Patent ID: 7832318

Claim:
A paper sheet processing device for processing paper sheets while carrying the paper sheets, comprising: a device body, carrier means for carrying the paper sheets one by one, carrier driving means for driving said carrier means, processing device parts, installed in a carrying route formed of said carrier means, for processing the paper sheets, and processing driving means for driving said processing device parts, wherein said processing device parts are installed detachably from said device body, at least one of said processing device parts is a processing device part for performing processing having a content selected as desired, said processing device part comprising: a plurality of individual processing units, each unit performing different kinds of processing, a unit accommodating part installed in the device body and detachably accommodating a processing unit that is selectable from among said plurality of processing units, the processing device part being configured to interlock a processing unit with the processing driving means when the unit accommodating part accommodates the processing unit, at least one of the plurality of processing units being a processing unit of carrier means for carrying the paper sheets, the device body being provided with processing unit detecting means for detecting the kind of processing of the processing units accommodated in the unit accommodating part of the processing device part.