Bar code printer printer head breakage situation analysis _ printing devices

Bar code printer print head is one of the most important part of the bar code printer components, belong to the consumable, average life expectancy of a year or so, Depending on the frequency of the print) 。 Common barcode printers print head 1 mm length with eight or 12 heating element, the width of the inside of the heating element is very small. Will seriously affect the play after the print head is broken needle bar code scanning effect, after the print head is broken needle to timely replacement. Whether the print head bolt, you will find that the label paper printout from top to bottom has a straight, fixed line blank, if label paper appear a strip blank line above the print head cut off. Generally the print head bolt is unable to repair, can only replace the print head. The causes of print breakage are commonly: 1, the dust on the surface of the label paper; 2, poor label paper or carbon surface uneven; 3, often use inferior label paper or carbon belt need high temperature, the print head to print clearly, and high temperature is often easy to cause print head bolt and shorten the service life of the print head; 4, fell to the ground label paper, dusty and back roll back already use; 5, the use of carbon belt width should be than label paper slightly wide, because the edge of the label paper is very sharp will cut the print head, so don't use than to save carbon belt and the size of the label paper narrow; 6, bar code printers, the print head at the bottom of the rubber roller is not clean, there are many prominent impurity the wear and tear on the print head. Normally the above problems can lead to damage of the print head, so it is important to note that when using as the print head is broken and cannot be printed label, and the replacement of a print head be hundreds to thousands of; 7, electrostatic breakdown the print head will only lead to the print head is broken needle.