Ching Teng is a specialized label printing company that prints the custom labels for every industry.

Common issues

Common Printing & Labeling issues

Printing is a mature industry and most printers have learned to achieve quality results while keeping costs under control. Sometimes however, the printed result may not match your expectations or labels do not apply properly to your bottles, tubes, or plastic containers. This page describes common printing & labeling issues, what causes them and how they can be avoided.

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  • Labels Adhesive Problem & Solution - Labelling problem & solution
    Labels Adhesive Problem & Solution

    There are a few common reasons that labels do not apply properly to your bottles, tubes, or plastic containers, such as bubbles, edge lift, wrinkle and poor sticky. Why the problems are caused from? The first that the users would think about is the“Labels quality”. But is it only the factor caused the problem? Mostly they related to other factors. What type of containers the labels apply to? Are the labels applied by hand or machine? The environmental conditions where the label application? Transportation, storage conditions and more depending on your specific requirements.The following steps will help determine the cause of the problem.


  • White Spot & Poor Registration - White spot on the print
    White Spot & Poor Registration

    Printing is a mature industry and most printers have learned to achieve quality results while keeping costs under control. Sometimes however, the printed result may not match your expectations. How to prevent defective printed labels such as white spot and registration misalignment from entering the customer's packaging process, minimize interruptions in production?


  • Printing Dot Loss - printing dot loss
    Printing Dot Loss

    The most common defects in letterpress printing is that when the gradient is pulled to 3% ~ 5%, there will be a dot loss issue. For this problem, it can be anlysis from film platemaking, digital platemaking and printing production.In the case of using film platemaking, the printing plate is exposed by exposure unit and then washed out to complete the printing plate. In such a process, small dots can not be reproduced on the printing plate and easily resulting in loss. If you are using a digital platemaking, usually small dots can be duplicated on the plate, but these small dots may not be printed out on the substrate, because the coverage of the dots is too small, so ink transfer is not easy, However, using Digital platemaking technology has made this problem reduced a lot.


  • Dot Gain & Bridging - printing issue of dot gain
    Dot Gain & Bridging

    The printing defect of dot gain is with symptoms of increasing dot size from the engraved image to the physical print. The causes might be the printing pressure too high, printing plate too thick or swollen, volume of the Anilox roller too high or cell count is too low.


  • Keeping Color Consistency
    Keeping Color Consistency

    Why the same artwork printed in different device and different substrates would have the color deviation? Why the same artwork printed even if by the same machine, it might also have the color deviation? Or how to produce the same colors on varying substrates, such as coated papers, uncoated paper, craft paper, vinyl and clear films from different supplier, …etc.? Maintaining consistency can be a difficult and often frustrating challenge. There are many factors that can affect color. Most traditional printing device which system is designed with many ink fountain rollers. That after prolonged contact, friction, pressure, and solvents, the ink roller is deformed, hardened, cracked, and swollen caused the ink transferred to the plate will not be stable and even. Base on this kind of ink transfer method, if it required a thicker transfer ink to the substrate, the color is extremely difficult to maintain at this time.



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