Needle type printer ribbon fault

1, the ribbon fracture
Tensile strength of the ribbon is too big, snap sutures or hammer smashing the ribbon ribbon fracture cause. Former broken part can be cut and sewn back; The latter case as long as change the ribbon.
2, the ribbon was stuck
The edge of the ribbon easily entangled epson printer ribbon  ound after take off a silk, burr, led to the card and ribbon round the ribbon not retract properly foil box. The solution is: first, open the printer cover, transfer ribbon arm interlock with hammer handle to open, the ribbon on the ribbon box to send belt end back gently, and then close the ribbon jib to interlock with hammer handle, open the power supply, machine ribbon will comes back after self-checking foil box.
3, damage of hall effect
Ribbon cassette, frequently hall effector squeezed continuously, causing the damage fracture. This kind of failure can only replace the ribbon derrick assembly or use the compatible olivetti printer ribbon motion sensor replacement.
4, the active wheel drive of ribbon belt wear or fracture
This failure is due to the driving belt use time is too long or character chain caused by friction drive belt. The solution is to adjust the position of the character chain to make it no longer friction driving belt; Has been broken, please replace.
5, ribbon movement sensing signal is interrupted
First check to see if the ribbon movement sensing signal lines has been damaged, if broken, please replace signal lines; To check the interlock switch board J6 socket in the ribbon movement sensing signal whether damaged or contact is not good, please replace or good signal lines.