When using a dot matrix printer, the most common one is the ribbon failure, so let me briefly introduce the common faults and solutions for the barcode printer ribbon.
1) Ribbon breakage - The tension of the ribbon is too large, and the stitch or the hammer is broken to break the ribbon so that the ribbon breaks. In the former case, the fracture department can be cut off and re-stitched; in the latter case, only the ribbon can be replaced.
2) The ribbon is stuck - the edge of the ribbon is unthreaded, and the ribbon pulley is easily entangled after the hair is raised, so that the ribbon pulley is stuck, and the ribbon cannot be normally retracted into the ribbon cartridge. The treatment method is as follows: first open the printer cover, open the ribbon arm and the hammer row interlocking handle, and gently pull the ribbon back at the feeding end of the ribbon cassette, and then the ribbon ribbon arm and the hammer row interlock. The handle, turn on the power, the ribbon will be loaded back into the ribbon cartridge after the machine is self-tested.
3) The ribbon drive wheel drive wear or breakage is caused by the drive belt starting time being too long or the character chain friction drive belt. The treatment method is to adjust the position of the character chain so that it does not rub the drive belt any more; if it has been broken, please replace it.
4) The ribbon activity sensor signal is interrupted to check whether the ribbon activity sensor signal has been damaged. If it breaks, please replace the signal line; then check if the ribbon activity sensing signal line at the J6 socket on the interlock panel is damaged. Or the contact is not good, please replace or plug in the signal line.
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