In which situations is it better to use digital printing and when is
offset printing preferable? The answer lies in the peculiarities that
characterize them, let's find out what they are!
All people who approach the world of printing and typography will find
themselves at least once hearing about digital printing and offset
printing Company in Ghana: this is in fact the main division between
the printing machines present in a large or medium print shop, but which are
the differences? What use to make of one or the other? Digital printing is
surprising everyone for its continuous improvements, while offset printing
continues to update thanks to the engagement of technologies that are imported
from digital.
Digital printing: the
characteristics
The digital printing is newer and allows you to print files directly
from your computer onto paper or other types of media, because the reproduction
process does not involve too much pressure on the sheet; in this case, in fact,
it is a roller or a head that distributes the ink in the necessary points.
Each new copy is processed directly by the machine so it is not
difficult to modify the document in progress, correcting or changing the
settings from the computer.
Compared to offset printing, if there is a need to print less than a thousand
copies, the costs of digital printing are lower because they do not require the
creation of a matrix.
Digital printing also has an additional advantage: it is much faster
at the process level than offset, which requires preliminary settings for printing
and longer times for drying the ink.
On the other hand, however, digital printing is suitable only for a
limited number of types of paper: therefore those who want to use paper with a
thickness greater than 350 gr or special papers will tend to rely on offset
printing.
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Offset printing: the characteristics
The offset printing, unlike the digital, is employed since the late
nineteenth century to print large quantities of copies (at least 500/1000), on
different types of paper.
The document is reproduced on a matrix plate and then imprinted on the
paper support through a mechanism of rollers and cylinders which distribute the
ink, in the three primary colors, and exert the pressure needed to print; so
you can print thousands of identical, high-quality copies.
By working on a high quantity of prints, the costs are amortized,
since the creation of the matrix requires an expense that is convenient only
for the long runs, while the cost of the ink is much lower.
One aspect to keep in mind is that, unlike digital printing, offset
printing does not allow you to easily make changes to the documents to be
printed, because such modification would require the creation of a new plate.
Digital printing and offset
printing: advantages and disadvantages
The choice of the type of print that best suits your needs derives
from a series of variables:
·
Offset printing has the disadvantage of
preparing the initial matrix which entails a higher cost than digital printing
and it is not possible to make changes on the plate once prepared. On the other
hand, however, the costs are lowering more and more and the speed with which
the slab can be replaced has increased compared to past years;
·
Another aspect to be taken into consideration
concerns the document to be sent for printing: if the document to be reproduced
is definitive and thousands of copies must be made, it is more convenient to
print off-set. When, on the other hand, you need to make test prints on which
you may need to make some changes or if the print run is limited to a few
hundred copies, the most convenient solution is digital printing;
·
Finally, as regards the format, offset printing
uses a large sheet, in which it is possible to combine three of their multiple
products, in order to reduce printing costs.
