converting a continuous tone to dots for printing

right-reading sheets with the head on top that, when duplexed, heads run together on the front and back of sheet; the back sheet is right-side up

right reading sheets with head on top, that, when duplexed, heads run opposite on front and back of sheet. The back sheet is upside down

head-to-head (see head-to-head definition)

reoccurring unplanned spots that appear in the printed image from dust, lint, dried ink

the lightest areas in a picture or halftone

head-to-toe (see head-to-toe definition)