HP 8000 s manual There is a wave or ripple in the background when

Problem	Cause and Solution
(Dull or dark colors on	Verify that the printer is operating in an environment
transparencies,	consistent with the specifications listed appendix B.
continued)
Rippled or wavy	You are using a transparency that is outside the
transparencies	specifications for this printer. Use HP brand
	transparencies to produce the best image quality for the
	printer. For media specifications, see “Supported Media
	Weights and Sizes for Input Trays” in chapter 3.
	There is a wave or ripple in the background when
	printing a solid color. Choose a background pattern that
	uses less toner.
	The paper path you are using might be rippling or
	waving the page. Change the paper path by printing
	from a different input tray to a different output bin.
Horizontal streaks on	You are using a transparency that is outside the
transparencies	specifications for this printer. Use HP brand
	transparencies to produce the best image quality for the
	printer. For media specifications, see “Supported Media
	Weights and Sizes for Input Trays” in chapter 3.
	Reflective overhead projectors reflect light through the
	transparency twice, causing excessive light scattering
	and producing colors that appear dark or dull on the
	screen. If you are using a reflective overhead projector
	(usually a portable overhead projector), use a standard
	overhead projector, if available.

194 8 Solving Printer Problems EN