Printing Glossary - Letter S

Saddle wire binding means The fasting of booklets or printed materials by wiring the middle part of the printed material. It relates to book assembly and durability.

Saddle-stitch is The binding of booklets or pamphlets by stapling through the middle part of the sheets. It relates to book assembly and durability.

Scanner is electrical device that is used in color separation. It is a standard concept in printing.

Scanning: The use of computer in color separation scanning. It is usually done point-by-point. It is a standard concept in printing. Usage varies with process and material.

Schopper's tester can be defined as instrument used for testing how much a paper can endure in folding. It concerns the properties or grades of the paper stock.

Within the trade, score/scoring refers to The crease that is mechanically impressed on the paper in order to enhance folding and guard against cracking of the board and paper. It is most essential when large or heavy papers are to be folded. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Technically, screen describes The ruling that is used to determine how many dots a unit area should have in the process of developing the tonal values on the printed piece. The screens are of different ranges. The different ranges of screens are from 60 (sixty) lines-per-inch for newsprint printing to 150(one hundred and fifty) lines for coated paper printing. Generally, Offset halftones for printing on surfaces ranges from about 133 (one hundred and thirty-three) lines to 200 (two hundred) lines. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Within the trade, screen angles refers to angles in color reproduction which the halftone screens are placed in order to avoid undesirable patterns. To ensure that only desirable angles are gotten, several angles are used. They include magenta 75°, black 45°, yellow 90°, and cyan 105°. It belongs to file preparation and imaging before printing. Correct setup reduces errors on press.

Screen process printing means A printing process involves the use of fine-mesh silk (that is popularly called silk screen printing) properly spread across a frame. When a squeegee is spread across the screen, the ink would be forced through the open image areas which have been cut-out by hand through the use of a lacquered tissue before the adherence to the silk. When the reproduction of designs is sought to be made, special photographic negatives are added to the screen. It affects drying, adhesion, and print appearance. Formulation choices influence drying time and rub resistance.

Screen range describes The density distance that is between the shadow areas of a copy and the highlight that the halftone screen can produce without any flash exposure whatsoever. It belongs to file preparation and imaging before printing. Correct setup reduces errors on press.

Technically, screen ruling describes The number of dots or lines per inch that is on a halftone screen. It belongs to file preparation and imaging before printing.

Screened print means print made in exposure. This print is made from continuous‑tone copy that was screened in the time of exposure. It belongs to file preparation and imaging before printing.

Screentone is halftone film that has a uniform dot size above its area. It is rated by the size of its printing dot. It is also known as screen tint. It belongs to file preparation and imaging before printing. Correct setup reduces errors on press.

In print practice, scuffing means disruption in the appearance of an ink film caused as a result of rob-off. It affects drying, adhesion, and print appearance.

Scumming refers to Refers to the picking up of ink by the press plate. This ink is picked up from non-printing areas as a result of spots or where some areas have refused to remain desensitized. It affects drying, adhesion, and print appearance. Formulation choices influence drying time and rub resistance.

Sealed is term given to reams which have been cut and packaged. Each package is made up of 500 sheets and is labeled "ream sealed". It impacts color reproduction and consistency. Profiles and lighting conditions also play a role.

Seasoning can be defined as The allowing of paper to adjust or adapt to the atmospheric condition of the plant in which it would be used. It concerns the properties or grades of the paper stock.

Secondary fiber means term used to refer to waste paper. Another name for secondary fiber is paper stock. It concerns the properties or grades of the paper stock.

Self-cover: cover that matches the pages of the inside text. It is a standard concept in printing.

Semi-chemical pulping refers to pulp that is made by combining chemicals and other mechanical methods. It is often used for corrugated mediums. It is a metric used for setup or quality evaluation.

Semi-concealed cover commonly denotes cover used for mechanical binding of a single piece that has been scored and slotted for combining with the mechanical binding device. It relates to book assembly and durability. It influences section alignment and page longevity.

In print practice, sensitivity guide means calibrated and narrow frequent gray tone scale. Each of these tone scales has a number. It is a standard concept in printing.

Technically, separation negative describes one of the images of a color set. It is a standard concept in printing.

Technically, serif describes cross line found at the end of the stroke of the Roman letters. It is a standard concept in printing.

Set-off: The transfer of ink from a freshly Printed sheet to another paper. This process is also known as set‑off. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

In print practice, set-up sheet means sheet that is drawn from a computer specification on the table of the craftsman in plate prep which would be used as a master in the layout and positioning of different pages in the production of a particular job or jobs for which it was created. It is a standard concept in printing.

Setback — used in p, latemaking. The distance from the image area to the front edge if the press plate which enables the gripper margin and clamping to the cylinder. It is equipment used for production or quality control.

Sewn book — a technique for binding a book in which different signatures are brought together, assembled sequentially and sewn one after the other on 32s, 16s, or 8s. The sewing threads can be seen at the center of each signature. It relates to book assembly and durability.

Sewn-on tapes describes strips cloth that is sewn to the book section and extended slightly beyond the edge of the book's spine. Sewn-on-tapes are used to ensure that the cash bound book has a firm binding. It relates to book assembly and durability. It influences section alignment and page longevity.

Technically, shadow describes The darkest part of a photograph. The largest dots are used for such representation in a halftone. It belongs to file preparation and imaging before printing.

Technically, sharpen describes To decrease in the strength of a color. For example; when a halftone dot becomes smaller. The opposite of dot again or dots spread. It belongs to file preparation and imaging before printing.

Technically, sharpness describes term used when an original, negative or reproductive detail is perfectly defined. It relates to book assembly and durability.

Technically, shave describes To slightly trim a paper or bound book. Whether or not it is printed or blank does not affect the meaning of the word. It concerns the properties or grades of the paper stock.

Within the trade, sheet refers to used to refer to a grade of paper, a single sheet or a description of the paper. For example; offset, letterpress, coated, uncoated, etc. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Sheet delamination means what occurs in the printing press when a sheet has poor surface street Strength. It could result in a blanket smash. in order words, where delamination is thick and large enough and the printing press is not put off, depression would be created in the blanket and this would make the blanket unusable even after the delamination buildup has been removed. This defect can occur in both web‑fed and sheet‑fed equipment. It is equipment used for production or quality control. Calibration is essential for reliable results.

Sheet-fed — Any printing press that requires the printing of papers in sheet forms and not printing in rolls. It concerns the properties or grades of the paper stock.

Sheeter can be defined as In the manufacturing of papers, The unit where the paper passes to in order for it to be cut into sheets. In printing, The knife at the end of the web press that slices Printed materials into press length. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Sheeting means The cutting of webs or rolls of paper into sheets. It concerns the properties or grades of the paper stock.

Sheetwise describes Printing two sides of a sheet of paper with, same gripper, different plates, and an opposite side guide. It concerns the properties or grades of the paper stock.

Shell is slipcase used for holding bound volumes of a set. The nickel (or copper) duplicate of engravings made in the playing tanks in the process of impressions in different molding mediums such as wax. It is equipment used for production or quality control. Calibration is essential for reliable results.

Sheridan saddle stitcher-trimmer — machine that is used to gather, stitch, cover and trim saddle stitch books. It relates to book assembly and durability.

Shives: Wood particles that were not properly cooked and are removed from the pulp before the manufacturing process begins. Where it is not removed, it would appear as imperfections in the finished sheet. It relates to book assembly and durability. It influences section alignment and page longevity.

Short-grained paper refers to paper in which the shortest sheet dimension is parallel to the dominant fiber orientation. It concerns the properties or grades of the paper stock.

Show-through is Where the printing on the reverse side of the paper can be seen through under normal light conditions where it is not supposed to be seen. It is an undesirable condition. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Shrinkage is Reduction in the size of a sheet of paper or a loss that is incurred in weight between the paper made and the pulp used. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Side guide commonly denotes guide on the feed board whose duty is to ensure the sheet is sideways as it feeds into the front guide before it enters the impression cylinder. It concerns the properties or grades of the paper stock. Selection affects stiffness, opacity, and printability.

Sidestitch commonly denotes type of binding where the folded signatures or cut sheets are stitched through the use of wire near the gutter margin. Where this form of binding is used, the pages cannot be opened to a flat position. It is also known as side wire. It relates to book assembly and durability. It influences section alignment and page longevity.

Technically, signature describes obtaining a section of a book by folding a section of the printed paper into different pages 32, 16, 12 or 8. It relates to book assembly and durability.