Printing Knowledge

In color printing, the typical approach is to use four colors: yellow, magenta, cyan, and black, which are printed in a specific sequence. Theoretically, there are twenty-four different printing color sequences possible with these four colors, and an…

Lithographic printing is based on the principle that oil and water do not mix. The image areas on the plate are oleophilic (ink-attracting) and hydrophobic (water-repellent), while the non-image areas must first absorb water to become hydrophilic and…

Packaging Inspection for Paper
Currently, flat paper packaging primarily comes in two basic forms: wood clipboard packaging and wooden box packaging. Qualified flat paper usually has more than two layers of wrapping paper on the outside, further rein…

Someone asked online: "Why does the ink layer not appear bright enough when silver ink is overprinted with other colors on black paper?" Here are my thoughts and insights on this issue for reference.
The so-called "black paper" is a type of speci…

In the WorldSkills competition for the Printing and Media Technology category, the "Digital Printing Color Matching" contest has emerged as one of the challenging aspects affecting the scores of participants in recent years. As a guiding teacher fo…

3D printing, also known as stereoscopic printing, typically refers to stereolithography printing. It employs a principle that simulates the spatial difference perceived by human eyes, recording pixels of different angles and depths on photosensitive …

Screen printing refers to the use of a mesh screen as a printing plate, which is made into a screen printing plate with images through photosensitive plate making methods. Screen printing consists of five main elements: the screen printing plate, squ…

Offset printing, an indirect printing method, is named after early lithography, which initially used stone plates. In early lithography, stone blocks were ground flat and used as plates. Later, this method evolved to use metal plates made of zinc or …

In an effort to help eliminate the "Paper Weight" confusion problem,
we have compiled the comprehensive table listed below.
Now you can compare various types of paper and their "Equivalent Weights."
Definitions:
Basis Weight
The basis weight of a…

A "proof" is a preview of your press-ready file, allowing you to examine and confirm layout, text and content before your order goes to press.

We rely on your thorough inspection of the proof to detect and correct errors, the review of this proof …

Bleed is the printing industry term  that refers to printing that goes beyond the edge of the sheet before trimming.. What actually happens is that the picture or other graphic extends 1/8" (.125") beyond the edge of the page and that excess image…

When ink is applied to a raised surface and paper is pressed against the inked surface, the ink is transferred to paper, Figure 1-18. Relief and letterpress are terms that describe printing methods that use this principle. The rubber stamp is device …

Bleed is the printing industry term  that refers to printing that goes beyond the edge of the sheet before trimming.. What actually happens is that the picture or other graphic extends 1/8" (.125") beyond the edge of the page and that excess image…

VARNISHING After an image has been transferred to a substrate, it is sometimes coated or varnished. The coating becomes a clear protective surface. Usually, the coating makes the surface resistant to moisture and scuffing.Glossy restaurant menus, ann…

Sheets of paper may be bound together in several different ways. The most common methods include: saddle-wire, side-wire, sewn soft-over, sewn case-bound, adhesive, mechanical, and loose-leaf binding. SADDLE-WIRE BINDING. The saddle-wire method of bi…

Finishing refers to several operations that may be performed on printed material after it has left the press. The most common finishing operations are cutting, folding, and gathering. other finishing techniques include scoring, perforating, drilling,…

Self Covers Self-covers are produced from the same material as the body of the book and generally carry part of the message of the piece. Newspaper and some news magazines have selfcovers. The method requires no special techniques to assemble or atta…

The most aggravating problems in lithography are often interaction problems, which arise when there is more than one deficiency among the paper, ink, press, and press operation factors. Consequently, adjusting the press may solve the problem temporar…

Each printing process requires the use of an ink developed specifically for that process. Letterpress, gravure, lithographic, and screen-process inks are specially formulated to match the requirements of the printing process. For example, letterpress…

Many times, a customer requests a specific color other than black, cyan, yellow, or magenta on the ink required, the printer either orders the specific color from the inkmaker or mixes it in the printing plant. Obtaining the ink from the inkmaker is …