| 摘要 |
<P>PROBLEM TO BE SOLVED: To simply improve a printing speed of a draft mode by a change of firmware of a printer without performing addition or change of commands of an existing device driver in an image forming apparatus such as an inkjet printer. <P>SOLUTION: When starting receiving of a printing data stream (S1), the inkjet printer stores the printing data stream one by one in a data buffer until it receives a printing setting information notifying command (S2). When receiving the printing setting information notifying command (YES in S3), the inkjet printer changes a paper feeding speed and a paper discharge speed on the basis of setting information on a printing resolution included in the printing setting information notifying command (S4). After changing of setting of the speeds, the inkjet printer sequentially executes commands in the printing data stream stored in the data buffer in the receiving order from the beginning (S5). Thus, the printing speed of the draft mode is simply improved, enabling printing processing to be carried out by the paper feeding speed and paper discharge speed conformed to setting of the printing resolution at all times. <P>COPYRIGHT: (C)2008,JPO&INPIT |
