The tension of the ribbon is too large, the suture line is broken, or the hammer is broken, causing the ribbon to break. In the former case, the broken part can be cut off and re-stitched. In the latter case, just replace the ribbon.
First check whether the color belt motion sensing signal cable is damaged, if broken, please replace the signal cable; Check again whether the ribbon motion sensing signal cable at J6 socket on the interlocking conversion board is damaged or not in good contact, please replace or insert the signal cable
The edge of the ribbon strip, fluff is easy to wrap around the ribbon wheel, resulting in the ribbon wheel is stuck, the ribbon can not normally retract the ribbon box. The solution is: FIRST open THE PRINTER cover, OPEN THE ribbon arm and hammer row INTERlocking handle, gently PULL THE ribbon back at the end of the ribbon box, and then close THE ribbon arm and hammer row interlocking handle, turn on the power, the machine will be installed back in the ribbon box after self-test.
This fault is caused by the use of the driving belt for a long time or the character chain friction driving belt. The solution is to adjust the position of the character chain so that it does not rub the driving belt; If it is broken, please replace it
