Test exposure time there are many ways, the following describes two of the more common ways: 1 foot ladder continuous test method: using a continuous dense foot ladder attached to the PS version strips, graded exposure (can be started from 80s, every time plus 20S, five times, until the 160s), after the reunification of normal development, the strip to identify and PS version using the instructions provided on the sun through the series, which is the version of the correct exposure. 2, dot wedge test method: the copy of the test strip is attached to the PS version of the small dense strips, graded exposure, normal development, find bright and dark tone that withered relatively complete network-level exposure time is the best exposure time. In general, positive PS plate should be able to restore the 2% -97% of the network, if the bright tone dot loss is relatively small, darkened more white spots lay dead, indicating insufficient exposure time; if black specks lost more while the white point paste dead less, indicating overexposure. Short-run printing generally refers to the number of leaflets printed 1,000 copies less, short-run printing does not require a traditional printing plate, directly to the picture text into a digital computer processing then done by a laser or inkjet output, in contrast using traditional offset printing operations due to the complex way, from the printed volume is usually 3,000 or more, so when printed print run of 1,000 copies of the following, generally do not have printing units willing to take printing. In addition, from the time of speaking, small-volume printing requirements are generally very short delivery time. If the traditional printing methods Folding color card printing, its a film, plate making, proofing, printing, the use of the cycle to be more than two days. If the user wants to take one day to live, you simply can not do. With the development of market economy, a variety of small-volume printing needs of growing, like the hotel menu color card printing, color printing at home, electronic products, various invitations invitations, crafts, new product introduction, and so on. Sometimes only a few to tens of print volume copies, unable to open the seal, the user can only use digital printing solutions short of. In printing, usually within 16 to open a million copies printed single number called short-run printing, ten thousand, said in addition to a certain number called long version of the printed edition. Modern business demands immediate and strong, flexible printed Blister color card printing products, information, content, promotional materials will soon be obsolete, but a lot of the effectiveness of traditional print-time printing of printed materials is not strong, although it will reduce the cost of a single color card printing, but actually impossible to have So a lot of demand, multi India has become part of the actual waste and wasted. Digital printing commercial printing products to meet the real needs of the ever-changing, fast printing, such as a small number of varieties and flexible printing. Color card printing manufacturer, beyond printing (certified), Zhangmutou color card printing from Dongguan Changping beyond packaging products factory provided. Dongguan Changping beyond packaging products plant (www.dgcyp.com) is Dongguan, a leader in printing paper, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Leadership in all walks of life beyond the printing staff warmly welcomed the inquiry negotiations to create a better future beyond printing.