| 摘要 |
<p>PURPOSE:To omit the labor of the searching work of a trouble place when delay is generated in the processing speed of a printer. CONSTITUTION:In the control of a printer performing printing by one line on the basis of the printing data received from a host device, when the printing data corresponding to one line is received from the host device, it is judged whether the previously received printing data is during printing (S6) or not and, in the case of printing, number-of-time data A of the presence of printing waiting and line data receiving number-of-time data C are renewed (S11, S12) and, in the case of non-printing, number-of-time data B of the absence of printing waiting and the line data receiving number-of-time data C are renewed (S7, S8).</p> |
