O
- Océ
-
Generic term used to refer to
the digital printing department which houses all Océ digital printing
machines.
- Océ Web
-
Generic term used to refer to the
complete reel-fed Océ printing line.
- Offset Printing
-
Printing technique that transfers ink from a plate to a blanket to paper
instead of directly from plate to paper.
- OKTP
-
Generic abbreviation for OK To Print. An indication of approval for
press.
- On Demand
-
The process whereby clients can
order any TSO publication and have it printed and posted out to them within 24
hours. This whole operation is carried out in the Océ Digital Printing
Department. A typical day's requirement could range between 200 and 500 totally
individual publications for the same amount of individual clients. Also
referred to as Print On Demand or PoD.
- Onion Skin
-
A specific lightweight kind of paper usually used in the past for air mail
or wrapping fruit.
- Opacity
-
1. Characteristic of
paper or other substrate that prevents printing on one side from showing
through the other side.
-
2. Characteristic of ink that
prevents the substrate from showing through.
- Opaque
-
Not transparent.
- Open Prepress Interface (OPI)
-
Hardware and software that link desktop publishing systems with colour
electronic prepress systems.
- Orphan
-
First line of a
longer paragraph that prints as the last line of text on the page.
- Outer form
-
Form (side of a press sheet) containing images for
the first and last pages of the folded signature (its outside pages) as
compared to inner form.
- Outline Halftone
-
Halftone in
which background has been removed or replaced to isolate or silhouette the main
image. Also called knockout halftone and silhouette halftone.
- Outwork
-
Work or services that are performed by an
outside contractor or service provider.
- Overlay
-
Layer of material taped to a mechanical, photo or proof. Acetate overlays
are used to separate colours by having some type or art on them instead of on
the mounting board. Tissue overlays are used to carry instructions about the
underlying copy and to protect the base art.
- Overlay Proof
-
Colour proof consisting of polyester sheets laid on top of each other
with their image in register, as compared to integral proof. Each sheet
represents the image to be printed in one colour. Also called celluloid
proof and layered proof.
- Overprint
-
To print one
image over a previously printed image, such as printing type over a screen
tint. Also called surprint.
- Over Run
-
Additional printed matter beyond order. Overage policy varies in the
printing industry. Advance questions avoid blind knowledge.
- Overs
-
Non-waste copies which, at the end of a production run,
are additional to the quantity required.