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Repetitive defects ruler
If defects repeat at regular intervals on the page, use this ruler to identify the cause of the defect. Place
the top of the ruler at the first defect. The marking that is beside the next occurrence of the defect
indicates which component needs to be replaced.
Figure 10-1 Repetitive defects ruler
0 mm
95 mm
79 mm
76 mm
50 mm
43.6 mm
38 mm
Distance between defects Product components that cause the defect
38 mm Print cartridge
43.6 mm Print engine
50 mm Print cartridge
76 mm Fuser
79 mm Fuser
95 mm Print cartridge
188 Chapter 10 Solve problems ENWW