Troubleshooting tools
If the printer output has a consistent, repetitive defect, then use the following ruler to predict which part
needs to be replaced based on the measured distance between the repetitions of the defect.
Repetitive-image-defect ruler
First occurrence of print defect (0.00 inches)
Transfer roller 46.3 mm (1.82 inches)
Print cartridge 37.7 mm (1.48 inches)
Print cartridge 32.0 mm (1.26 inches)
Paper-pickup assembly 55.2 mm (2.17 inches)
Fuser (fixing assembly) 56.5 mm (2.22 inches)
Fuser (fixing assembly) 41.0 mm (1.61 inches)
Print cartridge 76.3 mm (3.00 inches)
Figure 6-7 Repetitive-image-defect ruler
ENWW Troubleshooting tools 129
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