HP Color LaserJet CM4730 Multifunction Printer series - Manual (Page 302)

1 First occurrence of the defect (the distance from the top of the page to the defect) might vary.
2 Black print cartridge 34.3 mm (1.35 inches)
3 Print cartridge or transfer roller (if the defect occurs in only one color, the defective part is the print cartridge; if the defect
occurs in all colors, the defective part is the ETB) 37.7 mm (1.48 inches)
4 Cyan, magenta, and yellow print cartridges 38.5 mm (1.52 inches)
5 Print cartridge 42.7 mm (1.68 inches)
6 ETB 75 mm (2.95 inches)
7 Fuser 76.0 mm (2.99 inches)
8 Fuser 81.0 mm (3.19 inches)
9 Print cartridge 94.2 mm (3.71 inches)
To identify if the print cartridge is the problem, insert a print cartridge from another HP Color LaserJet
CM4730 MFP series, if one is available, before ordering a new print cartridge.
If the defect repeats at 94.0 mm (3.75 inch) intervals, try replacing the print cartridge before replacing
the fuser.
286 Chapter 16 Problem solving ENWW