Offset printing

Offset printing is the highest quality printing system available for large quantities.

Offset replaced the old letterpress printing (movable type) and is still the benchmark today, as it is constantly evolving to achieve higher quality and faster makeready.

It is characterized because the printing is made by plates with the image to be printed separated by colors.

If the printing is in color (not pantones), it is done with the mixture of the four main colors CMYK (cyan, magenta, yellow and black).

Corporate colors can also be printed (Pantone) by making a specific plate for each color.

In addition to Pantone inks, it is also possible to print with security inks (visible only with UVI readers).


Advantages

  • The quality is unquestionably the best.

  • It can be printed on all types of media (paper).

  • The higher the quantity, the lower the price per copy.


Limitations

  • The image is always the same (cannot be customized).

  • Small quantities are expensive due to the cost of plate preparation, machine, etc.


Direct ink printing (Pantone)
A unique feature of offset printing is that it is possible to print direct inks (Pantone).
Pantone colors are used to achieve a right color, since cannot be reproduced with CMYK inks, Therefore, a special ink must be used to achieve them. There are direct colors fluorescent, metallic, etc.

When printing with direct inks, it is necessary to have a very precise control of registration and trapping to ensure high quality printing.
At Gráficas Mañas we apply the necessary technique and trapping to achieve the best printing quality.

Paper feed

Sheet transport

Inked rollers

Pre-printed paper output

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