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Printing service is used by most businesses for different reasons such as marketing and corporate communications. Hence, it is important to have some basic knowledge of how printing works, particularly offset printing, which is one of the most widely employed printing technologies.
Offset printing can generate a large number of prints quickly, which makes it more economical than other technologies and also more popular. The clients giving bulk printing orders are recommended by the printers to opt for offset printing because of this reason.
Offset printing uses oil based ink, which does not blend with water. Its so called because in this process, images are not transferred directly from the plates to the paper but this is done using rubber blankets as a medium.
The first step is preparing the images. Earlier the images were produced by creating film negatives and were then transmitted to aluminum printing plates. But, a modern printing company would now prepare the plates directly by using an image setting system. After this, the plate is attached to a cylinder with the right side facing upwards. Next, the water is spread on the image plates, which is followed by the ink. The ink is poured over the image and to prevent it from overflowing, a thin layer of water is spread over the remaining part of the plate.
After painting it with ink, the image is put on a rubber blanket which is on a different cylinder, leading the image to be inverted. The image is now printed with its correct side facing up by cutting sheets of papers into correct size and placing them on a third cylinder.
The final steps of the printing job involve things such as stapling, pasting or organizing the printed sheets in line with the instructions of the client, and any printing company should easily manage these.
Offset printing can generate a large number of prints quickly, which makes it more economical than other technologies and also more popular. The clients giving bulk printing orders are recommended by the printers to opt for offset printing because of this reason.
Offset printing uses oil based ink, which does not blend with water. Its so called because in this process, images are not transferred directly from the plates to the paper but this is done using rubber blankets as a medium.
The first step is preparing the images. Earlier the images were produced by creating film negatives and were then transmitted to aluminum printing plates. But, a modern printing company would now prepare the plates directly by using an image setting system. After this, the plate is attached to a cylinder with the right side facing upwards. Next, the water is spread on the image plates, which is followed by the ink. The ink is poured over the image and to prevent it from overflowing, a thin layer of water is spread over the remaining part of the plate.
After painting it with ink, the image is put on a rubber blanket which is on a different cylinder, leading the image to be inverted. The image is now printed with its correct side facing up by cutting sheets of papers into correct size and placing them on a third cylinder.
The final steps of the printing job involve things such as stapling, pasting or organizing the printed sheets in line with the instructions of the client, and any printing company should easily manage these.
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