The document provides training on common print quality issues including pinholes caused by soft mounting tape, skipout from improper anilox/plate settings, halo from plate and ink impression issues, feathering and dot bridging from a dirty print, fill-in referring to small type and halftones, ink riders as unwanted material transferring ink, misregister when colors do not line up, and ghosting from issues with ink drying time or dryers. It lists the print quality issues, provides brief descriptions of each, and includes relevant images.

1. Print Quality Training
Printed in Wichita Falls, Texas

2. Printing Sequence
Yellow printed over black
Printed in correct sequence

3. Pinholes
Tiny areas that are not covered by ink
Mounting tape is too soft resulting in
uncontrolled pinhole

4. Pinholes

5. Skipout
Improper anilox/plate impression setting

6. Skipout

7. Skipout

8. Missing Print

9. Halo
A shadow or double image around the print.

10. Halo
Plate Imp. Ink Imp.

11. Halo

12. Dirty Print - Feathering
Ragged edges on print and solid; loss
of print definition.

13. Feathering

14. Dirty Print/Dot Bridging
Appearance of a dirty, grainy effect as a result of
two or more process dots linking together. The
gaps between the dots are bridged by ink.

15. Dirty Print/Dot Bridging

16. Dirty Print

17. Dirty Print

18. Fill-In
Generally used to refer to the open portions of small
type and half-tones filled by ink.

19. Fill-In

20. Ink Riders
Unwanted foreign material transferring
ink to the substrate

21. Ink Riders

22. Misregister
In printing, the alignment of two or more images
when printed sequentially on top of each other is
called register. Misregister occurs when Colors do
not line up as intended.

23. Misregister

24. Ghosting
A faint design of the plate image in a printed
area. Ink drying time, over inking/hitting, BC
dryer issues.

25. Ghosting