Different behavior of GC1 vs GC2 (choice and setup)
Medium severitySymptoms
Same job prints differently when switching between GC1 and GC2; color or finishing complaints
Probable causes
- GC1 (white lightly coated back) and GC2 (uncoated cream back) are not interchangeable: back side, whiteness and stiffness differ
- quoted one, bought the other
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The Print Guy · 2026-10-05
Other problems in this category
Substrates GC/Bond/Coated · TPG-109
Mottling in solids on GC board
Cloudy, mottled solids, especially midtones and color masses on GC1/GC2
Substrates GC/Bond/Coated · TPG-110
Printing the uncoated back of GC2
Back-side text and images come out plugged, dull or with high gain
Substrates GC/Bond/Coated · TPG-111
Lightweight bond: show-through / strike-through
Print on one side visible or struck through to the other; illegible two-sided work
Substrates GC/Bond/Coated · TPG-114
Gloss coated: scratching and marking in handling and finishing
Glossy or dull scratches visible on dark solids when handling, folding or gathering
Substrates GC/Bond/Coated · TPG-116
Lightweight coated (70-90 g): waviness and wrinkles in the press
Waves across the sheet, tail-end wrinkles, delivery jams
Substrates GC/Bond/Coated · TPG-118
Grammage change mid-job or between reorders
Approved color doesn't match when restocking with another batch or grammage; different texture and shade