when printed text is overlapping.
e.g. 1
if the report has a label with the text "this is some text. and this is some more"
it prints out as "this is some tex#nd this is some more" where the # is the last "t" in "text" and the "a" in "and" overlapping.
e.g. 2
a series of dots ...................................................
when printed isn't uniformly spaced