HP Officejet Pro L7380 All-in-One Printer - Manual (Page 168)

Check the media type
Some types of media do not accept ink well. For these types of media, ink will dry
more slowly and smearing may occur. For more information, see
Select print media .
Ink is not filling the text or graphics completely
Check the media type
Some media types are not suitable for use with the device. For more information, see
Select print media .
Check the printheads
Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any
problem areas, and perform the recommended actions. For more information, see
To
print the print quality diagnostic page .
Output is faded or dull colored
Check the print mode
The Draft or Fast mode in the printer driver allows you to print at a faster rate, which is
good for printing drafts. To get better results, select Normal or Best. For more
information, see
Change print settings .
Check the paper type setting
When printing on transparencies or other special media, select the corresponding
media type in the print driver. For more information, see
To print on special or custom-
sized media (Windows) .
Colors are printing as black and white
Check the print settings
Make sure Print in Grayscale is not selected in the printer driver.
Wrong colors are printing
Check the print settings
Make sure Print in Grayscale is not selected in the printer driver.
Check the printheads
Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any
problem areas, and perform the recommended actions. For more information, see
To
print the print quality diagnostic page .
Chapter 10
164 Maintain and troubleshoot