Printing Glossary - Letter L

Label paper can be defined as papers that are coated but just on one side and they can be used in the application of labeling. It concerns the properties or grades of the paper stock.

Within the trade, laid refers to A term that explains the role the dandy roll imparts on the finishing work and it features wires that are parallel its axis which impresses the paper in the manufacturing to produce a watermark. The wires that produce these effects are parallel the dandy roll and are not interwoven with the transverse wires which circle the dandy roll. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Laid dandy roll means dandy roll used for putting a finish to the paper. It comprises of wires that are parallel to the rolls axis and is joined to the frame with a spaced wire that circles the circumference of the dandy roll. These wires are fixed on the transverse wires instead of being interwoven. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Laid lines can be defined as lines found on a laid sheet and it is what comes out of the design found on a dandy roll. It is a standard concept in printing.

Laid paper: The appearance that is closely linked in the finish of writing and printing papers made by the manufacturer of the dandy roll. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

In print practice, laid wires means wires that are parallel in the dandy roll which produces a watermark and it runs in the cross direction. It is a standard concept in printing. Usage varies with process and material.

Laid writing commonly denotes papers that are used for writing or any purpose with a landmark. It concerns the properties or grades of the paper stock.

Technically, lap describes An area that is slightly extended and is found the printing surface of a color plate which makes color registration easier. It belongs to file preparation and imaging before printing.

Lap register describes A register that is gotten from the overlaying of the second color over the first color at the point it is joined. It is a standard concept in printing. Usage varies with process and material.

Last color down is The last color that is printed. It is a standard concept in printing.

Layout: sketch of a proposed printing piece. In platemaking, The sheet that indicates how the machine operates. It belongs to file preparation and imaging before printing. Correct setup reduces errors on press.

Layout sheet means It shows the position of the negatives on a flat surface that is in line with the printed pages on the same press sheet. When printed, the paper comes uniformly. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Leaders commonly denotes A row of dash and dots which serves as a guide for the eyes across the paper. An example is a table of content. It concerns the properties or grades of the paper stock.

Length means An inks ability to flow. It affects drying, adhesion, and print appearance.

Letterpress printing is It makes use of designs that are engraved or cast in relief on different surfaces that are capable of handling surfaces like metal or wood. The opposite of intaglio printing. For letter pressing, the ink is on the printing surface that is raised. The non-printing sides are then recessed. Impressions can be made in different ways such as on the platen press, here the impression is made by the pressure applied to the flat area. To create an impression on the flatbed cylinder, the pressure of the cylinder rolls across a flat area or a type of plate. AKA typographic printing. It affects drying, adhesion, and print appearance. Formulation choices influence drying time and rub resistance.

Levelness refers to A paper evenness that is caused by a fiber distribution. It concerns the properties or grades of the paper stock.

Library binding can be defined as bound that agrees with the code that the American Library Association sets. It comes with a strong endpaper, a reinforced end signature, cotton flannel back linings and sewing with four cord threads. It relates to book assembly and durability. It influences section alignment and page longevity.

Lift is The highest number of sheets that an operator can handle by the paper handler or guillotine cutting machine. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Technically, lightfastness describes The degree that a printed piece would resist a color change on exposure to light. It is a standard concept in printing.

Lignin commonly denotes substances found in trees that help hold the cellulose fibers together. If lignin is not removed, it can cause the paper to lose color and deteriorate. Free sheets lack lignin. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Likesidesness — similar to the side to side colors and end of a sheet. It is a standard concept in printing.

Line copy commonly denotes A copy that is due to be reproduced without the aid of a halftone screen. It belongs to file preparation and imaging before printing.

Line drawing — Any drawing that lacks gray or mid-tones or a drawing that can be reproduced without halftones. It belongs to file preparation and imaging before printing.

Line negative describes A line copy that is a product of a negative. It is a standard concept in printing.

Linear paper refers to A sheet that is watermarked with lines that serves a guide to users. It concerns the properties or grades of the paper stock.

Linen finish paper is A paper with a surface of linen cloth. It concerns the properties or grades of the paper stock.

Lining can be defined as A material that is pasted on the spine of a book which would be case bound after the sewing process, gluing and then it is being rounded up. It helps to strengthen the glue and hold it together. It is a method of producing printed images. Each process has distinct plate, ink, and substrate demands.

Lint is Little fuzzy particles that are on the paper. It concerns the properties or grades of the paper stock.

Lip means allowance for the overlapping of a folded section that is needed for sewing and saddle stitching, for feeding the section and is also called the lap. It relates to book assembly and durability. It influences section alignment and page longevity.

Lithographic image: An image that is receptive to ink and is found on the lithographic plate. The design of metal plates or stones. It affects drying, adhesion, and print appearance. Formulation choices influence drying time and rub resistance.

Technically, lithographic paper describes Also known as offset papers. It concerns the properties or grades of the paper stock.

Technically, lithography describes A term used to describe any process that deals with printing whereby the area of the image and the non-image found on the same plate and is separated by chemicals that work against it. It is a method of producing printed images. Each process has distinct plate, ink, and substrate demands.

Within the trade, localized watermark refers to gotten by placing the art on the dandy roll to leave behind the watermark design on a spot on the sheet. It is a standard concept in printing.

Logo — A symbol that is made for a person or a company that shows that it is a representative. It is a standard concept in printing. Usage varies with process and material.

Technically, long fold describes Folding a sheet in the direction of a grain lengthwise. It concerns the properties or grades of the paper stock.

Long grain is A paper that is made with a direction in the longest dimension on the sheet. It concerns the properties or grades of the paper stock.

Within the trade, long ink refers to A spot of ink with the normal flow on ink rollers on the press. When the ink is excessively long, it breaks into the press filament and causes the newspaper to fly. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Longevity: The rate of permanence. It is a standard concept in printing.

Loose back is A common way of binding whereby the material to be bonded is not attached to the sheet's edge. It relates to book assembly and durability. It influences section alignment and page longevity.

Loose register commonly denotes A color that fits loosely and the position is not important. It is a standard concept in printing.

Low bulk — Papers that are lighter than the usual paper having the same weight and a clear surface with a thin sheet. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Low key picture describes A photo made up of dark areas. It is a standard concept in printing.

LPI: Refers to how printers produce images that cause a continuous tone of images by the printing of spots with halftone that are measured in LPI. LPI means several lines per inch that are also called the line or frequency of the screen. It can also be a halftone resolution. It is equipment used for production or quality control. Calibration is essential for reliable results.