HP LaserJet 3020 All-in-One Printer - Manual (Page 128)

Copy defects are apparent
Vertical white or faded stripes
● The media might not meet Hewlett-Packard media specifications (for example, the media
is too moist or too rough). See
Device media specifications for more information.
● The toner might be low. See the start guide for information about installing a print
cartridge.
Blank pages
● The original might have been loaded upside down. In the automatic document feeder
(ADF), load the original with the narrow side forward and the side to be scanned facing
up. See
Loading originals to copy for instructions.
● If blank pages are printing when you scan from the flatbed scanner, make sure that the
original document is loaded correctly. Place the original document face-down on the
flatbed scanner with the upper-left corner of the document at the lower-right corner of the
glass.
● The media might not meet Hewlett-Packard media specifications (for example, the media
is too moist or too rough). See
Device media specifications for more information.
● The toner might be out. See the start guide for information about installing a print
cartridge.
● The tape might not have been removed from the print cartridge. See the start guide for
information about installing a print cartridge.
Wrong original was copied
● Make sure that the automatic document feeder (ADF) is empty.
Too light or dark
● Try adjusting the settings.
● Make sure that the copy-quality settings are correct. See Adjusting the copy quality for
more information.
118 Chapter 8 Troubleshooting ENWW