| 摘要 |
PROBLEM TO BE SOLVED: To enable sorting for every material used in a printing medium cartridge. SOLUTION: Spools 6 and 7 with ink ribbons 7 wound are rotatably stored inside a cartridge body 4 constituted by uniting a lower shell 2 and an upper shell 3 in this printing medium cartridge 1. Both shells are coupled by fitting in a guide groove 16 formed to the lower shell and a guide element 24 formed to the upper shell with each other.
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