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…

Trimming is the last step in a print run, and it is also one of the most mechanical. A guillotine cutter is a precision machine of steel blade, hydraulic clamp, and cam-driven controls. When it is well maintained, every copy comes out square and iden…

Non-woven fabric bags are everywhere: reusable shopping totes, trade-show giveaways, brand merchandise, and packaging for clothing and cosmetics. Most are made…

When you order flexographic printing for labels, flexible packaging, or corrugated cartons, color consistency is usually the first thing you check — and the last thing you want to see drift between runs. One of the least visible but most influential…

Cutting, or trimming, is the final physical step in most print jobs. A book, brochure, or business card can have perfect color, crisp images, and flawless binding, but a single rough or inaccurate cut is immediately visible to the reader. Understandi…

What Is a Board Book?
A board book is a children's book format printed on thick, rigid paperboard (greyboard) instead of regular paper pages. Board books are designed for the youngest readers — infants, toddlers, and preschoolers — who chew, drool,…

What Is Wire-O / Spiral Binding?
Wire-O (Twin Loop / Double Wire) binding and Spiral (Plastic Coil) binding are two popular mechanical binding methods that allow a book to open a full 360 degrees and lay completely flat. Unlike perfect binding or sad…

Color tones can generally be classified into five categories: Vivid, Grayish, Dark, Light, and Neutral.
1. Vivid Tone
After establishing the hue contrast (ideally at an angle of 90 degrees or more), it is essential to incorporate neutral colors—blac…

In screen printing, improper handling can easily produce two types of moiré patterns: overprint moiré and screen moiré. In color reproduction, it has long been established that the angle between any two strong colors must be greater than 22.5°; i…

Imposition is the process of arranging individual pages or labels onto a single printing plate. The primary objective is to optimize the layout for post-press processes, especially for bound publications, ensuring that pages appear in the correct seq…

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…