Printing Knowledge

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, annual report covers, and similar products are typical examples of varnishing. The coating materials va…

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 or color is then cut off as a part of the bindery or finishing process. After trimming, the bleed ens…

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 that prints by the relief or letterpress method. It transfers ink from a raised surface to paper. Ty…

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 or color is then cut off as a part of the bindery or finishing process. After trimming, the bleed ens…

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 will be the last opportunity to catch errors before the job goes on press.
Orders will not go to press…

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 paper is the designated fixed weight of 500 sheets, measured in pounds, in that paper's basic sheet siz…

At ZXC Print, we are committed to delivering high-quality printing services. If you're not satisfied with your order, please review the following return guidelines.
Return Eligibility:
- Returns are accepted within 30 days of delivery.
- Products must be in their original, unused condition.
- Custom-printed items are eligible for return only if the…

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Lamination is one of the most common finishing steps for printed book covers, yet few buyers stop to think about how it influences everything that happens later on the production line. Most educational and trade paperbacks today are covered with pre-coated thermal film: a clear BOPP film base tha...…

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 identical. When it is not, the faults show up direc...…

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 components behind that consistency is the anilo...…

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. Understanding how paper cutting works, what can go wrong,...…

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, throw, and tug at their books. The thick pages are difficult to tear, resistant to moisture, and ha…

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 saddle stitching, mechanical binding uses punched holes along the spine edge and inserts a wire or plas…

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—black, white, gray, or metallic tones like gold and silver. These act as buffers or transitions between …

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°; if it falls below 22.5°, moiré patterns will appear.
I. Causes of Moiré Patterns
In multi-color ha…

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 sequence after printing, folding, and trimming.
The following key factors must be confirmed before proc…

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 meet printing requirements but has a long production cycle, high costs, and complex operations when c…

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 presses.
The higher the DPI, the more dots are printed per inch, resulting in finer details and smoot…