Table | Repetitive Defects | |
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Possible Cause | Action | |
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Toner Cartridge. The circumference of | Replace the Toner Cartridge. | |
the photoconductive drum is 3.75 inches |
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(94mm). The circumference of the |
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developer roller is 2 inches (51mm). If a |
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defect appears in the print image at |
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these intervals, assume the defect is |
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associated with the Toner Cartridge. |
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Fuser Assembly. The Fuser Roller’s | Clean the Fuser Assembly rollers. | |
circumference is approximately | Replace the assembly if necessary. | |
2.5 inches (63mm) for the LJ4, and |
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(79mm) for the LJ4+/5. If a defect |
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appears at this interval, assume the |
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defect is associated with the Fuser |
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Assembly. |
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Dirty Roller. Any dirty roller along the | Examine and clean rollers along the | |
paper path may result in a pattern of | paper path. | |
repetitive print image defects. |
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For further information on interval dimensions, refer to the Repetitive Defect Ruler, Figure
Troubleshooting