in the top 40 and bottom 42 of the frame 6 holes 76 78 are formed in the top 40 and bottom 42 of the frame 6 for receipt of the ends of take up hub 16 the lower surface of the carton 8 has a hole 74 shown in fig3 which overlies hole 78 in the bottom 42 of the frame 6 this allows the proper registry of the ends of the take up hub 16 to holes 76 78 when the frame 6 is in the closed assembled configuration shown in fig4 a number of other features of the frame 6 will now be described an arcuate divider 80 extends from the interior surface of the top 40 of the frame 6 and serves two basic functions it keeps the ribbon pancake 10 on the supply hub 12 from unwinding within the frame 6 to prevent interference by any loose ribbon with the proper operation of the cartridge 2 divider 80 also acts to separate the top 40 and the bottom 42 of the frame 6 so that the ribbon pancake 10 does not become pinched within the cartridge 2 a cartridge view slot 82 is formed within the top 40 and extends from hole 70 radially outwardly towards divider 80 the alignment of view slots 82 and 38 allow the typewriter operator to determine the amount of unused ribbon on the supply hub 12 a cut out 84 is formed in the bottom 42.