HP LaserJet Enterprise P3015 HP LaserJet P3010 Series - User Guide - Page 200

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 38 mm 43.6 mm 50 mm 76 mm 79 mm 95 mm Distance between defects 38 mm 43.6 mm 50 mm 76 mm 79 mm 95 mm Product components that cause the defect Print cartridge Print engine Print cartridge Fuser Fuser Print cartridge 188 Chapter 10 Solve problems ENWW