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Laser printer print defects - Repetitive defects

Problem Possible CauseSolution
Repetitive defects Defective toner cartridge
Perform a half-way test. Replace the toner cartridge if necessary.
Repetitive defects Defective fuser
Perform a half-way test. Replace the fuser if necessary.
Repetitive defects There are a variety of causes for repetitive defects. Check the repetitive defects ruler.
See repetitive defect ruler.