Calcium deposits on rollers

High severity

Symptoms

Rough whitish surface; roller 'rejects' ink; tinting

Probable causes

  • Paper carbonate dissolved by the fountain solution and recirculated
  • hard water

The Print Guy · 2026-10-05

Other problems in this category

Rollers · TPG-085

Hard or glazed rollers

Irregular transfer, streaks, misting; shiny smooth rubber

High severity

Rollers · TPG-086

Badly set stripes

Uneven contact bands; irregular inking, plate wear

High severity

Rollers · TPG-087

Deformed roller (out of round)

Vibration, periodic band once per roller revolution

Medium severity

Rollers · TPG-089

Dry or overheated roller ends

Inkless tips, dry bands at format edges

Low severity

Rollers · TPG-090

Roller slipping (not driven)

Band without transfer; squealing; accelerated wear

Medium severity

Rollers · TPG-091

Roller swelling from wrong wash

Increased diameter, altered pressures across the train

Medium severity
All Rollers problems (7) →

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