1. A document OCR implementing device, comprising: a reading part configured to read a document and form a recognition image; an obtaining part configured to perform image processing of the recognition image and obtain a state of the recognition image; a plurality of OCR engines configured to perform a character recognition process of the recognition image; and a designating part configured to designate one or more of the OCR engines by combining the recognition image and the one or more OCR engines, wherein the character recognition process is implemented by using the one or more OCR engines designated by the designating part, the designating part designates the one or more OCR engines corresponding to a process being an object of the recognition image, and a plurality of the one or more OCR engines corresponding to the processes being the objects of the recognition image are designated and the processes are concurrently implemented, wherein upon receipt of a facsimile during the character recognition process of a received document by an OCR engine for English, the OCR implementing device is configured to implement the character recognition process for the facsimile using a different OCR engine, the character recognition process for the facsimile performed concurrently with the character recognition process for the received document.