Use different types of label printers according to your actual situation. Due to the different printing principles and printing methods of different types of labeling machines, the printing quality problems often encountered by these labeling machines are also different. To this end, the common printing quality problems of different types of labeling machines encountered in the work in recent years are compiled into a table for reference by relevant personnel in the label printing industry.
Semi-Rotary Round Pressing-Reciprocating Paper Type Label Printing Machine
This type of printing machine is represented by Japan's Lintec LP-300. There are also manufacturers of similar equipment; Japan's Yanqi Company, Taiwan's Wanqi Company, etc. The advantage of this type of equipment is that labels within a certain size range can be printed on the same cylinder without having to replace the cylinder. The disadvantage is that the machine itself does not have a web correction system and random tension control, so the printing positioning accuracy depends entirely on the cutting accuracy of the printed material. The following table shows frequently occurring problems, causes and solutions.
Circular Flattening-Intermittent Feeding Type Label Printing Machine
The round flat labeling machine is represented by the B-100 series labeling machine of the original Japanese FSK company, the domestic equipment is the LYBQ4230 labeling machine produced by Taihang Printing Factory, and there are a small amount of similar equipment in Taiwan and South Korea. The advantage of this model is that the trial printing range of printed materials is wide, which can be used to print dots and line text, which is suitable for large-area field printing. The disadvantage is that the speed is slow. Due to the transmission relationship, the overprint accuracy is low, so it is not suitable for high-end label printing.
Flat Press-Intermittent Feeding Type Label Printing Machine
There are many types of flat pressing (oblique pressing) labeling machines, mainly from Japan, Taiwan, South Korea, etc., and the rest are domestically produced similar equipment. The advantages of this model are: fast speed and high efficiency, suitable for small label production, especially for VIP label production. Suitable for general dot, line and text printing. The disadvantage is that it is not suitable for large-area solid printing, and uneven ink color will occur during solid printing. Since the flattening labeling machine has the same paper feeding principle as the rounding labeling machine, the problems 1, 4, and 5 that appear on the rounding labeling machine also appear on the flattening labeling machine. The following is only a list of the typical problems of the flattening and labeling machine.
Round pressure round-continuous paper feeding rotary label printing machine
The advanced labeling equipment is represented by Ko-pack, Sanky in Japan and Labelman in Taiwan. The advantages of this model are: suitable for various types of label printing, especially for high-end label printing. The disadvantage is that the label cylinders and die-cutting plate rollers of labels with different specifications need to be replaced, which results in large customer investment, long printing adjustment and long preparation time.
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