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Troubleshooting Guide

This troubleshooting guide is a simple, easy-to-understand and efficient tool designed to resolve your printing problems. It will help you find solutions to most of your pressroom headaches. For more detailed information on any printing problem you encounter, please call technical support at 1-800-996-9918.

Problem subjects

  • Backing away
  • Misregister (Sheetfed)
  • Bleeding
  • Misregister (Web)
  • Blinding
  • Misting/Flying
  • Blistering/Cracking
  • MoirĂ© pattern
  • Blocking
  • Mottling
  • Chalking/Powdering
  • Multicolour ink trapping
  • Conductivity varies
  • Oxidation
  • Crystallization
  • Paper curling
  • Delamination of edges
  • Picking
  • Dot gain
  • Picture framing
  • Drying too fast
  • Piling
  • Drying too slow
  • Plate wear
  • Embossing
  • Poor ink transfer
  • Emulsification
  • Print density control
  • Fit problems
  • Railroad tracks
  • Glazing of rollers
  • Roller stripping
  • Gloss and chemical ghosting
  • Rub resistance
  • Hickeys
  • Scumming
  • Inadequate UV curing
  • Set-off/Blocking
  • Inconsistent colour reproduction
  • Slurring and doubling
  • Ink mileage
  • Snowflaky solids
  • Ink/Water balance
  • Streaks
  • Linting
  • Tinting
  • Low spot
  • Wash marks
  • Marking
  • Web breaks
  • Mechanical ghosting

Unigraph International Inc.
51 Beauvais Street, Delson (Quebec)  J5B 1W5 Canada

Tel.: 450-632-5871 / 800-998-9918 - Fax : 450-638-2161 / 800-366-8812 - service@unigraphinternational.com

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Unigraph International Inc. 2008