Fine Print Knowledge Center
The online guide to print and design.
- Output Frequency
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Measurement that indicates how many pixels were digitized per unit of length and corresponds to the resolution of the image data.
For multi-color offset printing with a resolution of 60 dots per centimeter (equivalent to 150 dots per inch), the output frequency should be in the range of 300 dots per inch so that four pixels (two in each direction) are provided for the rendition of the dot.
In black and white images, the output frequencies are up to 2400 dots per inch, as all details must be produced.
Depending on the necessary scale-ups and scale-downs of the original to be reproduced, the necessary resolutions in the scanner are substantially higher or lower.
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- Output Resolution
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The resolution of the output device in terms of dpi on a printer and ppi on a computer monitor.
Depending on the type of device, the resolution can vary from 300 dpi to 3300’’s dpi on a printer and are 72 or 96 ppi on a computer monitor.
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- Over-Laminating
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A process, generally done in-line, where a clear film is applied to the printed product for protection purposes or to enhance the quality of the graphics
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- Overexposure
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1. An image sensor which receives too much light and provides an image that is very light in appearance.
2. A condition in which too much light reaches the film, producing a dense negative or a very light print or slide.
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- Overlap
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When a label is wrapped around a container and the tail end of the label overlaps and adheres to the lead edge.
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- Overlay
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A transparent sheet used on multi-color artwork to show the separations of the different colors.
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- Overlay Proof
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A proof that uses overlays to show the different colors of the artwork being proofed.
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- Overprint Coating
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A coating that is added to provide protection to the printing and surface of the product. It protects against sunlight, chemicals, moisture and abrasion.
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- Overprint Coating
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A coating that is added to provide protection to the printing and surface of the product. It protects against sunlight, chemicals, moisture and abrasion.
A coating that is added to provide protection to the printing and surface of the product. It protects against sunlight, chemicals, moisture and abrasion.
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- Overprinting
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Printing an image over an area that has already been printed.
Printing over a previously printed impression, such as printing type over a halftone screen image.
In printing color process colors, one process color is printed over another creating a secondary color, which is a combination of two primary colors.
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- Overruns
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The quantity of items produced over the quantity that was originally ordered.
Also referred to as any paper spoiled in the process of printing.
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- Overs
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Overruns
The quantity of items produced over the quantity that was originally ordered.
Also referred to as any paper spoiled in the process of printing.
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- Overset
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Copy or text that cannot be set to fit within a specific sized area.
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- Oversize
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Paper that is manufactured a little larger than desire to allow for trimming.
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- Ozalid Copy
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Paper used as proofs for checking the completeness, position and content of printing copy.
The basis for this was the diazotype process patented in 1917 by the Benedictine father Gustav Kögel.
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