Printing Knowledge

The sequence of steps in binding hardcover books is shown in Figure 6-1. These steps remain the same whether books are bound by hand or by machine. FOLDING SIGNATURES AND ENDSHEETS. Large printed sheets are first folded to form signatures. A signatur…

Name Thickness/mm Name Thickness/mm
80gsm art paper 0.065 105gsm matt coated paper 0.09
105gsm art paper 0.085 128gsm matt coated paper 0.12
128gsm art paper 0.105 157gsm matt coated paper 0.16
157gsm art paper 0.135 200gsm matt coated paper 0.19
200…

Perfect Binding Process Sewn Binding Process Perfect binding is often used, and gives a result similar to paperback books. National Geographic is one example of this type. Paperback or soft cover books are also normally bound using perfect binding. T…

Fold the impression (cut or uncut) into several folds according to page number and sequence. The fold with multi-pages is called a signature of book-block. After collocating the folded signatures into volumes by order and combine them, it is called s…

Quality and rather heavy two-side coated printing paper with smooth surface. The reproduction of fine screen single- and multicolor pictures ("art on paper") requires a paper that has an even, well closed surface and a uniform ink absorption.…

1. Traditional Plate-Making
Traditionally, black-and-white line art plates are produced from black-ink originals or high-quality printed materials through photography, retouching, copying, and layout (or assembling). This method produces films that m…

What Is DPI (Dots Per Inch)
DPI stands for Dots Per Inch.
It refers to the number of dots a printing or output device can place within one inch (2.54 cm).
In the printing industry, DPI is mainly used to describe the output precision of printers and p…

Hardcover binding is one of the most refined binding methods in book publishing. Compared with paperback books, hardcovers feature superior materials, durable binding, elegant appearance, and better long-term preservation.
1. Common Types of Hardcove…

Many critical details of the printing production process are determined during the prepress imposition stage, including the unification of trim and register marks for different jobs, the reservation of binding and milling margins, the standardization…

In the fields of book, magazine, and packaging printing, color printing has become the mainstream, and overall print quality has continuously improved. However, due to both subjective and objective factors, truly high-end printed products are still r…

Trapping is a time-consuming and highly specialized prepress technique used to correct misregistration between solid CMYK color areas.
In general, trapping should not be applied to continuous-tone images such as photographs, as improper trapping may …

In the printing process, numerous factors contribute to color deviation in spot color production. The following is a detailed analysis of these factors:1. The I…

As awareness of counterfeit products continues to grow, the importance of ink and paper in security printing has become increasingly evident. Both are essential components of modern anti-counterfeiting systems and play a critical role in preventing d…

Paper, including both paper and cardboard, is made from plant fibers, fillers, pigments, and adhesives. In packaging printing, to ensure high-quality printed products, five key factors must be considered: people, machines, materials, methods, and env…

Post-press surface finishing plays a vital role in color printing and packaging production. In today’s highly competitive printing market, the success of a product often depends on the quality of its packaging. The effectiveness of post-press surfac…

Prepress plate-making equipment is highly precise. In practice, a large proportion of equipment failures are caused by external factors rather than inherent defects. These causes are diverse, and solutions must be determined according to actual condi…

The success of shadow tone reproduction in printing largely depends on the proper setup and effective use of the black plate (K plate). In practical production, problems such as blocked shadows, muddy dark areas, or loss of detail are often caused no…

There are various ways to classify printing plates used in book production.
Generally, they can be categorized in two major ways:
(1) By the materials used for making the plate
(2) By the surface structure of the plate
I. Classification by Plate-Maki…

When creating structural designs for printed products—especially items with irregular shapes such as custom-shaped book covers or specialty packaging—designers need a solid understanding of printing and die-cutting processes. For example, when prep…

1. Common Standard Sizes for Printed Materials (Finished Size)
Type of Printed Material Standard Size (mm) Notes
IC Card 85×54 Universal standard size
Tri-Fold Brochure 210×285 Designed based on A4 specification
Regular Brochure 210×285 Compatible…