HP P2015 Service Manual - Page 189

Troubleshooting tools and reference diagrams Repetitive image defects If the printer output has a consistent, repetitive defect, then use Table 7-6 Repetitive image defects on page 179 to determine which part needs to be replaced based on the measured distance between the repetitions of the defect. Table 7-6 Repetitive image defects Distance between identical Dirty or damaged roller defects 37.7 mm (1.48 inches) 43.0 mm (1.69 inches) Primary charging roller Registration roller 44.0 mm (1.73 inches) 46.2 mm (1.82 inches) 56.5 mm (2.22 inches) Developing cylinder Transfer roller Fuser film 69.0 mm (2.72 inches) 75.4 mm (2.97 inches) Pressure roller Photosensitive drum Solution Replace the print cartridge. Replace the registration assembly. Replace the print cartridge. Replace the transfer roller. Replace the fuser. Replace the fuser. Replace the print cartridge. ENWW Troubleshooting tools and reference diagrams 179