| 摘要 |
PROBLEM TO BE SOLVED: To downsize a printing device and suppress deterioration in productivity of printed matter.SOLUTION: A control portion 6: sets double-side conveying speed according to a print schedule of a printing portion 3 on the basis of a print condition during double-side printing; performs control for switching operation of a vertically conveying roller 19 between paper feeding/conveying operation by which an unprinted paper P is received at paper feeding/conveying speed to be conveyed to the printing portion 3 and paper refeeding/conveying operation by which the paper P having the front surface thereof printed is received at double-side conveying speed to be conveyed to the printing portion 3; and controls timing for the switching according to the print schedule.SELECTED DRAWING: Figure 1 |
