| 摘要 |
PCT No. PCT/JP92/00957 Sec. 371 Date Mar. 26, 1993 Sec. 102(e) Date Mar. 26, 1993 PCT Filed Jul. 29, 1992 PCT Pub. No. WO93/02954 PCT Pub. Date Feb. 18, 1993.A paper roll support apparatus comprises a main paper roll support (12, 13), a paper roll feed element (22) for unrolling a main paper roll (10), a spare paper roll support (42, 43, 47, 48) for supporting a spare paper roll (11) and located behind the main paper roll support (12, 13), a residual sensor (39, 41) for detecting a residual of the paper roll, and a spare paper roll setter (43, 47, 48, 52) controlled by the residual sensor (39, 41).
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