. The toner should not lift off of the surface of the print. If the image smears or toner lifts off the image onto the cloth, refer to Unfused Image on page 5-10. Resolution Observe the three resolution check points on several test prints. ■ Ensure that the 2 pixel horizontal, vertical, and diagonal lines are clear and continuous. The diagonal lines might appear to be narrower than the others. ■ Characters in the text paragraphs should be uniform and equal in density. ■ The halftone patches should be uniform in appearance. If the image does not meet the criteria refer to Non-Uniform Image on page 5-8 or Character Defects on page 5-9. Print-Quality Troubleshooting 5-5

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Print-Quality Troubleshooting
5-5
Fusing
Rub the image three times at the indicated points with a soft cloth or tissue. The toner
should not lift off of the surface of the print. If the image smears or toner lifts off the
image onto the cloth, refer to Unfused Image on page 5-10.
Resolution
Observe the three resolution check points on several test prints.
■
Ensure that the 2 pixel horizontal, vertical, and diagonal lines are clear and
continuous. The diagonal lines might appear to be narrower than the others.
■
Characters in the text paragraphs should be uniform and equal in density.
■
The halftone patches should be uniform in appearance.
If the image does not meet the criteria refer to Non-Uniform Image on page 5-8 or
Character Defects on page 5-9.