HP Enterprise CP5525 manual Print quality troubleshooting tools, Repetitive image-defect ruler

Print quality troubleshooting tools

Repetitive image-defect ruler

Use a ruler to measure occurrences of repetitive image defects to help solve image quality problems. Place the ruler next to the first occurrence of the defect on the page. Find the distance between identical defects and use the figure below to identify the component that is causing the defect.

NOTE: When printing this defect ruler, verify that any scaling options in the printer driver are disabled.

0 mm

	35 mm
	42 mm
	50 mm
	60 mm
79 mm	76 mm
	80 mm
	94 mm
Distance between defects		Product components that cause the defect
35 mm		Print cartridge (primary charging roller)
42 mm		Print cartridge (developer roller)
50 mm		Print engine (primary transfer roller)
60 mm		Print engine (secondary transfer roller)
76 mm		Fuser (fuser film)
79 mm		Fuser (pressure roller)
94 mm		Print cartridge (OPC)

ENWW Tools for troubleshooting 355