HP Officejet Pro L7380 All-in-One Printer - Manual (Page 173)

• Black dots or streaks
Ink, glue, correction fluid, or an unwanted substance might be on the scanner
glass or ADF lid backing. Try cleaning the device. See
Clean the device for more
information.
• Unclear text
•
Try adjusting the contrast and copy-quality settings.
• The default enhancement setting might not be suitable for the job. Check the
setting and change it to enhance text or photographs, if needed. For more
information, see
Change the copy settings .
• Incompletely filled text or graphics
Try adjusting the contrast and copy-quality settings.
• Copy is slanted or skewed
•
Make sure that the ADF input tray is not too full.
• Make sure that the ADF width adjusters are snug against the sides of the media.
• Large, black typefaces look splotchy (not smooth)
The default enhancement setting might not be suitable for the job. Check the
setting and change it to enhance text or photographs, if needed. For more
information, see
Change the copy settings .
• Horizontal grainy or white bands in light-gray to medium-gray areas
The default enhancement setting might not be suitable for the job. Check the
setting and change it to enhance text or photographs, if needed. For more
information, see
Change the copy settings .
Error messages appear
“Reload document and then reload job”
Press the OK button, and then reload the remaining documents (up to 50 pages) in
the ADF. For more information see
Load media .
The device prints half a page, then ejects the paper
Check the ink cartridges
The ink cartridges may have run out of ink, and the print job was cancelled. Replace
the ink cartridges, and then resend the print job to the device. For more information,
see
Replace the ink cartridges .
Solve scan problems
If the following topics do not help, see Support and warranty for information about HP
support.
NOTE: If you are starting the scan from a computer, see the software Help for
troubleshooting information.
Solve scan problems 169