Black printing has streaks after multi-level cleaning, black cartridge replacement

[dmwgso]

I'm getting streaks for black printing in the print quality report.  I have tried first, second and third level cleaning with no improvements, and just replaced the HP black print cartridge with a new HP cartridge (962XL) and still have the problem. Is this a problem with the print head itself?  Just noticed this issue over the past few weeks.

[dmwgso]

I've gone back into HP Smart and run all of the utilities in the Print Quality toolbox and still have the same issue.  Here is a picture of the print quality diagnostic page.

[dmwgso]

Here's another printer quality report; the circled area shows the problem.  In normal printing, the issue shows up as a partially printed first character of a word,, and is most noticeable when the first character is a number.

black print issue diagnostic page 2