找个麻将群1. long-term printing of wax paper is likely to cause needle breakage, because the paraffin wax on the wax paper will chemically react with the rubber on the word roll, thereby deforming the rubber. at the same time, the paraffin wax enters the pinhole of the printing needle guide plate, so that the elastic force of the printing needle return spring is reduced, and the printing needle cannot be retracted in time to cause the broken needle, so try not to print the wax paper. if the wax paper is to be printed, the protective paper and the protective paper should be remove the ribbon and place a thin sheet of moderately sized paper on the stencil. adjust the paper thickness. after printing, the rubber roller should be washed with anhydrous alcohol in time to ensure that the roller is smooth.
2. when printing, artificially turning the word roll is also a cause of the printer breaking the needle. it is very dangerous to artificially turn the word roll, it is easy to cause broken needles, and often multiple needles are broken together. therefore, it should be avoided to artificially rotate the word roll when printing. if you must turn the word roll to adjust the print word and line spacing, make the printer offline before making adjustments before printing. do not plug and unplug the cable and manually move the print head.
3. an unexpected situation in which a sudden power failure occurs during printing may also cause a broken needle. because the power is suddenly turned off, the print pin cannot be retracted in time. to ensure continuous power supply, it is best to configure the ups for the printer.
找个麻将群4. a large number of tabs used to print forms can also cause broken needles. this is because the one or several needles corresponding to the horizontal line of the table are used, which makes it easy for the print pin to return to the spring fatigue, resulting in poor elasticity. the long-term operation will cause the needle to break. therefore, the method of changing the horizontal line is often changed during printing. to reduce the load on the horizontal line print pin, try not to print the form continuously for a long time.
5. the quality of the ribbon cassette and ribbon and the installation of the ribbon will also affect the life of the print needle. because the cover of the inferior ribbon is not tightly coupled to the case during printing, the ribbon is slackened. moreover, if the quality of the ribbon used is poor, the resistance of the print head will increase, which will cause needle breakage. therefore, high-quality ribbon cassettes and ribbons should be used, and strict inspection should be carried out before use. high-quality ribbons there are no obvious seams on the belt base.