HP 8000 s manual Weights and Sizes for Input Trays in chapter

Problem	Cause and Solution
Vertical bands or very	Vertical colored bands or dark black or brown
dark background	backgrounds appear on the page. If the problem
	persists after printing 10 pages, contact a local
	authorized HP dealer or service representative for
	service.
	The new imaging drum might have a temporary
	charging problem. Print several configuration pages to
	clear the drum.
Faded print, or random	A toner cartridge is running out of toner. Check for a
faded areas	TONER LOW REPLACE <Color> or TONER OUT REPLACE
	<Color> message on the printer control panel. Replace
	the toner cartridge indicated on the display.
	The media does not meet the specifications for this
	printer. For media specifications, see “Supported Media
	Weights and Sizes for Input Trays” in chapter 3.
	The moisture content of the media is uneven or too
	high. Try media from a different source or from an
	unopened ream of media.
	If you are trying to duplex on paper heavier than 28 lb
	(105 g/m2) bond, at your computer select Heavy or
	Cardstock as the media type in the printer driver. Print
	side one of your document from tray 1. To print side
	two, at your computer select Manually Print on 2nd
	Side in the printer driver. Then, using tray 1 again, turn
	the page over and print.
	Note:
	If you use the Manually Print on 2nd Side setting
	when you are not printing on the second side of heavy
	media, you might see sharp, inconsistent patches of
	color on your output.
	Some areas of some media might reject toner. Try
	media from a different source or from an unopened
	ream of media.
	Your media is excessively rough. Change to a smooth
	xerographic paper. For media specifications, see
	“Supported Media Weights and Sizes for Input Trays” in
	chapter 3.

190 8 Solving Printer Problems EN