HP 6700 - Manual (Page 95)

6700 6700
If defects are seen on the Print Quality Diagnostic report, follow the steps below:
1. If the lines in Test Pattern 1 are not straight and connected, align the printer. For
more information, see Align the printhead.
2. If you see white lines in any of the color blocks in Test Pattern 2, clean the
printhead. For more information, see Clean the printhead.
3. If you see white or dark lines where the arrows are pointing in Test Pattern 3, align
the printer. For more information, see Align the printhead.
Cause: Print quality problems can have many causes: software settings, a poor
image file, or the printing system itself. If you are unhappy with the quality of your
Print quality troubleshooting 91