1. X-height: X-height is the height of lower case letter X which is the base body size of the type font. The height does not include the ascender and the descender. Actually the font readability depends only on the X- height appearance. This factor can be seen if you...

5. Web Break: In the Web printing machine paper reel will be loaded for printing. They will be loaded for printing taking into consideration the elasticity of paper. The web tension will be set accordingly to ensure that the reel runs smoothly from end to end. While...

1. Watermark: Watermark is a recognizable image or pattern or design created in the paper fiber while manufacturing paper in the paper mill.  This is done by impressing the design through a roller called dandy roller which hold the image. The dandy roller revolves...

1. Varnish: Varnish is a colorless oily and or liquid product which has several applications in printing. It is one of the material added with the printing inks to reduce the tack. The Varnish acts as the carrier medium of the ink. This is used as over print medium...

8. Under color Removal : Technically called UCR this process involves removing the primary colors like Yellow, Cyan and Magenta from some areas of the images – Middle tone and Shadow areas- where the black color will be required to enhance the density and also in the...

Underlay: On the printing machines when the impression pressure is not uniform, some packing in the form of thin paper is placed below the Impression bed or below the blanket to raise the non uniform surface on par with the level of plane surface. The process of...

18. Teamwork: Team work means a group of persons joining together to complete a process from A to Z in specified manner as is required to be done. Every voluminous work requires a group of personnel to perform certain actions for its successful completion. Unless...

16. Taggant: Taggant is a marker powder which is added with the printing inks to enhance the security feature. Taggants act as a marker which can be read or the presence detected only by a special device which will be specially designed to authenticate them. Taggants...

11. Typography : Typography is the art and technique of arranging type matter to ensure that the printed matter appear  elegant, pleasing to the eye and easily readable. This therefore involves proper font selection for the particular job. While selecting the type...

6. Three knife trimmer: In most of the presses one may have seen only one knife Guillotine machine while some bigger units may have pre-programmable Guillotine machines. On pre-programmable Guillotine machines when the cutting length is pre-determined and fed into the...

1. TAPPI : TAPPI  represents the Technical Association of Pulp and Paper which is internationally accepted institution whose testing procedures for evaluating the qualities of the paper is accepted as reliable and accurate.  The TAPPI testing methods are similar to...

29. Specifications : Specification means the series of parameters pertaining to a specific material or product used/procured.  Every material or product has several qualities and in order to ensure that the product in demand meet the requirement for which it is...

28. Shingling : Shingling is a very important term in printing, particularly to printers who print the books bound by  saddle stitching. In a saddle stitched book the bulk of the paper cause the inner pages to extend further out than the outer pages when folded. The...

21. Scanner:- Various types of Scanners are in use in printing. The scanner is a device that captures the images and converts them into digital image and stores them in the memory of a computer, which is further processed for printing.  The other type of Scanner in...

17. Set off :While printing on  smooth paper or coated stock of paper, it may so happen that the ink from the previously printed sheet may transfer some amount of ink from its front surface on to the back of the  printed sheet which fall over it in the delivery pile....

13. Slurring: This is one of the most commonly seen  printing defect in Offset printing. Specially while printing halftone images, the occurrence of slurring is seen to be more. The problem could be due to The blanket becomes slightly loos The paper slips at the end...