Trouble Shooting

Step	Cause	Solution	Parts
1	Dirt on the paper path.	Wipe the dirt off. Refer to < The Spacing of Various Rollers in the Image >Table (see below).
3	Dirt on the pressure roller.	Replace fuser.	Fuser (015-0301-0)
4	HVPS (High-Voltage Power Supply) defective.	Replace HVPS.	HVPS (005-3141-9-SP)

The spacing of various rollers in the image

Periodic image defects can be caused by defects in various rollers. Refer to the table below to determine the cause of the defect based on the diameter of the various rollers or the spacing in the image.

The name of the part	The spacing in the image
Pickup roller (manual tray)	97.38 mm
Transfer roller (drum unit)	56.54 mm
Drum unit roller (drum unit)	94.2 mm
Heating roller (fuser)	81.68 mm
Pressure roller (fuser)	94.2 mm
Develop roller (develop unit)	49.0 mm
Regulation roller (develop unit)	143.0mm
Supply roller	36.0mm