Offset printing technology | Offset lithography

Offset printing technology is preferred method for printing materials providing lower per-unit costs with the quality for larger print runs.

offset plates

color saturation — Problem:Solids appear to lack density Cause: Improper ink/water balance Improper concentration of fountain solution Non-uniform dampening Loss of image area Improperly set form rollers Solution: Adjust to proper ink/water balance Adjust fountain solution to proper pH/conductivity (pH 4.0-4.5) Clean brushes, flicker blades, etc; replace if necessary Adjust form rollers to […]

Color Too Weak

07/10/2011 in troubleshooting tagged cmyk rollers / color saturation / offset plates / offset printing / offset printing technology by vlad682000

plate blinding or wear — Problem:Part or all of image on plate does not take ink. Cause: Fountain solution too acidic Excessive gum in fountain solution Plate cleaners and/or scratch removers have dried on plate image Fountain system contaminated by detergent Excessive fountain solution in ink Improperly developed plates; gum adheres to image area […]

Plate Blinding Chemical

07/10/2011 in troubleshooting tagged offset plates / offset printing / offset printing inks / offset printing technology / plate blinding chemical by vlad682000