Substrates & Media – Ajax Printing

Gloved worker holds a white label web with visible fibers and specks beside rollers on a production printing and finishing line.

Static, Dust, and Contamination: Small Problems That Cause Big Print Defects

by Carter Kade
October 19, 2026

A production-focused guide to separating static charge, dust, fiber contamination, maintenance problems and media transport faults in inkjet printing.

Industrial roll-fed inkjet label press with large white substrate rolls, multiple black printhead modules fed by colored hoses, a violet-lit treatment or curing chamber, and a printed label web traveling through rollers.

Inkjet Primer vs Corona Treatment: They Solve Different Problems

by Carter Kade
October 12, 2026

Corona treatment changes a substrate surface to improve wetting. A primer or ink-receptive coating adds a functional layer for adhesion, ink control or both. Here is how to diagnose the actual failure and qualify the…

Industrial roll-fed printing and converting line with clear film unwinding through rollers beneath a black printhead assembly and a purple-lit treatment or curing unit, then rewinding as colorful printed film.

Corona Treatment and Surface Energy: Why Some Films Print Better Than Others

by Carter Kade
October 3, 2026

A passing dyne reading can indicate that film will wet, but it cannot guarantee ink adhesion. Learn how to control treatment, contamination, primer, cure, and testing.