PRESS:
How-to for "ghost" busters

During printing, “ghosting” occurs when printing form elements other than the desired positive or negative ones duplicate themselves onto the printed surface. These “stencils” or “ghost images” can emerge from repeated passes of the ink form roller over the plate cylinder, and from a reduction or accumulation of ink. Hard-used or poorly adjusted ink rollers facilitate ghosting, and the tendency toward ghosting increases with weak pigment inks. An optimal balance between ink and dampening solution helps prevent ghosting, since too much water negatively influences printing outcomes. To avoid ghosting, use the following remedies: