In fact, to do it yourself is not too fujitsu printer ribbon difficult to replace the print ribbon, but different types of dot matrix printers, the structure of their ribbon rack are different, but fortunately they are similar ribbons operating principle, we are now LQ1600 commonly used as an example: First, open the printer cover, you'll see a clip shaped like a black box (usually black), we call it the print frame, it is placed in the middle empty part is the print head. Remove the print frame, when attention apart from the print head near the end of the line to pull up, the print frame can easily unloaded. Then you can open the print frame, because the frame of the structure of the printer to print different models are different, it's the ribbon around the law is also a little bit different, so you have to observe the primary zone around the law, or the ribbon is likely Unable to normal rotation and cause printing failure. Note that print frame two gears to be sandwiched ribbon, star printer ribbon and should be parallel with them, or will lead to the occurrence of the ribbon with the rotation of the gear shift, and finally jammed the gear can not be rotated. After the ribbon installed, the print rack-mounted back in place, the program can replace the ribbon finished.