operation of ribbon winding device 6 which intermittently shifts ribbon 9 back spacing key 36 which can shift back platen 11 on the carriage to a misprinted position and print correction key 37 a prepare shaft 38 is horizontally installed on the machine frame to the lower side of the area where correction ribbon 9 extends a pivotally installed band plate 39 is held parallel to the shaft 38 by arms 40 and 41 depending from both sides of the plate 39 ribbon holder 43 is pivotally attached to the free end of an arm 40 and through hole 42 occurs in the other arm 41 see fig2 through which extends the other end of rod lever 45 which is pivotly supported to a part 44 of the band plate 39 rod lever 45 extends through said through hole 42 and guide channel 47 prepared in plate 46 which is projecting from the machine frame and connected to the other end of the connecting lever 48 connected to the free end of the said universal ribbon lever 2 misprint correction key 37 is installed to one end of lever 49 which is pivotly attached to the machine frame by pivot 49 39 as shown in fig1 and fig1 the other end of the lever 49 is connected to arm 53 which is a part of swing piece 56 pivotly supported by shaft 51 installed separately to the machine frame through link 50 see fig2 the swing piece 56.