| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a user-friendly printer which reduces a load on a host computer. <P>SOLUTION: Reception data is analyzed at the reception of the data from a host device, so that it can be determined whether or not the reception data is real-time control commands. When they are the real-time control commands, predetermined processing is performed. When they are not the real-time control commands, the reception data is stored in a reception buffer, and read out from the reception buffer in order of reception and processed. The real-time control commands include a plurality of kinds commands which demand the transmission of a printer status, that of an off-line factor status, that of an error factor status, that of a paper status, a return from an error, etc., respectively. <P>COPYRIGHT: (C)2008,JPO&INPIT |
