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What are the basic processes of the printing process?

The basic processes of the printing process are design drawings, film issuance, proofing, plate assembly, plate drying, post-press processing, and delivery.

I. Issuing Film (Sending out the film)

Walking out the film is to make a good layout and output to printable PC film through the equipment, the technical term is called film.

Film: The roll of film used for printing and making plates, called the film, can be printed on a machine with a PS version of the film, which is the same as the negative of a photograph. It is an indispensable process in precision printing.

2. Make a sample proofing.

In the printing production process, the film made by photographic method or electronic color separator is properly trimmed and proofing or other methods are used to show the effect of plate making.

Sample Machine Proofing

The most traditional and reliable method of proofing. It uses similar equipment, plates, paper, and ink as the official printing machine, but the proofing machine is generally a single-color or two-color machine (only one or two colors can be obtained at a time), is not highly automated, requires high operating skills and experience, and plates must be made in advance, so the proofing machine is inefficient, requires constant temperature and humidity environment control, and is costly.

Simple Proofing

A photochemical reaction to obtain images and color proofing technology, mainly consisting of laminated film proofing and color powder proofing, the common feature of these two methods is the color separation dot film (such as a yellow plate) with a photosensitive polymer coating attached to the film or paper substrate (vacuum method) laminated together, the exposed part becomes insoluble or loses adhesion through exposure to the ultraviolet light source on the side of the screen film, and then developed by solution or color powder development to obtain a color image.

Digital proofing

No intermediate color separation dot film and no printing plates are required. The digital color image (also called a digital page or digital film) generated in a digital prepress system is converted directly into a color sample, i.e., a sample is generated directly from the computer. Digital proofing is divided into soft proofing and hard proofing.

3. Group plate

Plate laying is also called "binding", or "group plate". The second process is manual typesetting. In the work will not always do 16K, 8K, and other formal open products, especially packaging boxes, small cards (certificates), etc. are often not off, at this time we need to pay as much attention as possible to the finished product in the appropriate range of open paper, in order to save costs.

4. Photocopying

Photocopying is the work of printing out pictures and text on film, sulfuric acid paper, and other highly transparent carriers by exposing the screen, PS, resin, and other materials and coating them with a light-sensitive agent. After drying on the screen, PS, and resin plates, the film on which the image is to be covered is exposed and photocopied onto a photosensitive film on the plate. This exposure light washing process is usually called a sunlight plate.

5. Printing on the machine

Repair the sun-dried PS plate to the rubber roller of the printing machine, adjust the ink, and open the printing.

6. Post-press processing

Lamination, embossing, folding, laminating, UV, binding, embossing, foil stamping, silver stamping and other printing processes.

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