| 摘要 |
PROBLEM TO BE SOLVED: To automatically perform a normal and quick paper feed even if the kind or size of a printing medium is changed by providing a changing means for changing the paper feed control condition according to the kind and size of the printing medium. SOLUTION: It is judged whether the kind of a printing sheet is a cut paper or an envelop on the basis of the sheet kind parameter of a sheet set command (S800), and in the case of the envelop, 3 is set as the retry frequency exclusive for envelop, 2000 msec is set as the retry waiting time, and 1000 msec is set as the shutter lowering time (S801). In the case of the cut paper, 2 is set as the retry frequency exclusive for cut paper, 1000 msec is set as the retry waiting time, and 2000 msec is set as the shutter lowering time (S802). According to this, the sheet kind is recognized, and the retry frequency, retry waiting time, and shutter lowering time are automatically properly set. |
