HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 195)

194 8 Solving Printer Problems EN
(Dull or dark colors on
transparencies,
continued) Verify that the printer is operating in an environment
consistent with the specifications listed appendix
B .
Rippled or wavy
transparencies You are using a transparency that is outside the
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
transparencies You are using a transparency that is outside the
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.
Problem Cause and Solution