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because the ink is not transferred directly from printers. The process has grown rapidly in
the printing plate to the paper, but is offset or popularity since the 1990s and has become an
transferred onto a rubber blanket first. important part of the printing industry.

The traditional offset printing process The digital printing process involves the
involves the following steps: following steps:

Pre-press: This is the initial stage of the 1. Pre-press: The first step is creating a dig-
printing process, where the design is prepared ital file, either from scratch or by scanning a
for printing. This may involve the creation of physical image. The file is then edited and pre-
a digital file, the preparation of printing plates, pared for printing using specialised software.
and the selection of paper stock and ink.
2. Printing: The digital file is sent to a digi-
Printing plates: The design is transferred tal printer, which prints the image directly onto
to printing plates, which are typically made of the substrate using specialised inks. Digital
aluminium or plastic. Each plate corresponds printing technologies include inkjet, laser, and
to one colour of ink, so a four-colour printing electrostatic printing.
job would require four plates.
3. Finishing: After printing, the substrate
Ink and fountain solution: Ink is applied to may undergo finishing processes such as cut-
the printing plates, which adhere to the image ting, binding, or laminating to create a finished
areas. A fountain solution is applied to the product.
non-image areas, which helps to repel the ink.
Digital printing offers several advantages
Printing: The printing plates are mounted over traditional printing methods, which
on a printing press, which applies pressure to include:
transfer the ink from the plates to a rubber blan-
ket. The rubber blanket then transfers the ink Speed: Digital printing can produce prints
to the paper. The process is repeated for each much faster than traditional printing methods,
colour until the final printed piece is complete. with no need for printing plates or setup times.
Today, offset printing is widely used Cost-effectiveness: Digital printing is often
for commercial printing jobs, such as bro- more cost effective than traditional printing
chures, books, and magazines. It can produce methods for smaller print runs, as there are no
high-quality prints at a relatively low cost and setup costs or minimum order quantities.
can reproduce a wide range of colours and Customisation: Digital printing allows for
tones. While digital printing technologies have greater customisation of print jobs, with the
largely replaced offset printing in recent years, ability to print variable data and personalised
the former remains a popular and effective content.
printing method for large-scale jobs. The tra-
ditional offset printing process has been refined Quality: Advances in digital printing tech-
over the years to improve efficiency, quality, nology have led to improved print quality, with
and speed, making it an important part of the the ability to reproduce a wide range of colours
printing industry. Digital printing involves and tones.
directly transferring digital files onto a print-
ing substrate, such as paper, using specialised

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