| 摘要 |
PROBLEM TO BE SOLVED: To prevent the sudden occurrence of abnormality when using a device by performing replacing work when the device is in an unoperated state by precommunicating the carrier belt replacing timing to an operator. SOLUTION: Paper sheets 0 are delivered from a hopper 11, and are carried by a carrier belt 31, and information on the paper sheets is recognized by a pattern recognizing device 41, and the paper sheets are introduced to a stacker 52 or 53 by a switching gate 62 or 63 after being detected by a sensor 22 or 23 on the basis of a recognizing result. A control part 91 determines a count value (or a count value until the paper sheets arrive at the sensor 23 after arriving at the sensor 22) until the paper sheets arrive at the sensor 22 after arriving at a sensor 21 by using an encoder 71 and an encoder pulse counter 73, and stores the count value in a memory, and determines a difference between the counter value and a counter value being a standard, and displays the belt replacing effect on a guidance image screen when this difference is larger than a limit slip quantity.
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