| 摘要 |
PURPOSE:To output printing data outputted from plural host computers to respective host computers by providing a host identification means for interpreting the command system of respective printing information sent from plural host computers and identification the destination to be sent of the printing information. CONSTITUTION:The host computers 1-4 send their printing information to an I/O expending device 5 through data buses 1a-4a. The I/O expanding device 5 interpretes the printing information sent from respective host computers 1-4, identifies the destination to be sent of the printing information and converts the command system of the sent printing information to that of a page printer 6 to be an image output means. The page printer 6 has plural printing output parts 7 and discharges printed output to a paper discharging bottle 7a in the printing output part 7 specified in accordance with the host discriminating information.
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