HP 4500 DN manual Repetitive defects, Fuser Life OUT Replace KIT

Uneven dark areas or lines in solid fill areas on transparencies

Problem	Solution
You are using transparencies that do not meet	Use only transparencies that meet the media
the media specifications for this printer.	specifications for this printer. See the Printing
	on Transparencies section of chapter 3
The imaging drum has exceeded its useful life.	Print out a configuration page to verify the
	remaining life of the imaging drum. If the
	printer control panel displays DRUM KIT OUT
	REPLACE DRUM KIT, replace the imaging
	drum.

.

Repetitive defects

Problem	Solution
Unwanted marks of the same size	Print out a configuration page to
and shape appear in the same	verify the remaining life of the
vertical area on most pages.	imaging drum. If the printer control
	panel displays DRUM KIT OUT
	REPLACE DRUM KIT, replace the
	imaging drum.
Unwanted marks of the same size	The fuser roller is damaged or the
and shape appear more than once	fuser is beyond its useful life. Print
in the same vertical area on	out a configuration page to verify the
transparencies or glossy media only.	remaining life of the fuser. If the
	printer control panel displays
	FUSER LIFE OUT REPLACE KIT,
	replace the fuser.
Repetitive defects appear only in	Check the corresponding toner
one color.	cartridge.

162 Solving Problems with the Printer EN