Mini:

Printed a test print fine

Mini #2: 

Had to take print head apart to remove a clog.  After putting it back together it printing a test print fine

Prusa:   

Printed a test print fine

Taz 3:   

Had to take nozzle apart to clear a jam.  It turned out the jam was just in the very tip.  Was able to clean it out with the pick while hot.  Just burned myself a couple times.  Pushing a line of ABS got the final jam out and now it is printing fine again.

Taz 5:   

Printed a test print fine.