| 摘要 |
PROBLEM TO BE SOLVED: To provide a large capacity cutform stacker capable of keeping the falling distance of cutform from a paper carrying-out port of a printer within a specified range, stacking cutform sequentially and detecting full paper state of the cutform stack without complicated operation. SOLUTION: The cutform stacker 10 has a stage 12 arranged vertically movable for loading a stack 54 of paper sheets, a first sensor 26 that detects the upper end position of the stack 54 and a second sensor 28, arranged below the first sensor 26, that detects the upper end position of the stack 54. To keep the falling distance of paper within a specified range, the stacker 10 is so structured that in the case that the first sensor 26 detects the upper end position of the stack 54, the stage 12 is drive-controlled to descend until the second sensor 28 detects the upper end position of the stack 54. The full stack sensor 30 is arranged to detect the full paper state of the above stack 54.
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